{"title":"DIY Hyper Heat","description":"\u003cp\u003e\u003cspan\u003eMRCOOL DIY Hyper Heat 5th Generation mini split systems are built for real winters, delivering reliable heating down to -22°F with true DIY installation. This collection includes 12K and 18K single-zone Hyper Heat systems, wall-mount bundles, and ceiling cassette options—perfect for garages, bonus rooms, bedrooms, offices, shops, cabins, and rentals. With pre-charged R-454B Quick Connect® line sets, smart WiFi control, and Gold Fin® corrosion protection, these systems offer contractor-grade performance without the installer cost.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"mrcool-diyhh-12-hp-c-230d25-o-12k-hyper-heat-diy-condenser","title":"MRCOOL® DIY® 5th Gen - R454B - 12K Hyper Heat BTU 230v Condenser w\/ 25ft Install Kit","description":"\u003cp\u003e\u003cstrong\u003eProduct Resource\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eIntroducing the New 2025 \u003c\/strong\u003e The \u003cstrong\u003eMRCOOL DIYHH-12-HP-C-230D25-O\u003c\/strong\u003e is a next-generation 5th Gen Hyper Heat DIY condenser designed to deliver \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e of high-efficiency heating and cooling in spaces up to \u003cstrong\u003e500 sq\u003c\/strong\u003e. ft. Built for true cold-weather performance, this \u003cstrong\u003eHyper Heat\u003c\/strong\u003e mini split maintains reliable output down to\u003cstrong\u003e -22°F\u003c\/strong\u003e and uses inverter technology for quiet, steady comfort instead of loud single-stage cycling.\u003c\/p\u003e\n\u003cp\u003ePowered by environmentally friendly \u003cstrong\u003eR-454B \u003c\/strong\u003erefrigerant, the \u003cstrong\u003eDIYHH-12 \u003c\/strong\u003econdenser increases thermal efficiency and reduces greenhouse impact compared to older R-410A systems. Installation is simple thanks to the 25-foot pre-charged \u003cstrong\u003eQuick Connect®\u003c\/strong\u003e line set, which arrives sealed, factory-vacuumed, and filled—no gauges, pumps, nitrogen, or HVAC licensing required.\u003c\/p\u003e\n\u003cp\u003eWhether paired with the DIY wall-mounted air handler or the \u003cstrong\u003eOuttaSight®\u003c\/strong\u003e ceiling cassette, the system includes full smart control integration through the\u003cstrong\u003e MRCOOL\u003c\/strong\u003e \u003cstrong\u003eSmartHVAC \u003c\/strong\u003eapp, \u003cstrong\u003eAmazon Alexa,\u003c\/strong\u003e and \u003cstrong\u003eGoogle Assistant\u003c\/strong\u003e. The DIYPRO®(is with the air handler) cable replaces electrical conduit to protect wiring from weather, pests, and accidental damage. With corrosion-resistant \u003cstrong\u003eGold Fin®\u003c\/strong\u003e construction, this condenser is engineered for long-term durability in both inland and coastal environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBullet Feature List \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHyper Heat performance: Reliable heating down to -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e23.5 SEER2 \u0026amp; 10 HSPF2: Ultra-efficient year-round comfort\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B Refrigerant: Lower GWP, next-generation eco solution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY Quick Connect®: No vacuum pump, nitrogen, or special HVAC tools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGold Fin® Anti-Corrosion: Built for coastal and harsh climates\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmart control: App, Wi-Fi, Alexa, Google Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOuttaSight® cassette compatible: Cleanest ceiling installation style\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSilent rotary inverter compressor: Smooth operation, low noise\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYPRO® cable included: Replaces conduit and protects wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMRCOOL Care Kit program available\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWORKS WITH:\u003c\/strong\u003e\u003cbr\u003e✔ DIY-12-HP-WMAH-230D25-O Wall Mounted Air Handler\u003cbr\u003e✔ DIYCASSETTE12HP-230D25-O OuttaSight® Ceiling Cassette\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003c\/span\u003eDIYHH-12-HP-C-230D25-O   DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003c\/span\u003eDIY25-1438-O   25ft 1\/4 x 3\/8 Line set for DIY 6K, 9K \u0026amp; 12K Indoor - R454B\u003c\/p\u003e\n\u003cp\u003eDesigned for everyday homeowners, rental properties, cabins, garages, bonus rooms, offices, and small commercial spaces, the \u003cstrong\u003eDIYHH-12\u003c\/strong\u003e delivers premium performance at a lower cost. With MRCOOL Care enrollment, users can access a care kit program, backed by the standard \u003cstrong\u003e7-year compressor\u003c\/strong\u003e and \u003cstrong\u003e5-year parts warranty.\u003c\/strong\u003e Experience year-round comfort with a system built for real-world conditions and DIY install confidence.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMRCOOL DIYHH-12\u003c\/strong\u003e \u003cstrong\u003eHyper Heat\u003c\/strong\u003e condenser delivers reliable \u003cstrong\u003e12K \u003c\/strong\u003eHyper Heat performance for year-round comfort. As a \u003cstrong\u003eDIY 5th Gen\u003c\/strong\u003e mini split system, it uses\u003cstrong\u003e R-454B\u003c\/strong\u003e refrigerant for improved efficiency and lower environmental impact. Installation is simple because the pre-charged\u003cstrong\u003e Quick Connect \u003c\/strong\u003eline set comes vacuum-sealed from the factory, making setup fast and clean without special tools. The corrosion-resistant \u003cstrong\u003eGold Fin\u003c\/strong\u003e condenser is ideal for long-term outdoor durability, whether installed inland or in coastal conditions. With full integration through the \u003cstrong\u003eSmartHVAC\u003c\/strong\u003e app, the system offers control through smartphones,\u003cstrong\u003e voice assistants\u003c\/strong\u003e, and built-in scheduling. Rated at\u003cstrong\u003e 23.5 SEER2\u003c\/strong\u003e AC and \u003cstrong\u003e10 HSPF2\u003c\/strong\u003e heat, this single zone mini split is designed for efficient performance in spaces up to \u003cstrong\u003e500 sq ft\u003c\/strong\u003e and can be paired with either a \u003cstrong\u003ewall mount air handler\u003c\/strong\u003e or an \u003cstrong\u003eOuttaSight ceiling cassette\u003c\/strong\u003e. Engineered for harsh climates, it maintains dependable\u003cstrong\u003e -22°F\u003c\/strong\u003e heating so you stay comfortable even during extreme cold weather.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"table\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"seer2-row\"\u003e\n\u003ctd class=\"col-key\" title=\"SEER2\"\u003e\n\u003cp\u003eSEER2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"23.5\"\u003e\n\u003cp\u003e23.5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"eer2-row\"\u003e\n\u003ctd class=\"col-key\" title=\"EER2\"\u003e\n\u003cp\u003eEER2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"12.8\"\u003e\n\u003cp\u003e12.8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hspf2-4-row\"\u003e\n\u003ctd class=\"col-key\" title=\"HSPF2-4\"\u003e\n\u003cp\u003eHSPF2-4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"10\"\u003e\n\u003cp\u003e10\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hspf2-5-row\"\u003e\n\u003ctd class=\"col-key\" title=\"HSPF2-5\"\u003e\n\u003cp\u003eHSPF2-5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"8\"\u003e\n\u003cp\u003e8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cfm-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CFM\"\u003e\n\u003cp\u003eCFM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"1471.5\"\u003e\n\u003cp\u003e1471.5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tonnage-row\"\u003e\n\u003ctd class=\"col-key\" title=\"TONNAGE\"\u003e\n\u003cp\u003eTONNAGE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"1\"\u003e\n\u003cp\u003e1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cooling_capacity_(BTU)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"COOLING CAPACITY (BTU)\"\u003e\n\u003cp\u003eCOOLING CAPACITY (BTU)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"12000\"\u003e\n\u003cp\u003e12000\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"heating_capacity_(BTU)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"HEATING CAPACITY (BTU)\"\u003e\n\u003cp\u003eHEATING CAPACITY (BTU)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"12000\"\u003e\n\u003cp\u003e12000\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"voltage_(V)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"VOLTAGE (V)\"\u003e\n\u003cp\u003eVOLTAGE (V)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"208\/230\"\u003e\n\u003cp\u003e208\/230\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"phase-row\"\u003e\n\u003ctd class=\"col-key\" title=\"PHASE\"\u003e\n\u003cp\u003ePHASE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"1\"\u003e\n\u003cp\u003e1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cycle-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CYCLE\"\u003e\n\u003cp\u003eCYCLE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"60\"\u003e\n\u003cp\u003e60\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"max_fuse_breaker_(a)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MAX FUSE BREAKER (A)\"\u003e\n\u003cp\u003eMAX FUSE BREAKER (A)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"15\"\u003e\n\u003cp\u003e15\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"min_circuit_ampacity_(a)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MIN CIRCUIT AMPACITY (A)\"\u003e\n\u003cp\u003eMIN CIRCUIT AMPACITY (A)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"15\"\u003e\n\u003cp\u003e15\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"color-row\"\u003e\n\u003ctd class=\"col-key\" title=\"COLOR\"\u003e\n\u003cp\u003eCOLOR\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"White\"\u003e\n\u003cp\u003eWhite\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"max_coverage_area-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MAX COVERAGE AREA\"\u003e\n\u003cp\u003eMAX COVERAGE AREA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"500\"\u003e\n\u003cp\u003e500\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"refrigerant_type-row\"\u003e\n\u003ctd class=\"col-key\" title=\"REFRIGERANT TYPE\"\u003e\n\u003cp\u003eREFRIGERANT TYPE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"R-454B\"\u003e\n\u003cp\u003eR-454B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"refrigerant_volume_(oz)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"REFRIGERANT VOLUME (OZ)\"\u003e\n\u003cp\u003eREFRIGERANT VOLUME (OZ)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"32.1\"\u003e\n\u003cp\u003e32.1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"decibel_rating_(dba)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"DECIBEL RATING (DBA)\"\u003e\n\u003cp\u003eDECIBEL RATING (DBA)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"56.5\"\u003e\n\u003cp\u003e56.5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"inverter-row\"\u003e\n\u003ctd class=\"col-key\" title=\"INVERTER\"\u003e\n\u003cp\u003eINVERTER\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"min_ambient_cool_(F)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MIN AMBIENT COOL (F)\"\u003e\n\u003cp\u003eMIN AMBIENT COOL (F)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"-22\"\u003e\n\u003cp\u003e-22\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"min_ambient_heat_(F)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MIN AMBIENT HEAT (F)\"\u003e\n\u003cp\u003eMIN AMBIENT HEAT (F)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"-22\"\u003e\n\u003cp\u003e-22\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"lineset_included-row\"\u003e\n\u003ctd class=\"col-key\" title=\"LINESET INCLUDED\"\u003e\n\u003cp\u003eLINESET INCLUDED\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"line_set_length-row\"\u003e\n\u003ctd class=\"col-key\" title=\"LINE SET LENGTH\"\u003e\n\u003cp\u003eLINE SET LENGTH\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"25ft\"\u003e\n\u003cp\u003e25ft\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"max_lineset_length_(ft)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"MAX LINESET LENGTH (FT)\"\u003e\n\u003cp\u003eMAX LINESET LENGTH (FT)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"75\"\u003e\n\u003cp\u003e75\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"liquid_line_size-row\"\u003e\n\u003ctd class=\"col-key\" title=\"LIQUID LINE SIZE\"\u003e\n\u003cp\u003eLIQUID LINE SIZE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"1\/4\"\u003e\n\u003cp\u003e1\/4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"suction_line_size-row\"\u003e\n\u003ctd class=\"col-key\" title=\"SUCTION LINE SIZE\"\u003e\n\u003cp\u003eSUCTION LINE SIZE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"3\/8\"\u003e\n\u003cp\u003e3\/8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"compressor_motor_type-row\"\u003e\n\u003ctd class=\"col-key\" title=\"COMPRESSOR MOTOR TYPE\"\u003e\n\u003cp\u003eCOMPRESSOR MOTOR TYPE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Rotary\"\u003e\n\u003cp\u003eRotary\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"condenser_fan_motor_rpm-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CONDENSER FAN MOTOR RPM\"\u003e\n\u003cp\u003eCONDENSER FAN MOTOR RPM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"780\/680\/580\"\u003e\n\u003cp\u003e780\/680\/580\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"metering_device-row\"\u003e\n\u003ctd class=\"col-key\" title=\"METERING DEVICE\"\u003e\n\u003cp\u003eMETERING DEVICE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"EEV\"\u003e\n\u003cp\u003eEEV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"energy_star_certified-row\"\u003e\n\u003ctd class=\"col-key\" title=\"ENERGY STAR CERTIFIED\"\u003e\n\u003cp\u003eENERGY STAR CERTIFIED\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ahri_certified-row\"\u003e\n\u003ctd class=\"col-key\" title=\"AHRI CERTIFIED\"\u003e\n\u003cp\u003eAHRI CERTIFIED\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"registered_warranty-row\"\u003e\n\u003ctd class=\"col-key\" title=\"REGISTERED WARRANTY\"\u003e\n\u003cp\u003eREGISTERED WARRANTY\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"7-Years Compressor, 5-Years Parts\"\u003e\n\u003cp\u003e7-Years Compressor, 5-Years Parts\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"base_warranty-row\"\u003e\n\u003ctd class=\"col-key\" title=\"BASE WARRANTY\"\u003e\n\u003cp\u003eBASE WARRANTY\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"5-Years Parts\"\u003e\n\u003cp\u003e5-Years Parts\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"base_parts_warranty-row\"\u003e\n\u003ctd class=\"col-key\" title=\"BASE PARTS WARRANTY\"\u003e\n\u003cp\u003eBASE PARTS WARRANTY\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"5 Years\"\u003e\n\u003cp\u003e5 Years\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"base_compressor_warranty-row\"\u003e\n\u003ctd class=\"col-key\" title=\"BASE COMPRESSOR WARRANTY\"\u003e\n\u003cp\u003eBASE COMPRESSOR WARRANTY\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"7 Years\"\u003e\n\u003cp\u003e7 Years\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"contains_electronics-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CONTAINS ELECTRONICS\"\u003e\n\u003cp\u003eCONTAINS ELECTRONICS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"contains_chemicals-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CONTAINS CHEMICALS\"\u003e\n\u003cp\u003eCONTAINS CHEMICALS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"contains_compressed_gas-row\"\u003e\n\u003ctd class=\"col-key\" title=\"CONTAINS COMPRESSED GAS\"\u003e\n\u003cp\u003eCONTAINS COMPRESSED GAS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"proposition_65_warning-row\"\u003e\n\u003ctd class=\"col-key\" title=\"PROPOSITION 65 WARNING\"\u003e\n\u003cp\u003ePROPOSITION 65 WARNING\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"Yes\"\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"restricted_states-row\"\u003e\n\u003ctd class=\"col-key\" title=\"RESTRICTED STATES\"\u003e\n\u003cp\u003eRESTRICTED STATES\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"GU;PR;VI\"\u003e\n\u003cp\u003eGU;PR;VI\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"net_depth_(in)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"NET DEPTH (IN)\"\u003e\n\u003cp\u003eNET DEPTH (IN)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"12.99\"\u003e\n\u003cp\u003e12.99\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"net_height_(in)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"NET HEIGHT (IN)\"\u003e\n\u003cp\u003eNET HEIGHT (IN)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"21.81\"\u003e\n\u003cp\u003e21.81\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"net_width_(in)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"NET WIDTH (IN)\"\u003e\n\u003cp\u003eNET WIDTH (IN)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"31.69\"\u003e\n\u003cp\u003e31.69\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"net_weight_(lbs)-row\"\u003e\n\u003ctd class=\"col-key\" title=\"NET WEIGHT (LBS)\"\u003e\n\u003cp\u003eNET WEIGHT (LBS)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"col-value\" title=\"72.31\"\u003e\n\u003cp\u003e72.31\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan\u003eAll specifications are preliminary and are subject to change during mass production.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"title__heading h2 font-heading-extra-bold margin0 lh1\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eFrequently Asked Questions \u0026amp; Answers \u003c\/span\u003e\u003c\/h2\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eWhat's the difference between the 5th Gen and 4th Gen?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eThe 5th Gen \u003cstrong\u003eMRCOOL® \u003c\/strong\u003eDIY® Mini Split offers several key upgrades over the 4th Gen, focusing on efficiency, advanced technology, and eco-friendliness.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003eHere’s what’s new with the 5th Gen:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNext-Gen R-454B Refrigerant\u003c\/strong\u003e: A more environmentally friendly refrigerant with lower global warming potential (GWP), compliant with the latest HVAC regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Energy Efficiency\u003c\/strong\u003e: Improved SEER2 ratings for greater energy savings and optimized performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced System Reliability\u003c\/strong\u003e: Upgraded components for better heating and cooling performance.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eCan I install it myself, or do I need a professional?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMRCOOL® \u003c\/strong\u003eDIY system is designed for homeowners and doesn’t require HVAC tools. You can install the indoor and outdoor units yourself using the pre-charged Quick Connect® lines. However, \u003c\/span\u003e\u003cstrong\u003ea licensed electrician is required for the electrical hookup\u003c\/strong\u003e\u003cspan\u003e to ensure safety and code compliance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eDoes it work in cold weather?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. \u003cstrong\u003eMRCOOL® \u003c\/strong\u003e5th Gen systems feature low-ambient heating and can provide reliable heat even when outdoor temperatures drop to around 5°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eHow do I know what BTU size I need for my rooms?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eA general rule of thumb is 20 BTU per square foot of space. Here's a rough guide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6,000 BTU = 100 - 200sq ft\u003c\/li\u003e\n\u003cli\u003e9,000 BTU = 150 - 400sq ft\u003c\/li\u003e\n\u003cli\u003e12,000 BTU = 351- 550 sq ft\u003c\/li\u003e\n\u003cli\u003e18,000 BTU = 501 – 800 sq ft\u003c\/li\u003e\n\u003cli\u003e24,000 BTU = 751 – 1,050 sq ft\u003c\/li\u003e\n\u003cli\u003e36,000 BTU = 1,001 - 1,550 sq ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eSome additional factors may impact performance such as insulation, ceiling height, sun exposure and the number of appliances in the room. For assistance, contact our Product Experts.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\n\u003cspan style=\"color: #2b00ff;\"\u003eDoes it heat as well as cool?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eYes. All 5th Gen models are heat pumps, providing both heating and cooling for year-round comfort.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003eIs it Wi-Fi compatible?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. The \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e SmartHVAC app allows smartphone control and works with Amazon Alexa and Google Assistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"accordion__title font-heading-bold margin0\"\u003e\n\u003cspan style=\"color: #2b00ff;\"\u003eWhat is the warranty?\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e 5th Generation DIY Mini-Split systems offer the following warranty coverage:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Year Compressor Replacement Warranty\u003c\/strong\u003e: This warranty ensures that if the compressor fails within the first seven years, \u003cstrong\u003eMRCOOL® \u003c\/strong\u003ewill provide a replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Parts Warranty\u003c\/strong\u003e: This warranty covers all parts of the system for five years from the date of purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNote:\u003c\/span\u003e \u003cspan style=\"color: #ff2a00;\"\u003eAlways verify system configuration before purchasing. Specifications may change during production. Images may be representative only.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing EEV metering technology, a rotary inverter compressor, 1\/4–3\/8 QuickConnect lines, and 32.1 oz factory pre-charge, the DIYHH-12 maintains stable system pressures while maximizing coil utilization. AHRI Certified and Energy Star rated.\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52736987201809,"sku":"DIYHH-12-HP-C-230D25-O","price":1843.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/942EA469-96C5-4F4B-938E-192B5E6552CF.jpg?v=1764078357"},{"product_id":"mrcool-diyhh-18-hyper-heat-5th-gen-condenser","title":"MRCOOL® 5th Gen 18K BTU Hyper Heat DIY Condenser (R-454B Heats to –22°F QuickConnect) — DIYHH-18-HP-C-230D25-O","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntroducing what’s  New 2025 \u003c\/strong\u003eMRCOOL® DIYHH-18-HP-C-230D25-O — 5th Gen 18K BTU Hyper Heat DIY Condenser (R-454B | Heats to –22°F | QuickConnect)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Description\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing what’s  New 2025 \u003c\/strong\u003eThe \u003cstrong\u003eMRCOOL® DIYHH-18-HP-C-230D25-O\u003c\/strong\u003e is the strongest \u003cstrong\u003e18K BTU Hyper Heat DIY\u003c\/strong\u003e condenser on the market, engineered for powerful year-round comfort and reliable heating down to\u003cstrong\u003e –22°F\u003c\/strong\u003e. With a \u003cstrong\u003efactory-charged R-454B QuickConnect®\u003c\/strong\u003e line set, this system installs without vacuum pumps, gauges, EPA licenses, or refrigerant handling—delivering professional-grade performance with true DIY simplicity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFULL PRODUCT DESCRIPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe 5th Gen DIY Mini Split That Leaves Others Behind\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want the best 18,000 BTU DIY mini split for cold climates, you’re looking at it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMRCOOL DIYHH-18 Hyper Heat condenser\u003c\/strong\u003e is built on MRCOOL’s 5th Generation platform, delivering:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStronger heat output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLower refrigerant environmental impact\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore durable outdoor performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleaner, quieter inverter operation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNo\u003c\/strong\u003e refrigerant handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNo\u003c\/strong\u003e vacuum pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNo\u003c\/strong\u003e licensed HVAC installer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eJust connect, tighten, and turn it on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system is why \u003cstrong\u003eMRCOOL\u003c\/strong\u003e dominates the DIY market.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHyper Heat Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost “DIY mini splits” start dying below 15°F.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis one keeps heating normally at –22°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThat makes it unstoppable in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMidwest winters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTennessee\/Kentucky cold snaps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMountain \u0026amp; northern states\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoastal harsh climates\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo one  will not find this capability on cheap brands or 4th Gen units.\u003c\/p\u003e\n\u003cp\u003e Smarter, Quieter, More Efficient\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 5th Gen inverter controls compressor output to maintain steady living conditions without loud cycling or temperature swings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLower energy bills\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLonger component life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium comfort you can actually feel\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis is the gold standard DIY system for garages, bedrooms, barndominiums, offices, rental units, tiny homes, or any space where ductwork is a nightmare.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eWhat’s Included\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ MRCOOL DIYHH-18-HP-C-230D25-O Hyper Heat Condenser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ 25 ft pre-charged R-454B \u003cstrong\u003eQuickConnect®\u003c\/strong\u003e line set (DIY25-1412)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Installation hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo vacuuming or refrigerant tools required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eCompatible Indoor Units\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDIY-18-HP-WMAH-230D25-O Wall Mount Air Handler\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth connect instantly using \u003cstrong\u003eQuickConnect®\u003c\/strong\u003e sealed fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMaster bedrooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome offices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarages and workshops\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBarndominiums\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTiny homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eADUs and apartments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOld homes with no ductwork\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBonus rooms above garages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew builds where mini splits shine\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf you can operate a drill, you can install this condenser.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e Warranty That Crushes Every Other DIY claimed Brand\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMRCOOL\u003c\/strong\u003e stands behind their 5th Gen systems:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eEligible for the care kit program \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eFeature Highlights\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHyper Heat down to –22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e21.2 SEER2 high efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e11 HSPF2 heating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star® certified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B next-gen refrigerant (way lower GWP than R-410A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25 ft pre-charged QuickConnect® line set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYPRO® cable protects electrical from pests \u0026amp; weather (comes with indoor unit)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGold Fin® anti-corrosion coating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC™ App + Alexa + Google Assistant integration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet outdoor operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto restart, timer, anti-mildew features\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eMRCOOL vs Other DIY Brands \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePioneer, Gree, Mitsubishi, and Amazon clone units require vacuum pumps, gauges, and refrigerant charging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe DIYHH-18 does not.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYou get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFactory-charged lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClosed refrigeration circuit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo EPA license\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo chemical exposure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo installer cost\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eInstall in 2–4 hours and enjoy professional performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e \u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBTU:\u003c\/strong\u003e 18,000\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCoverage:\u003c\/strong\u003e 500–800 sq ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 208\/230V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMAX FUSE BREAKER (A)  \u003c\/strong\u003e25 double pole \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMIN CIRCUIT AMPACITY (A)\u003c\/strong\u003e 19 double pole \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSEER2:\u003c\/strong\u003e 21.2\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHSPF2:\u003c\/strong\u003e 11 \/ 8.5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCompressor:\u003c\/strong\u003e Rotary Inverter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R-454B\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNoise:\u003c\/strong\u003e 58 dBA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLine Set Included:\u003c\/strong\u003e 25 ft QuickConnect®\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Lineset:\u003c\/strong\u003e 75 ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLiquid Line:\u003c\/strong\u003e 1\/4”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSuction Line:\u003c\/strong\u003e 1\/2”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMetering:\u003c\/strong\u003e EEV\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Star:\u003c\/strong\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAHRI Certified:\u003c\/strong\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 99.87 lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eW: 35.04” • H: 26.50” • D: 13.46”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eFAQ asked questions \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it really work in cold weather?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Hyper Heat models deliver full-capacity heating down to –22°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQuickConnect® line sets arrive pre-charged, sealed, and vacuumed from the factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo gauges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo refrigerant handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo HVAC license.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYou only need a licensed electrician to connect 230V safely.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWhat size space does 18K BTU cover?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e500–800 sq ft, depending on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCeiling height\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSun exposure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInsulation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDoor \u0026amp; window count\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eIs it Wi-Fi compatible?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC™ App\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlexa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGoogle Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncluded remote\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Buy Direct \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe are the USA’s #1 trusted MRCOOL dealer.\u003cspan\u003eEvery unit ships factory sealed, brand new, full manufacturer warranty, and eligible for extended protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBetter pricing: No middleman markup. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFaster support: Talk to real MRCOOL experts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConfidence: Buy direct — stay protected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eNotes \u0026amp; Disclaimers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecifications may update during production.\u003cspan\u003eImages may reflect representative components.\u003c\/span\u003e\u003cspan\u003eVerify indoor unit configuration before ordering\u003c\/span\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52785524998417,"sku":"DIYHH-18-HP-C-230D25-O","price":2242.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/942EA469-96C5-4F4B-938E-192B5E6552CF.jpg?v=1764078357"},{"product_id":"diy-18-hyper-heat-pump","title":"MRCOOL® Hyper Heat 18K Single Zone DIY Mini Split Bundle (230V) — MRD-DIYHH18-WM18-25","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e  \u003c\/p\u003e\n\u003cp\u003eModel: MRD-DIYHH18-WM18-25\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing what’s  New 2025 \u003c\/strong\u003eThis is the first official MRCOOL 5th Gen DIY Hyper Heat 18K Mini split system available direct to consumer, engineered specifically for installs down to -22°F.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL DIYHH-18 Hyper Heat 18K\u003c\/strong\u003e bundle combines the \u003cstrong\u003eDIYHH-18\u003c\/strong\u003e condenser and the \u003cstrong\u003eDIY-18-HP-WMAH-230D25-O\u003c\/strong\u003e wall mount air handler into a complete single zone system designed specifically for true homeowner installation. HVAC buyers search for diyhh-18, diy hyper heat 18k, mr cool  18k outside unit, and 5th gen diy condenser because this system is the first DIY Hyper Heat solution capable of maintaining real -22°F heating performance without professional tools, gauges, vacuum pumps, or refrigerant handling. This bundle delivers genuine contractor-grade results with factory-sealed QuickConnect® R-454B line sets, inverter technology, and seamless smart control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e WORKS WITH:\u003cbr\u003e\u003c\/strong\u003e✔ DIY-18-HP-WMAH-230D25-O Wall Mount Air Handler\u003cbr\u003e✔ DIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eLong Description\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eThe MRCOOL DIYHH-18 Hyper Heat 18K bundle delivers powerful year-round comfort with true DIY installation. This 5th Generation system includes the DIYHH-18 condenser and the DIY-18-HP-WMAH-230D25-O wall mount air handler, providing a complete single zone solution that heats and cools spaces up to 800 sq. ft. Built specifically for harsh climate performance, the Hyper Heat inverter maintains dependable output down to -22°F and prevents the temperature swings associated with conventional single-stage systems.\u003c\/p\u003e\n\u003cp\u003eUnlike standard mini split packages, this system uses factory-sealed QuickConnect® technology. The 25 ft line set arrives vacuumed, fully charged with R-454B refrigerant, and completely sealed—no vacuum pump, nitrogen, refrigerant gauges, recovery equipment, licensed installers, or EPA certification required. The included DIYPRO® cable eliminates the need for electrical conduit and protects against moisture, animals, yard equipment, and environmental wear.\u003c\/p\u003e\n\u003cp\u003eBoth the condenser and air handler are engineered for long-term performance. The Gold Fin® anti-corrosion coating resists coastal salt exposure and seasonal moisture. The inverter compressor quietly modulates output for comfort and efficiency, while the electronic expansion valve ensures stability and fast response. Users can control the system through the SmartHVAC™ app, voice assistants like Alexa or Google Assistant, or the included wireless remote.\u003c\/p\u003e\n\u003cp\u003eWith MRCOOL Care enrollment, customers can access a limited lifetime unit replacement program. Standard coverage includes a 7-year compressor warranty and 5-year parts warranty when properly registered. The DIYHH-18 bundle is ideal for bedrooms, living areas, basements, garages, workshops, home offices, and rental properties where professional installation is costly or impractical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINCLUDES IN THIS COMPLETE DIY BUNDLE:\u003c\/strong\u003e\u003cbr\u003e✔ DIYHH-18-HP-C-230D25-O – Hyper Heat 18K Outdoor Condenser (R-454B)\u003cbr\u003e✔ DIY-18-HP-WMAH-230D25-O – 18K Wall-Mounted Air Handler\u003cbr\u003e✔ DIY25-1412 – 25ft Pre-Charged QuickConnect® Line Set\u003cbr\u003e✔ DIYPRO® Communication Cable\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBULLET FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHyper Heat heating down to -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e21.2 SEER2 cooling \/ 11 HSPF2 heating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B low-GWP refrigerant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25 ft factory-charged QuickConnect® line set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYPRO® cable – no conduit required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC™ app, Alexa \u0026amp; Google Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star \u0026amp; AHRI Certified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGold Fin® outdoor corrosion protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet inverter rotary compressor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEligible for MRCOOL Care kit program \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCondenser Specifications —\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDIYHH-18-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand: MRCOOL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSeries DIY Hyper Heat (5th Gen)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 840255588096\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUnit Type:\u003c\/strong\u003e Mini-Split Heat Pump\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Outdoor Condenser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWorks With:\u003c\/strong\u003e DIYCASSETTE18HP-230D25-O, DIY-18-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTonnage: 1.5 Ton\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCooling\/Heating BTU: 18,000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSEER2: 21.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEER2: 12.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 11\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-5: 8.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCFM: 1765.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Cool: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Heat: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInverter: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCycle: 60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 25A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Circuit Ampacity: 19A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigeration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant: R-454B\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVolume: 52.21 oz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLine Set Included: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLine Set Length: 25 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Line Set Length: 75 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLiquid Line: 1\/4 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuction Line: 1\/2 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMetering Device: EEV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompressor Type: Rotary\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNoise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCondenser dB: 58 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAHRI Certified: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProp 65: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor (registered)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts (registered)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNet: 35.04” W × 26.5” H × 13.46” D — 99.87 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross: 40.55” W × 29.53” H × 18.11” D — 120.15 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWall Mount Air Handler —\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDIY-18-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand: MRCOOL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e DIY 5th Gen Single-Zone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 840255587044\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMount\u003c\/strong\u003e Type: Wall\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Coverage:\u003c\/strong\u003e 800 sq. ft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTonnage: 1.5 Ton\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCycle: 60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 15\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComfort + Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSpeed Settings: 5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet Mode: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFan-Only: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto Cool: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOscillation: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFilter: Reusable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Controls\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWi-Fi Compatible: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApp: MRCOOL SmartHVAC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eiOS + Android Support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlexa + Google Assistant Compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNoise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLow: 19 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh: 54.5 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAHRI Certified: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUL \/ ETL Listed: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBase Parts: 5 Years\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBase Compressor: 7 Years\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNet: 42.52” W × 13.19” H × 8.9” D — 35.49 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross: 46.73” W × 14.29” H × 17.68” D — 49.6 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWhat Makes 5th Gen Better than 4th Gen?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eR-454B Low-GWP Refrigerant — future-proof vs older R-410A.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher SEER2 Efficiency — lower energy bills \u0026amp; better comfort.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved Cold-Climate Heating — true heat performance down to -22°F.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded Reliability \u0026amp; Components — fewer service issues.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCold-Climate Beast\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike “budget” mini splits that fail in freezing temps, MRCOOL Hyper Heat maintains strong output even in sub-zero weather.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e Bedrooms • Offices • Old homes • Barndominiums • Garages • Tiny homes • Apartments • New builds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes — the DIY system is designed for homeowners and includes Quick Connect® pre-charged line sets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNo HVAC gauges, pumps, or refrigerant handling required\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e A licensed electrician is recommended for electrical hookup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it Wi-Fi compatible?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Control your system with the MRCOOL SmartHVAC app, Amazon Alexa, or Google Assistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it heat and cool?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAbsolutely. It’s a true heat pump system — full heating AND cooling year-round.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat BTU size do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral guideline (sq. ft):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e6k = 100–200\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e9k = 150–400\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12k = 351–550\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18k = 501–800\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e24k = 751–1,050\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e36k = 1,001–1,550\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eInsulation, ceiling height, sun exposure, and appliances can affect sizing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor Replacement Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eEligible for the care kit program                                                                                                                                                                                        \u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e                                                                                               \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBuy From The Source\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe are \u003cstrong\u003eMRCOOL Direct\u003c\/strong\u003e — America’s #1 Most Trusted \u003cstrong\u003eMRCOOL\u003c\/strong\u003e Dealer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBetter pricing • faster shipping • direct manufacturer expertise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📞 \u003cstrong\u003eNeed Help?\u003c\/strong\u003e 615-553-8118\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCall or message our Product Experts anytime.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe’ll match you with the right unit for your home or business.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52789039857937,"sku":"MRD-DIYHH18-WM18-25","price":3173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/92873139-F6E1-445E-A7AB-B80432C559BC.png?v=1764077420"},{"product_id":"mrcool-diyhh-18k-hyper-heat-diy-bundle","title":"MRCOOL® Hyper Heat 18K Mini Split Complete DIY Bundle – 5th Gen (230V) — DIYHH-18","description":"\u003cp\u003e\u003cstrong\u003ePRODUCT DESCRIPTION \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMRCOOL DIYHH-18 Hyper Heat 18K Complete DIY Mini Split Bundle (230V)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eModel bundle:\u003c\/strong\u003e MRD-DIYHH18-WM18-25\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntroducing New 2025 \u003c\/strong\u003ethe newest generation of true cold-climate \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e comfort—the \u003cstrong\u003eDIYHH-18 Hyper Heat 18K Mini Split.\u003c\/strong\u003e This \u003cstrong\u003e5th Gen\u003c\/strong\u003e system delivers powerful year-round performance, pushing full heating output down to \u003cstrong\u003e-22°F,\u003c\/strong\u003e something standard mini-splits simply cannot achieve. Designed specifically for homeowners and installers who want a reliable \u003cstrong\u003eDIY 18K Hyper Heat condenser\u003c\/strong\u003e, this bundle uses the \u003cstrong\u003eNo-Vac® QuickConnect®\u003c\/strong\u003e pre-charged line set, eliminating the need for vacuum pumps, refrigerant handling, EPA certification, or special tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis \u003cstrong\u003e18,000 BTU\u003c\/strong\u003e single-zone system \u003cstrong\u003eefficiently\u003c\/strong\u003e heats and cools up to \u003cstrong\u003e800 sq ft\u003c\/strong\u003e, making it ideal for garages, bonus rooms, apartments, basements, shops, master bedrooms, offices, cabins, or outbuildings. The advanced Hyper Heat inverter technology dynamically adjusts compressor RPM to maintain stable performance in extreme weather instead of cycling like a traditional heat pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included \u003cstrong\u003e25 ft QuickConnect®\u003c\/strong\u003e line set is factory-sealed and \u003cstrong\u003epre-charged\u003c\/strong\u003e with \u003cstrong\u003eR-454B\u003c\/strong\u003e, delivering future-ready refrigerant technology with excellent low-temp capacity. Combined with the \u003cstrong\u003eSmartHVAC\u003c\/strong\u003e® App, native Wi-Fi, and full voice control through \u003cstrong\u003eAmazon Alexa®\u003c\/strong\u003e and \u003cstrong\u003eGoogle Assistant®\u003c\/strong\u003e, you can control your system from anywhere. Gold Fin® corrosion protection ensures durability in coastal and humid regions, while \u003cstrong\u003eultra-quiet\u003c\/strong\u003e operation keeps noise under \u003cstrong\u003e58 dBA.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith premium features like \u003cstrong\u003eAuto mode\u003c\/strong\u003e, Dry mode, Sleep mode, Timer, and Auto-Restart after power loss, the \u003cstrong\u003eMRCOOL DIYHH-18 Hyper Heat\u003c\/strong\u003e complete bundle is a true plug-and-play system designed for long-term performance. Every kit includes superior warranty support—\u003cstrong\u003e7-year compressor\u003c\/strong\u003e + \u003cstrong\u003e5-year parts\u003c\/strong\u003e, Eligible for the care kit program               \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Hyper Heat vs Standard Mini Splits (Real-world Benefit)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStandard DIY mini splits start to lose heating output below ~25°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MRCOOL DIYHH-18 Hyper Heat continues producing usable BTUs down to -22°F, thanks to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual-stage inverter logic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B refrigerant performance curve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptimized EEV metering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCold-climate coil design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e If you live where winter hits freezing… Hyper Heat is the correct choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINCLUDES IN THIS COMPLETE DIY BUNDLE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✔ DIYHH-18-HP-C-230D25-O – Hyper Heat 18K Outdoor Condenser (R-454B)\u003cbr\u003e✔\u003cspan\u003eDIYCASSETTE18HP-230D25-O \u003c\/span\u003e–\u003cspan\u003eMRCOOL® DIY® Series 5th Gen OuttaSight® 18K BTU 230V One-Way Ceiling Cassette\u003c\/span\u003e\u003cbr\u003e✔ DIY25-1412 – 25ft Pre-Charged QuickConnect® Line Set\u003cbr\u003e✔ DIYPRO® Communication Cable\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWHY CHOOSE THIS BUNDLE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTrue Hyper Heat performance to -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReal DIY installation — no vacuuming, no gauges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFactory-sealed Quick Connect system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConsistent room temperature (no rapid on\/off cycling)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLower energy bills vs space heaters or window ACs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet operation with premium inverter control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuture-proof R-454B refrigerant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium build for garages, shops, offices, cabins, bonus rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis isn’t an entry-level mini split — it is the tool you use when you want to control the cold, not survive it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003cstrong\u003eWORKS WITH:\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003e✔ DIY-18-HP-WMAH-230D25-O Wall Mount Air Handler\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✔ DIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eIDEAL USES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMaster bedrooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarage conversions or bonus rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBasements \u0026amp; attics\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome gyms \u0026amp; studios\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOffices or retail suites\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBarndominiums\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePole barns \u0026amp; detached buildings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCabins \u0026amp; mountain homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAirbnb \u0026amp; rental units where comfort = reviews\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf you heat with space heaters, oil, or propane — Hyper Heat will save you money the first winter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e (CONDENSER – DIYHH-18-HP-C-230D25-O)\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBTU\u003c\/strong\u003e Heating \/ Cooling: 18,000\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e: 208\/230V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCycles\u003c\/strong\u003e: 60 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSEER2\u003c\/strong\u003e: 21.2\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHSPF2\u003c\/strong\u003e: 11\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Coverage\u003c\/strong\u003e: 800 sq ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e: R-454B\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInverter\u003c\/strong\u003e: Yes — Hyper Heat\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMin Ambient Heat:\u003c\/strong\u003e -22°F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMin Ambient Cool:\u003c\/strong\u003e -22°F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNoise Level:\u003c\/strong\u003e 58 dBA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCompressor Type:\u003c\/strong\u003e Rotary\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMetering Device:\u003c\/strong\u003e EEV\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Star:\u003c\/strong\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAHRI Certified\u003c\/strong\u003e: Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eELECTRICAL\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Fuse\u003c\/strong\u003e \/ Breaker: 25A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMinimum Circuit Ampacity\u003c\/strong\u003e (MCA): 19A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLine Set Included:\u003c\/strong\u003e 25ft QuickConnect® No-Vac\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLiquid Line\u003c\/strong\u003e: 1\/4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSuction Line:\u003c\/strong\u003e 1\/2\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Line Length:\u003c\/strong\u003e 75 ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e (Ceiling Cassette – DIYCASSETTE18HP-230D25-O)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBTU:\u003c\/strong\u003e 12,000 or 18,000 depending install\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCoverage:\u003c\/strong\u003e up to 550 sq ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMount Type:\u003c\/strong\u003e Flush ceiling 16” joists\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDecibel:\u003c\/strong\u003e 24–41 dBA (Ultra Quiet)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAir Direction:\u003c\/strong\u003e 1-way low profile\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFilter:\u003c\/strong\u003e Reusable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModes:\u003c\/strong\u003e Auto \/ Sleep \/ Dry \/ Fan Only\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSmart Home:\u003c\/strong\u003e Alexa • Google Assistant • Wi-Fi App\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBreaker Size:\u003c\/strong\u003e 15A dedicated\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMCA\u003c\/strong\u003e: 3A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eELECTRICAL NOTE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach outdoor unit requires its own dedicated power circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis prevents installation mistakes and warranty issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eHYPER HEAT VS STANDARD DIY\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStandard DIY units are excellent above freezing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHyper Heat maintains real heating output down to -22°F using a stronger inverter, advanced coil temperature management, and higher torque compressor logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your winter dips below 20°F — choose Hyper Heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eCan I install this myself?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYes.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis bundle uses factory-sealed No-Vac® QuickConnect® line sets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo EPA license, no nitrogen purge, no vacuum pump, no gauges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to buy refrigerant?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEverything is pre-charged at the factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eIs this better than a window unit or portable AC?\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNot even close.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHyper Heat systems are:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eQuieter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore efficient\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSafer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt to run year-round\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePermanent HVAC, not a temporary appliance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWill it heat in extreme cold?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFull usable heating down to -22°F, unlike standard heat pumps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eCan I use this in a rental or Airbnb?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt increases property value and lowers complaints.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work in a detached shop or garage?\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes — Hyper Heat is designed for problem spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cstrong\u003eWHY BUY FROM US\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe are USA’s #1 Most Trusted MRCOOL Dealer — specializing only in MRCOOL.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou’re not buying from a random dropshipper.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur HVAC team will verify sizing, breaker requirements, and line sets before you order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e Call  us anytime with questions.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe will make sure you get the exact system you need — not what a competitor guesses.\u003c\/span\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52803044016401,"sku":"MRD-DIYHH18-CASS18-25","price":3682.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/57AF34D1-EB5C-43BC-9E85-2E019C37EC36.jpg?v=1764070925"},{"product_id":"mrcool-diy-hyper-heat-12k-complete-bundle","title":"MRCOOL® DIY Hyper Heat 12K Complete Mini-Split System — DIYHH-12-HP-C-230D25-O Condenser + DIY-12-HP-WMAH-230D25-O Air Handler — 23.5 SEER2, 208\/230V, 25ft Pre-Charged Line Set","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMeet\u003c\/strong\u003e the \u003cstrong\u003eFirst Ever\u003c\/strong\u003e \u003cstrong\u003eDIY Hyper Heat Mini-Split\u003c\/strong\u003e System from \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor the first time ever, \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e has brought \u003cstrong\u003eHyper Heat\u003c\/strong\u003e technology to the \u003cstrong\u003eDIY mini-split lineup\u003c\/strong\u003e. The \u003cstrong\u003eDIYHH-12-HP-C-230D25-O condenser\u003c\/strong\u003e delivers \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e heating and cooling and maintains powerful output down to\u003cstrong\u003e -22°F,\u003c\/strong\u003e outperforming standard \u003cstrong\u003eDIY\u003c\/strong\u003e units and traditional portable heaters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo vacuuming, no charging, no guesswork—just connect the pre-charged QuickConnect® line set and turn it on.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePaired with the \u003cstrong\u003eDIY-12-HP-WMAH-230D25-O\u003c\/strong\u003e wall-mounted air handler, this bundle gives you whisper-quiet operation, smart controls, WiFi, Amazon Alexa, Google Assistant compatibility, Dry Mode dehumidification, and a clean, sleek indoor design that fits any room.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrue DIY Installation — Save $1,500–$3,000 plus in Labor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system uses \u003cstrong\u003efactory-sealed pre-charged\u003c\/strong\u003e refrigerant lines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo HVAC tools. No nitrogen test. No vacuum pump.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eJust install and go.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included \u003cstrong\u003eDIYPRO®\u003c\/strong\u003e cable eliminates conduit and provides extra protection from pets, weather, and lawn damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCold Climate Performance You Can Actually Trust\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular mini-splits lose heat as temps drop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDIY Hyper Heat is different.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts inverter compressor and R-454B refrigerant maintain stable output down to -22°F, eliminating the need for electric space heaters or propane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThat means:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Better efficiency\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Lower bills\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Full comfort in bad winters\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Safe all-electric operation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmart Comfort Anywhere\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl your system your way:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRemote control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC app (iOS \/ Android)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAmazon Alexa \/ Google Assistant voice control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBuilt to Last — \u003cstrong\u003eGold Fin®\u003c\/strong\u003e Condenser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSalt air? Polluted areas? Humidity?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo problem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe corrosion-resistant \u003cstrong\u003eGold Fin®\u003c\/strong\u003e coating protects the outdoor condenser and extends lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWHAT’S INCLUDED IN THIS BUNDLE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ 1 × MRCOOL DIY Hyper Heat 12K Outdoor Condenser – DIYHH-12-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ 1 × MRCOOL 12K Wall-Mount Air Handler – DIY-12-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ 25ft Pre-Charged QuickConnect® Line Set (DIY25-1438 recommended)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ DIYPro® communication cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Remote control\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Installation accessories\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ User manual\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eIDEAL USE CASES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis 12K Hyper Heat system is ideal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBedrooms up to 550 sq ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinished basements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome offices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAirbnb suites\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarage conversions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAttic remodels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTiny homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShe-sheds \u0026amp; man-caves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eADUs \u0026amp; accessory buildings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetached workspaces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCabins or hunting lodges\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHyper Heat vs Standard DIY Mini Splits\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStandard DIY mini-splits are made for moderate climates and lose heating capacity when outdoor temperatures fall below freezing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHyper Heat\u003c\/strong\u003e technology keeps full proportional heating down to \u003cstrong\u003e-22°F\u003c\/strong\u003e by using:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDC inverter rotary compressor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B high-pressure refrigerant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003evariable-speed outdoor fan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eelectronic expansion valve (EEV)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eResult:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStable, silent, efficient heat even in extreme winter conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis is why Hyper Heat is the correct choice for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNorthern states\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMountain towns\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarage workshops\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoorly insulated spaces\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutdoor Condenser\u003c\/strong\u003e — DIYHH-12-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCooling \/ Heating BTU: 12,000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Coverage: 550 sq ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSEER2: 23.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-5: 8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEER2: 12.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInverter: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Heat: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Cool: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Line Set Length: 75 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLine Size: 1\/4” Liquid \/ 3\/8” Suction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNoise: 56.5 dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompressor: Rotary DC inverter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBreaker Size (Max Fuse): 15A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum Circuit Ampacity: 15A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant Type: R-454B (pre-charged)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e — DIY-12-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCooling\/Heating BTU: 12K\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting: Wall\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Room: 550 sq ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFan Speeds: 5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSound: 19–54.5 dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModes: Cool \/ Heat \/ Auto \/ Dry \/ Fan \/ Sleep\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWiFi: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmart Control: Alexa + Google\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFilter: Reusable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBreaker: 15A shared system breaker\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need an HVAC tech to install this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. This is a true DIY system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe line set is factory-sealed and pre-charged — no vacuum pump required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mount the air handler myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Mounting bracket + hardware included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it heat well in winter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. This is Hyper Heat — maintains performance to -22°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a separate breaker for the air handler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe outdoor 230V circuit powers the indoor unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I expand this later?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a single-zone system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want multiple rooms → choose a MRCOOL DIY Multi-Zone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where can I get technical support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou get direct support from MRCOOL Direct — USA’s #1 trusted MRCOOL dealer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHY BUY FROM MRCOOL DIRECT \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe are America’s #1 Most Trusted MRCOOL Dealer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYou get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Real HVAC support (phone \u0026amp; chat)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Financing available\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Factory-fresh units (no reseller returns)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Fast replacement assistance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ And more\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eBUY DIRECT!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Have questions? Call us at 615-553-8118\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe make sure you order exactly what your space needs.\u003c\/span\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52824657068305,"sku":"DIYHH12-WMBUNDLE-230-25FT","price":2532.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/92873139-F6E1-445E-A7AB-B80432C559BC.png?v=1764077420"},{"product_id":"mrcool-diy-hyper-heat-12k-ceiling-cassette-bundle","title":"MRCOOL® DIY Hyper Heat 12K Ceiling Cassette Mini Split System Bundle — 5th Gen — Pre-Charged QuickConnect Line Set — 208\/230V","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eMRCOOL-DIYHH12K-CAS-BUNDLE-230V-25FT\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSHORT DESCRIPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMRCOOL® DIY\u003c\/strong\u003e \u003cstrong\u003eHyper Heat\u003c\/strong\u003e 12K Ceiling Cassette Bundle delivers true cold-climate comfort with professional HVAC performance and DIY installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system includes the \u003cstrong\u003eDIYHH-12-HP-C-230D25-O\u003c\/strong\u003e 12,000 BTU Hyper Heat condenser, the \u003cstrong\u003eDIYCASSETTE12HP-230D25-O\u003c\/strong\u003e OuttaSight ceiling cassette, AND a \u003cstrong\u003epre-charged DIY® QuickConnect®\u003c\/strong\u003e line set—\u003cstrong\u003eno\u003c\/strong\u003e vacuum pump, \u003cstrong\u003eno\u003c\/strong\u003e gauges, \u003cstrong\u003eno\u003c\/strong\u003e refrigerant handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFull DESCRIPTION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eMRCOOL® DIY Hyper Heat\u003c\/strong\u003e 12K Ceiling Cassette Mini Split Bundle is the most advanced ductless \u003cstrong\u003eDIY\u003c\/strong\u003e heat pump ever released. It provides full heating capacity down to \u003cstrong\u003e-22°F,\u003c\/strong\u003e delivering year-round comfort in climates where traditional mini splits or space heaters fail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUnlike\u003c\/strong\u003e standard mini splits, the \u003cstrong\u003eHyper Heat\u003c\/strong\u003e platform maintains heat output in \u003cstrong\u003eextreme winter conditions\u003c\/strong\u003e. The \u003cstrong\u003ehigh-efficiency DC inverter\u003c\/strong\u003e compressor, paired with the new \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant, unlocks \u003cstrong\u003e23.5 SEER2\u003c\/strong\u003e cooling, \u003cstrong\u003e10 HSPF2\u003c\/strong\u003e heat, and whisper-quiet operation. This bundle is designed specifically for \u003cstrong\u003eDIY\u003c\/strong\u003e \u003cstrong\u003ehomeowners:\u003c\/strong\u003e \u003cstrong\u003eno\u003c\/strong\u003e EPA certification, \u003cstrong\u003eno\u003c\/strong\u003e vacuum pumps, \u003cstrong\u003eno\u003c\/strong\u003e refrigerant tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included \u003cstrong\u003eDIY® QuickConnect®\u003c\/strong\u003e pre-charged line set installs rapidly using threaded fittings. The refrigerant is sealed at the factory—just tighten connections, mount the system, and power it on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eOuttaSight®\u003c\/strong\u003e 12K one-way ceiling cassette mounts fully flush between 16” ceiling joists, preserving your wall space and delivering a high-end commercial look. Unlike wall mounts, the cassette features a built-in condensate pump, which solves gravity drain limitations and allows installation where wall handlers cannot drain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl your system however you like:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWireless remote\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC App (iOS \/ Android)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAmazon Alexa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGoogle Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmart program schedule \u0026amp; dew-humidity modes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBuilt to last\u003c\/strong\u003e, the outdoor condenser uses \u003cstrong\u003eGold Fin®\u003c\/strong\u003e anti-corrosion coating and is backed by \u003cstrong\u003eMRCOOL’s\u003c\/strong\u003e industry-leading coverage: \u003cstrong\u003e7-year compressor warranty, 5-year parts warranty,\u003c\/strong\u003e plus \u003cstrong\u003elimited lifetime\u003c\/strong\u003e replacement \u003cstrong\u003ethrough\u003c\/strong\u003e \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e \u003cstrong\u003eCare\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eWHY CHOOSE HYPER HEAT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMost mini splits lose heat output below 20–30°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHyper Heat maintains full performance down to -22°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Standard mini split → Good for moderate climates\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Hyper Heat → Engineered for cold climates and real winter use\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you live in:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eKentucky\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTennessee\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMidwest\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMountain states\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNortheast\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNorthern US \/ Canada\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eHyper Heat is the correct choice\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eIdeal \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system is perfect when aesthetics matter, wall space is limited, or humidity needs controlled. The built-in pump allows ceiling installs where wall handlers or gravity drains fail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBedrooms or guest suites\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome offices and retail spaces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinished basements \u0026amp; media rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAirbnb \/ short-term rentals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSalons, barbershops, and boutique commercial spaces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCabins \u0026amp; tiny homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAttic conversions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome gyms or spa rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAreas up to 550 sq. ft.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHyper Heat\u003c\/strong\u003e is the right solution when you want comfort, not survival.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e WHAT’S INCLUDED (BUNDLE)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003cstrong\u003eDIYHH-12-HP-C-230D25-O\u003c\/strong\u003e — 12K Hyper Heat Condenser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003cstrong\u003eDIYCASSETTE12HP-230D25-O\u003c\/strong\u003e — 12K OuttaSight Ceiling Cassette\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Pre-Charged \u003cstrong\u003eDIY® QuickConnect®\u003c\/strong\u003e Line Set (included)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003cstrong\u003eDIYPRO®\u003c\/strong\u003e Cable (included)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Wireless Remote\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ SmartHVAC Control Module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Installation hardware \u0026amp; manuals\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLine set is factory \u003cstrong\u003epre-charged R-454B\u003c\/strong\u003e — no refrigerant tools required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eELECTRICAL DETAILS\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutdoor\u003c\/strong\u003e \u003cstrong\u003eHyper Heat Condenser\u003c\/strong\u003e — DIYHH-12-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V Single Phase\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 15A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Circuit Ampacity: 15A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLiquid Line: 1\/4”\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuction Line: 3\/8”\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e12K Ceiling Cassette\u003c\/strong\u003e — DIYCASSETTE12HP-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 15A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Circuit Ampacity: 3A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondensate Pump: Integrated (built-in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGravity drain not required\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eUNIT DIMENSIONS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutdoor Unit\u003c\/strong\u003e — DIYHH-12-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWidth: 31.69 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeight: 21.81 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDepth: 12.99 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 72.31 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCeiling Cassette\u003c\/strong\u003e — DIYCASSETTE12HP-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWidth: 50.31 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeight: 8.98 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDepth: 13.19 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 45 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003ePERFORMANCE \u0026amp; OPERATING RANGE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCooling Capacity: 12,000 BTU\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeating Capacity: 12,000 BTU\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSEER2: 23.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEER2: 12.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-5: 8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Coverage: 550 sq. ft.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eExtreme Temp Capability:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e-22°F heating \/ -22°F cooling\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNoise: 24–41 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eCONTROL OPTIONS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWireless remote\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC app\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGoogle Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAmazon Alexa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProgrammable Timer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto Mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSleep Mode\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this bundle include the line set?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✔ Yes — the QuickConnect® pre-charged line set is included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a vacuum pump or gauges?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe line set is factory sealed with R-454B refrigerant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the ceiling cassette be put on a wall?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a ceiling-only system designed to mount between 16” joists.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the cassette have a drain pump?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes — it has a built-in condensate pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo wall mount air handlers have pumps?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo — wall mounts are gravity drain only (pump optional).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes — it is designed for DIY install.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHY BUY FROM MRCOOL DIRECT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUSA’s #1 most trusted MRCOOL dealer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFactory-trained support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo dropship resellers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWarranty safety — Approved sales channel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNationwide delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCall\u003c\/strong\u003e 615-553-8118 for sizing assistance or bundle customization.\u003c\/span\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52825443795217,"sku":"MRCOOL-DIYHH12K-CAS-BUNDLE-230V-25FT","price":3264.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/57AF34D1-EB5C-43BC-9E85-2E019C37EC36.jpg?v=1764070925"},{"product_id":"mrcool-diy-hyper-heat-12k-btu-mini-split-diyhh-12-hp-wm-230d25-o","title":"MRCOOL® DIY® Hyper Heat 5th Generation 12,000 BTU 23.5 SEER2 Single Zone Mini Split Air Conditioner \u0026 Heat Pump System with 25 ft Pre-Charged QuickConnect® Line Set- 230V R-454B- DIYHH-12-HP-WM-230D25-O","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMeet\u003c\/strong\u003e the \u003cstrong\u003eFirst Ever\u003c\/strong\u003e \u003cstrong\u003eDIY Hyper Heat Mini-Split\u003c\/strong\u003e System from \u003cstrong\u003eMRCOOL®\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade your home with one of the easiest and most efficient ductless HVAC systems available. \u003cstrong\u003eThe \u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMRCOOL® DIY® Hyper Heat 5th Generation 12,000 BTU Single Zone\u003c\/strong\u003e \u003cstrong\u003eMini Split System\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e is designed specifically for homeowners who want professional-level comfort without paying for professional installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis complete system pairs the \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e12,000 BTU Hyper Heat\u003c\/strong\u003e \u003cstrong\u003eoutdoor condenser\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e with the \u003c\/span\u003e\u003cspan\u003e\u003cem\u003e12,000 BTU wall-mounted air\u003c\/em\u003e \u003cstrong\u003ehandler\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e, providing year-round heating and cooling for rooms up to \u003c\/span\u003e\u003cspan\u003e550 square feet\u003c\/span\u003e\u003cspan\u003e. The included \u003c\/span\u003e\u003cspan\u003e25-foot factory pre-charged QuickConnect® line set\u003c\/span\u003e\u003cspan\u003e allows installation without vacuum pumps, refrigerant gauges, or specialized HVAC tools, making it one of the most installer-friendly mini split systems on the market.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePowered by environmentally friendly \u003c\/span\u003e\u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e\u003cspan\u003e, this \u003cstrong\u003efifth-generation Hyper Heat system\u003c\/strong\u003e delivers exceptional energy efficiency with an impressive \u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e23.5\u003c\/strong\u003e \u003cstrong\u003eSEER2\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e, helping lower monthly energy costs while providing outstanding comfort in every season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike standard heat pumps that struggle during freezing temperatures, the \u003cstrong\u003eMRCOOL DIY Hyper Heat system\u003c\/strong\u003e continues operating in outdoor temperatures as low as \u003c\/span\u003e\u003cspan\u003e-\u003cstrong\u003e22°F\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e, making it an excellent heating solution for colder climates.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eincluded \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eDIYPRO® cable\u003c\/strong\u003e\u003cspan\u003e eliminates the need for traditional electrical conduit while providing additional protection against weather, sunlight, lawn equipment, rodents, and everyday wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eControl your comfort from virtually anywhere using the included wireless remote, the \u003c\/span\u003e\u003cstrong\u003eMRCOOL SmartHVAC App\u003c\/strong\u003e\u003cspan\u003e, or \u003cstrong\u003ehands-free voice commands through \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eAmazon Alexa\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003eGoogle Assistant.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you’re upgrading a bedroom, garage, workshop, office, bonus room, addition, basement, or cabin, this DIY mini split system delivers professional-quality comfort with homeowner-friendly installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen you purchase from \u003c\/span\u003e\u003cspan\u003eMRCOOL DIRECT\u003c\/span\u003e\u003cspan\u003e, you’re buying from MRCOOL Most Trusted authorized online retailer dedicated exclusively to genuine MRCOOL products, expert customer support, and fast nationwide shipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Homeowners Choose the DIY Hyper Heat Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ True DIY installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Factory pre-charged 25 ft QuickConnect® line set included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ No vacuum pump required\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ No refrigerant handling\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Hyper Heat technology heats down to -22°F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ High-efficiency 23.5 SEER2 inverter technology\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ WiFi enabled out of the box\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ SmartHVAC App compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Amazon Alexa compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Google Assistant compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Quiet operation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Gold Fin® corrosion-resistant coating\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ ENERGY STAR® Certified\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ AHRI Certified\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ ETL Listed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Excellent for cold climates\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDIY Hyper Heat 12,000 BTU Outdoor Condenser\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12,000 BTU Wall Mounted Air Handler\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25 ft Factory Pre-Charged QuickConnect® Line Set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYPRO® Communication Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWireless Remote Control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation Accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUser Manuals\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBedrooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLiving Rooms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome Offices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorkshops\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCabins\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinished Basements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHome Additions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApartments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStudios\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSunrooms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRecommended coverage\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e350–550 sq. ft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHyper Heat Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional mini splits that lose heating performance in freezing weather, the MRCOOL DIY Hyper Heat system is engineered for extreme winter conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCooling down to \u003c\/span\u003e\u003cspan\u003e-22°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHeating down to \u003c\/span\u003e\u003cspan\u003e-22°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePerfect for homeowners living in colder climates where reliable winter heating is essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Home Ready\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eControl your comfort your way.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCompatible\u003c\/strong\u003e \u003cstrong\u003ewith\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC App\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApple iPhone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAndroid\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAmazon Alexa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGoogle Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTemperature adjustments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScheduling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSleep Mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFan Speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFollow Me® Mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVacation settings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Efficient Comfort\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEfficiency Ratings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e23.5 SEER2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12.8 EER2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eENERGY STAR® Certified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDC Inverter Technology\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHigh efficiency means:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLower electric bills\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFaster heating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFaster cooling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter humidity control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuieter operation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIY Installation Advantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MRCOOL DIY Series revolutionized ductless HVAC installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnlike traditional mini split systems, installation does not require:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVacuum pump\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant gauges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitrogen purge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEPA refrigerant certification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecialized HVAC tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eincluded factory pre-charged QuickConnect® line set\u003c\/strong\u003e significantly simplifies installation for qualified homeowners following the installation manual and local building codes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGold Fin® Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe outdoor condenser features \u003cstrong\u003eGold Fin® anti-corrosion\u003c\/strong\u003e technology which helps protect against:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSalt air\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSnow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHumidity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoastal environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosion\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for years of dependable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTechnical\u003c\/strong\u003e \u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e \u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e12,000 BTU\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHeating\u003c\/strong\u003e \u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e12,000 BTU\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp to 550 sq. ft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e208-230V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSingle Phase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSEER2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e23.5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEER2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e12.8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHSPF2-4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eR-454B\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLine Set Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e25 ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Line Set Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e75 ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLiquid\u003c\/strong\u003e \u003cstrong\u003eLine\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1\/4”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuction Line\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3\/8”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Fuse Breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e15 Amp\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Circuit Ampacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e15 Amp\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor Noise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e56.5 dBA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e31.69” W × 21.81” H × 12.99” D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e72.31 lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndoor Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e31.57” W × 11.63” H × 7.44” D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndoor Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e24.47 lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWarranty options may apply with MRCOOL® Care registration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS\u003c\/strong\u003e \u003cstrong\u003eAbout the MRCOOL DIY Hyper Heat Singe Zone 12,000 BTU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need an HVAC tech to install this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. This is a true DIY system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe line set is factory-sealed and pre-charged — no vacuum pump required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mount the air handler myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Mounting bracket + hardware included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it heat well in winter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. This is Hyper Heat — maintains performance to -22°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a separate breaker for the air handler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe outdoor 230V circuit powers the indoor unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I expand this later?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a single-zone system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want multiple rooms → choose a MRCOOL DIY Multi-Zone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this system require HVAC gauges?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the refrigerant come pre-installed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. The included QuickConnect® line set is factory pre-charged with R-454B refrigerant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size room does this cool?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eApproximately 350–550 square feet depending on insulation, ceiling height, windows, and climate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does Hyper Heat work in freezing temperatures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003cspan\u003eThe Hyper Heat condenser can continue providing heat in outdoor temperatures down to \u003c\/span\u003e\u003cspan\u003e-22°F\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I control it from my phone?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003cspan\u003eThe system works with the SmartHVAC App for iPhone and Android devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it work with Alexa?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003cspan\u003eIt supports Amazon Alexa and Google Assistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where can I get technical support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYou get direct support from MRCOOL Direct — USA’s #1 trusted MRCOOL dealer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHY BUY FROM MRCOOL DIRECT \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe are America’s #1 Most Trusted MRCOOL Dealer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYou receive:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGenuine MRCOOL Products\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast Nationwide Shipping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExpert Product Support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY Installation Guidance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Replacement Parts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSecure Online Ordering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuthorized MRCOOL Retailer\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eBUY DIRECT!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHave questions?\u003c\/strong\u003e Call us at 615-553-8118\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe make sure you order exactly what your space needs.\u003c\/span\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":53752199643409,"sku":"DIYHH-12-HP-WM-230D25-O","price":2532.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/mrcool-diy-hyper-heat-12k-btu-23-5-seer2-single-zone-mini-split-system-25ft-quickconnect-230v-r454b-diyhh-12-hp-wm-230d25-o_jpg.png?v=1783613119"},{"product_id":"mrcool®-hyper-heat-18k-single-zone-diy-mini-split-bundle-230v-mrd-diyhh18-wm18-25-copy","title":"MRCOOL® Hyper Heat 18K Single Zone DIY Mini Split Bundle (230V) — DIYHH-18-HP-WM-230D25-O","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: DIYHH-18-HP-WM-230D25-O\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing what’s  New 2025 \u003c\/strong\u003eThis is the first official MRCOOL 5th Gen DIY Hyper Heat 18K Mini split system available direct to consumer, engineered specifically for installs down to -22°F.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL DIYHH-18 Hyper Heat 18K\u003c\/strong\u003e bundle combines the \u003cstrong\u003eDIYHH-18\u003c\/strong\u003e condenser and the \u003cstrong\u003eDIY-18-HP-WMAH-230D25-O\u003c\/strong\u003e wall mount air handler into a complete single zone system designed specifically for true homeowner installation. HVAC buyers search for diyhh-18, diy hyper heat 18k, mr cool  18k outside unit, and 5th gen diy condenser because this system is the first DIY Hyper Heat solution capable of maintaining real -22°F heating performance without professional tools, gauges, vacuum pumps, or refrigerant handling. This bundle delivers genuine contractor-grade results with factory-sealed QuickConnect® R-454B line sets, inverter technology, and seamless smart control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e WORKS WITH:\u003cbr\u003e\u003c\/strong\u003e✔ DIY-18-HP-WMAH-230D25-O Wall Mount Air Handler\u003cbr\u003e✔ DIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eLong Description\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eThe MRCOOL DIYHH-18 Hyper Heat 18K bundle delivers powerful year-round comfort with true DIY installation. This 5th Generation system includes the DIYHH-18 condenser and the DIY-18-HP-WMAH-230D25-O wall mount air handler, providing a complete single zone solution that heats and cools spaces up to 800 sq. ft. Built specifically for harsh climate performance, the Hyper Heat inverter maintains dependable output down to -22°F and prevents the temperature swings associated with conventional single-stage systems.\u003c\/p\u003e\n\u003cp\u003eUnlike standard mini split packages, this system uses factory-sealed QuickConnect® technology. The 25 ft line set arrives vacuumed, fully charged with R-454B refrigerant, and completely sealed—no vacuum pump, nitrogen, refrigerant gauges, recovery equipment, licensed installers, or EPA certification required. The included DIYPRO® cable eliminates the need for electrical conduit and protects against moisture, animals, yard equipment, and environmental wear.\u003c\/p\u003e\n\u003cp\u003eBoth the condenser and air handler are engineered for long-term performance. The Gold Fin® anti-corrosion coating resists coastal salt exposure and seasonal moisture. The inverter compressor quietly modulates output for comfort and efficiency, while the electronic expansion valve ensures stability and fast response. Users can control the system through the SmartHVAC™ app, voice assistants like Alexa or Google Assistant, or the included wireless remote.\u003c\/p\u003e\n\u003cp\u003eWith MRCOOL Care enrollment, customers can access a limited lifetime unit replacement program. Standard coverage includes a 7-year compressor warranty and 5-year parts warranty when properly registered. The DIYHH-18 bundle is ideal for bedrooms, living areas, basements, garages, workshops, home offices, and rental properties where professional installation is costly or impractical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINCLUDES IN THIS COMPLETE DIY BUNDLE:\u003c\/strong\u003e\u003cbr\u003e✔ DIYHH-18-HP-C-230D25-O – Hyper Heat 18K Outdoor Condenser (R-454B)\u003cbr\u003e✔ DIY-18-HP-WMAH-230D25-O – 18K Wall-Mounted Air Handler\u003cbr\u003e✔ DIY25-1412 – 25ft Pre-Charged QuickConnect® Line Set\u003cbr\u003e✔ DIYPRO® Communication Cable\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBULLET FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHyper Heat heating down to -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e21.2 SEER2 cooling \/ 11 HSPF2 heating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eR-454B low-GWP refrigerant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25 ft factory-charged QuickConnect® line set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIYPRO® cable – no conduit required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmartHVAC™ app, Alexa \u0026amp; Google Assistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star \u0026amp; AHRI Certified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGold Fin® outdoor corrosion protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet inverter rotary compressor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEligible for MRCOOL Care kit program \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCondenser Specifications —\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDIYHH-18-HP-C-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand: MRCOOL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSeries DIY Hyper Heat (5th Gen)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 840255588096\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUnit Type:\u003c\/strong\u003e Mini-Split Heat Pump\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Outdoor Condenser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWorks With:\u003c\/strong\u003e DIYCASSETTE18HP-230D25-O, DIY-18-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTonnage: 1.5 Ton\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCooling\/Heating BTU: 18,000\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSEER2: 21.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEER2: 12.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 11\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-5: 8.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCFM: 1765.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Cool: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Ambient Heat: -22°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInverter: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCycle: 60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 25A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMin Circuit Ampacity: 19A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigeration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant: R-454B\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVolume: 52.21 oz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLine Set Included: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLine Set Length: 25 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Line Set Length: 75 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLiquid Line: 1\/4 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuction Line: 1\/2 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMetering Device: EEV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompressor Type: Rotary\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNoise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCondenser dB: 58 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAHRI Certified: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProp 65: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor (registered)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts (registered)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNet: 35.04” W × 26.5” H × 13.46” D — 99.87 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross: 40.55” W × 29.53” H × 18.11” D — 120.15 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWall Mount Air Handler —\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDIY-18-HP-WMAH-230D25-O\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand: MRCOOL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e DIY 5th Gen Single-Zone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 840255587044\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMount\u003c\/strong\u003e Type: Wall\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax Coverage:\u003c\/strong\u003e 800 sq. ft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTonnage: 1.5 Ton\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 208\/230V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCycle: 60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse Breaker: 15\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComfort + Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSpeed Settings: 5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuiet Mode: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFan-Only: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto Cool: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOscillation: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFilter: Reusable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Controls\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWi-Fi Compatible: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApp: MRCOOL SmartHVAC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eiOS + Android Support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlexa + Google Assistant Compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNoise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLow: 19 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh: 54.5 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEnergy Star: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAHRI Certified: \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUL \/ ETL Listed: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBase Parts: 5 Years\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBase Compressor: 7 Years\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNet: 42.52” W × 13.19” H × 8.9” D — 35.49 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross: 46.73” W × 14.29” H × 17.68” D — 49.6 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eWhat Makes 5th Gen Better than 4th Gen?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eR-454B Low-GWP Refrigerant — future-proof vs older R-410A.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher SEER2 Efficiency — lower energy bills \u0026amp; better comfort.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved Cold-Climate Heating — true heat performance down to -22°F.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded Reliability \u0026amp; Components — fewer service issues.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCold-Climate Beast\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike “budget” mini splits that fail in freezing temps, MRCOOL Hyper Heat maintains strong output even in sub-zero weather.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e Bedrooms • Offices • Old homes • Barndominiums • Garages • Tiny homes • Apartments • New builds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes — the DIY system is designed for homeowners and includes Quick Connect® pre-charged line sets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNo HVAC gauges, pumps, or refrigerant handling required\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e A licensed electrician is recommended for electrical hookup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it Wi-Fi compatible?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Control your system with the MRCOOL SmartHVAC app, Amazon Alexa, or Google Assistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it heat and cool?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAbsolutely. It’s a true heat pump system — full heating AND cooling year-round.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat BTU size do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral guideline (sq. ft):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e6k = 100–200\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e9k = 150–400\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12k = 351–550\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18k = 501–800\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e24k = 751–1,050\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e36k = 1,001–1,550\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eInsulation, ceiling height, sun exposure, and appliances can affect sizing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e7-Year Compressor Replacement Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5-Year Parts Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eEligible for the care kit program                                                                                                                                                                                        \u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e                                                                                               \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBuy From The Source\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe are \u003cstrong\u003eMRCOOL Direct\u003c\/strong\u003e — America’s #1 Most Trusted \u003cstrong\u003eMRCOOL\u003c\/strong\u003e Dealer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBetter pricing • faster shipping • direct manufacturer expertise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📞 \u003cstrong\u003eNeed Help?\u003c\/strong\u003e 615-553-8118\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCall or message our Product Experts anytime.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe’ll match you with the right unit for your home or business.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":53752243650833,"sku":"DIYHH-18-HP-WM-230D25-O","price":3173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/92873139-F6E1-445E-A7AB-B80432C559BC.png?v=1764077420"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/collections\/E955E854-EF1C-4D98-B86E-6297B01A8866.jpg?v=1764556851","url":"https:\/\/mrcooldirect.com\/collections\/mrcool-diy-hyper-heat-mini-splits.oembed","provider":"MRCOOL DIRECT ","version":"1.0","type":"link"}