{"product_id":"mrcool-diy-12k-btu-115v-mini-split-complete-system-diys-12-hp-115a11-o","title":"MRCOOL® DIY® Select 1st Gen -12K BTU 115V Mini Split Complete System – 17.5 SEER2 Heat Pump – Easy Install – R454B (DIYS-12-HP-115A11-O) 11.5ft pre-charge line set.","description":"\u003cp\u003e\u003cstrong\u003eProduct Description \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you’re stepping up from a smaller system and want something that can handle more space without making installation complicated, this is one of the best choices you can make.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eMRCOOL DIY Select 12K BTU Mini Split Complete System (115V)\u003c\/strong\u003e\u003cspan\u003e is designed for homeowners who want powerful, reliable heating and cooling — without paying for expensive HVAC labor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt by MRCOOL, this system comfortably handles spaces up to 550 sq ft, making it perfect for garages, home offices, larger bedrooms, and additions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat makes this system stand out is the installation. The included Quick Connect® line set comes pre-charged with R-454B refrigerant, eliminating the need for vacuum pumps, gauges, or specialized tools. The DIYPRO® cable removes the need for conduit, making installation faster, cleaner, and more approachable for first-time installers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith \u003c\/span\u003e\u003cspan\u003e17.5 SEER2 efficiency\u003c\/span\u003e\u003cspan\u003e, you’re getting strong performance without high energy bills.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eControl everything from your phone using the MRCOOL app, or use Alexa and Google Assistant for hands-free control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want \u003c\/span\u003e\u003cspan\u003epower, efficiency, and true DIY simplicity — this system delivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ Complete System (11.5 ft Line Set Included)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ True DIY Installation – No HVAC tools required\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ 115V Power – Easier install than 230V\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ Heat Pump (Heating + Cooling)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ Covers Up to 550 Sq Ft\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ 17.5 SEER2 Energy Efficient\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ Smart App + Voice Control\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ Ultra Quiet Operation\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ Gold Fin® Corrosion Protection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSystem Type: Mini Split Heat Pump\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eZone Type: Single Zone\u003c\/span\u003e\u003c\/li\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: 17.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEER2: 8.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-4: 9\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHSPF2-5: 6.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoverage Area: Up to 550 sq ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefrigerant: R-454B\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 115V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency: 60 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum Circuit Ampacity: 19.5A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecommended Breaker: 20 Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse\/Breaker: 20A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndoor Air Handler Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eModel: DIYS-12-HP-WMAH-115A13-O\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNoise Level: 17.5 – 44.5 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: 31.57” W x 11.61” H x 7.87” D\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 24.91 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFan Speeds: 3-Speed DC Motor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFilter: Reusable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmart Features: WiFi + App + Voice Control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor Condenser Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eModel: DIYS-12-HP-C-115A11-O\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompressor Type: Rotary\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNoise Level: 54 dBA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: 28.35” W x 19.49” H x 10.63” D\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 54.89 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInverter: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Line Length: 75 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLine Set Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIncluded Length: 11.5 ft\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\u003cstrong\u003eElectrical Requirements:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 115V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum Circuit Ampacity: 19.5A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecommended Breaker Size: 20 Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax Fuse\/Breaker: 20A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e👉 \u003cstrong\u003eAlways size based on condenser specs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe MRCOOL DIY Select 12K BTU Mini Split System includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2-Year Compressor Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1-Year Parts Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1-Year Remote Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBuilt for long-term reliability and peace of mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Purchase from MRCOOL DIRECT?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen you buy from \u003c\/span\u003e\u003cspan\u003eMRCOOL DIRECT\u003c\/span\u003e\u003cspan\u003e, you’re not just buying a system — you’re getting direct access to one of the most trusted sources for MRCOOL products in the country.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eBuy Direct from a Trusted MRCOOL Dealer\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eFast Shipping Across the United States\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eExpert Support Before \u0026amp; After Purchase\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eNo Middleman Markups\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eAccess to the Latest MRCOOL Products\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cspan\u003eTrusted by Homeowners \u0026amp; Contractors Nationwide\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e👉 When it comes to value, support, and availability — MRCOOL DIRECT stands above the rest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFrequently Asked Questions about the MRCOOL DIY Select 12K BTU Mini Split System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size room does a 12K mini split cover?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eUp to 550 sq ft depending on insulation and layout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What breaker size do I need?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e20 amp breaker on a 115V circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eYes — no HVAC tools or experience required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this system heat and cool?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eYes — full heat pump system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this better than a 9K system?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eYes for larger rooms — it provides more capacity and airflow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e“\u003cstrong\u003eThis MRCOOL DIY 12K BTU 115V mini split complete system \u003c\/strong\u003eis one of the best solutions for homeowners looking for a powerful, energy-efficient, and easy-to-install HVAC system.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":53436732309777,"sku":"DIYS-12-HP-115A11-O","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/7750\/7089\/files\/AC63F49F-96E0-456B-8319-6172715CAE6A.jpg?v=1776905184","url":"https:\/\/mrcooldirect.com\/products\/mrcool-diy-12k-btu-115v-mini-split-complete-system-diys-12-hp-115a11-o","provider":"MRCOOL DIRECT ","version":"1.0","type":"link"}