News
News
MRCOOL® TravelCool™ Winter Storage Guide: How to Protect Your RV Air Conditioner in Cold Weather
Prepare your MRCOOL® TravelCool™ RV air conditioner for winter with this complete storage guide. Learn how to clean the filter, inspect the rooftop unit, protect airflow openings, understand C2 cold-weather protection, safely store equipment containing R-32 refrigerant, and complete a spring startup inspection.
Read moreMRCOOL® TravelCool™ Troubleshooting Guide: Not Cooling, Not Heating, No Power & More
Is your MRCOOL® TravelCool™ RV air conditioner not cooling, not heating, losing power, showing an error code, or shutting down? Use this complete troubleshooting guide to check airflow, filters, electrical power, operating temperatures, fault codes, remote control issues, and when professional service is needed.
Read moreMRCOOL® TravelCool™ Error Codes Explained: Complete Troubleshooting Guide
Seeing an error code on your MRCOOL® TravelCool™ RV air conditioner? Use this complete TravelCool error code guide to understand E1, E2, E5, E6, E7, E8, E9, F0-F8, H1-H4 and C2 fault and protection codes, plus what to check and when to call for service.
Read moreMRCOOL® TravelCool™ Maintenance Guide: Cleaning, Filter Care & Seasonal Maintenance
Keep your MRCOOL® TravelCool™ RV Inverter Heat Pump operating at its best with this complete maintenance guide. Learn how to clean the filter, inspect the rooftop unit, maintain airflow, prepare for seasonal storage, and follow a simple maintenance schedule for reliable year-round performance.
Read moreMRCOOL® TravelCool™ Remote Control Guide: Every Button, Mode & Feature Explained
Learn what every button on the MRCOOL® TravelCool™ remote control does. This complete guide explains cooling mode, heating mode, fan speed, timer settings, sleep mode, Auto Mode, Dry Mode, and other features to help you get the most from your RV inverter heat pump.
Read moreMRCOOL® TravelCool™ Heating & Cooling Performance: Is This RV Heat Pump Worth It?
Discover how the MRCOOL® TravelCool™ RV Inverter Heat Pump delivers year-round comfort with variable-speed inverter technology, 10,000–15,000 BTU/h of cooling, 12,000–16,000 BTU/h of heating, quiet operation, and efficient airflow designed for RV travel.
Read moreMRCOOL® TravelCool™ Electrical Requirements: Breaker Size, Power Requirements & Wiring Guide
Installing a MRCOOL® TravelCool™ RV Inverter Heat Pump? Learn the correct electrical requirements, recommended breaker size, power consumption, voltage, wiring considerations, and installation tips before connecting your new rooftop air conditioner.
Read moreMRCOOL® TravelCool™ Roof Opening Size: What Size Hole Does Your RV Need? (Complete Guide)
Planning to install a MRCOOL® TravelCool™ RV Inverter Heat Pump? Learn the required 14.17” × 14.17” roof opening, maximum roof thickness, installation tips, measurement guidelines, and answers to common questions before you begin.
Read moreMRCOOL® TravelCool™ RV Air Conditioner Installation Guide (2026)
Planning to install a MRCOOL® TravelCool™ RV Inverter Heat Pump? Learn the required roof opening, electrical specifications, breaker size, dimensions, installation tips, common mistakes to avoid, and answers to frequently asked questions in this complete installation guide.
Read moreMRCOOL® Universal® Maintenance Guide (2026) | Cleaning, Service Schedule & HVAC Maintenance Tips
Learn how to maintain your MRCOOL® Universal® heat pump with this complete maintenance guide. Discover cleaning tips, seasonal service schedules, filter replacement, coil care, drain maintenance, and preventative HVAC maintenance to maximize efficiency and system life.
Read moreMRCOOL® Universal® Thermostat Wiring Guide (2026) | Complete 24V Wiring, Smart Thermostats & Troubleshooting
Master MRCOOL® Universal® thermostat wiring with this complete guide covering 24V wiring, heat pump terminal functions, thermostat programming, smart thermostat compatibility, troubleshooting, startup verification, and professional installation tips for reliable heating and cooling.
Read moreStep-by-Step Thermostat Wiring, Heat Pump Operation, Smart Thermostats & Common Wiring Mistakes
Learn how to wire a MRCOOL® Universal® heat pump thermostat with confidence. This complete guide explains 24V thermostat wiring, terminal functions, smart thermostat compatibility, heat pump operation, troubleshooting, common wiring mistakes, and professional installation best practices for reliable year-round comfort.
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