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The MRCOOL® 4th Generation DIY 18K BTU, 22 SEER Ductless Heat Pump system offers a complete solution to your home’s heating and cooling needs. This system can heat & cool an area up to 750 sq. ft and is capable of an Energy Star certified, 22 SEER efficiency rating. With the included pre-charged 25 ft. line set, some hand tools, and a few hours of time this entire system can be completely installed. 


This system comes equipped with many functions that separate it from the rest. It has multiple operating modes, which include AUTO, HEAT, COOL, FAN-ONLY, DRY (dehumidification) and SLEEP. It also features the Follow Me function, which allows the system to continually adjust the room temperature based on where the hand-held remote controller is. 

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