MRCOOL DIY 12K 12,000 BTU 22 SEER 4th Gen Ductless Mini Split Air Conditioner and Heat Pump – 115V


MRCOOL’s 4th generation DIY 12K heat pump mini split air conditioner is the latest and greatest of the only ductless mini-split system on the market purposefully designed for anyone to be able to install. It is perfect for garages, workshops, sunrooms, RV’s, trailers, or other spaces, especially if they don’t have ductwork.



MrCool E Star DIY 4th Gen 12k BTU Ductless Mini-Split Heat Pump Complete System 115V/60Hz

Introducing the latest in home comfort technology, with the 4th Generation MrCool DIY 12K BTU, 22 SEER Ductless Heat Pump System. This powerful single-zone system has the capability of heating and cooling an area up to 500 sq. ft. It comes complete with a 12K condenser, 12K air handler, and a 25 ft. line set pre-charged with R-410A refrigerant. The line set also has quick connectors which require no special tools, equipment, or training to install. The MrCool DIY system also includes many features that make it stand out among its competitors. The first of which is its ability to achieve an outstanding 22 SEER efficiency rating allowing it to be Energy Star certified. This system has many operating modes to select from to suit the needs of the user, including HEAT, COOL, DRY (dehumidification), and SLEEP. It also has the Follow Me function that adjusts the temperature of the room based on the temperature being read by the hand-held remote control. The DIY features the convenience of being able to operate its modes and functions with your smartphone by using the Smart HVAC app. The MrCool mini split is the only system on the market to offer a limited lifetime compressor warranty.

  • Up to 22 SEER
  • Gold Fin® condenser: corrosion-resistant coastal living – don’t worry, our condenser is built to resist long-term corrosion
  • Variable-speed DC inverter compressor technology cuts operating costs
  • R-410A environmentally friendly refrigerant
  • Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty


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