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4th Gen DIY Ductless Mini-Split Heat Pump

Regular price $1,738.00
Regular price Sale price $1,738.00
Sale Sold out

Introducing the latest in home comfort technology, with the 4th Generation MrCool DIY 12K (500 sqft), 18K (750 sqft), 24K (1,000 sqft) and 36K (1,500 sqft) BTU, 22 SEER Ductless Heat Pump System. This powerful single-zone system has the capability of heating and cooling an areas up to 1,500 square feet.

Each system comes complete with a condenser, 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.

Doing it yourself has never been easier with the new MRCOOL DIY E Star Series.

This unit is shipped freight in two boxes.  Designed and supported for DIY single zone installation.


  • Easy DIY installation: pre-charged quick connect line doesn't require special tools, equipment, or training
  • WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection
  • Variable-speed DC inverter compressor technology cuts operating costs
  • Low ambient cooling: cooling down to 5 deg F exterior temperatures, the ideal system for computer server rooms, greenhouses, and any other applications that require cooling all year
  • The unit is 22 SEER and designed to heat and cool a single room
  • R-410A environmentally friendly refrigerant
  • 7-Year compressor warranty and 5-year parts warranty
  • Auto-restart: - power outage? No worries, the MRCOOL DIY E star Series auto-restart has the unit running again immediately
  • Gold Fin® condenser: corrosion-resistant coastal living - don't worry, our condenser is built to resist long term corrosion
  • Louver position memory remembers so you don't need to - horizontal louver automatically moves to the same position you set the last time the unit was turned on
  • Automatic leakage detection technology to alert you should a problem arise
  • 208 - 230 VAC / 60 Hz electrical