MRCOOL (DIY-12-HP-WM-115C25) DIY 4th Gen, 12000 BTU Ductless Mini-Split Heat Pump Complete System 115V/60Hz, Energy Star

SKU / MPN: DIY-12-HP-WM-115C25


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Product Information


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 can heat and cool an area of up to 500 sq. ft. It has a 12K condenser, a 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 user's needs, including heat, cool, dry (dehumidification), and sleep. It also has the Follow Me function, which adjusts the room's temperature based on the temperature being read by the hand-held remote control. The DIY offers the convenience of operating its modes and functions with your smartphone using the Smart HVAC app. The MrCool mini split is the only system on the market to offer a limited lifetime compressor warranty.

This item replaces: DIY-12-HP-115AE, DIY-12-HP-115B16, DIY-12-HP-115B25, DIY-12-HP-115B


  • Up to 22.5 SEER2
  • Gold Fin Condenser: corrosion-resistant 
  • Variable-speed DC inverter compressor technology cuts operating costs
  • R-410A environmentally friendly refrigerant
  • Standard limited 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
  • Inverter: regulates the speed of the compressor motor to adjust the temperature
  • Fan-only Option, Quiet Mode, and Auto Cool
  • Wifi and App Compatibility
  • Remote Control Included
  • UL Listed
  • Energy Star Certified
  • AHRI Certified


  • SEER: 22, SEER2: 22.5
  • EER: 12.5, EER2: 12.5
  • COP 47: 3.36
  • Hspf: Hspf4/hspf5 : 11.5/9, Hspf2: Hspf2-4/hspf2-5 : 9/7
  • Cfm: 305.88/211.76/147.06
  • Tonnage: 1
  • Cooling/Heating Capacity: 12000 Btu
  • Voltage: 115 V
  • Phase: 1
  • Cycle: 60 Hz
  • Max Fuse Breaker: 25 A
  • Min Circuit Ampacity: 19 A
  • Rated Load: 0.53 A
  • Max Coverage Area: Up To 500 Sqft (Single Zone Capacity)
  • Refrigerant Volume: 38.10 Oz (R-410a)
  • Decibel Rating: 37/31/23.5
  • Oscillation: 4-w
  • Min Ambient Cool: -13f - 122f
  • Min Ambient Heat: -13f - 75f
  • Line Set Length: 25ft
  • Max Lineset Length: 75 Ft
  • Liquid Line Size: 1/4 In
  • Suction Line Size: 1/2 In
  • Compressor Motor Type: Rotary
  • Condenser Fan Motor Rpm: 850/600
  • Blower Motor Rpm: 1100/850/700
  • Condenser Dimensions (in.): D 11.93”, H 21.85”, W 30.12”, Condenser Weight: 65.7 lbs.
  • Air Handler Dimensions (in): D 7.44”, H 11.69”, W 31.57”, Air Handler Weight: 24.03 lbs.
  • Color: White

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Safety Information

By purchasing this item, you are agreeing to have this product installed by a trained technician. The installer or servicer assumes all responsibility for injury or property damage that may result. Refer to your local jurisdiction for installer licencing requirements.

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