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MRCOOL DIY12HP115C25 DIY 4th Generation Mini Split System with 12000 BTU, Heat Pump, Energy Star, 115V (DIY12HPC115C25 + DIY12HPWMAH115C25)

DIY12HP115C25
MRCOOL DIY12HPC115C25 DIY 4th Generation 12000 BTU Heat Pump Condenser with 25 ft Line Set, 115V, 22 SEER, Energy Star
MRCOOL DIY12HPWMAH115C25 DIY 4th Generation 12000 BTU Wall Mount Air Handler with 25 ft DIY Pro Cable and Enhanced WiFi (Works with Alexa and Google Assistant)
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$1,738.00
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MRCOOL DIY12HP115C25 Features

MRCOOL DIY-12-HP-115C25 DIY 4th Generation Mini Split System with 12000 BTU, Heat Pump, Energy Star, 115V (DIY12HPC115C25 + DIY12HPWMAH115C25)

DIY 12k 4th Gen E-Star Condenser - 115V

Introducing the latest in home comfort technology: the 4th Generation MRCOOL® DIY 12K BTU, 22 SEER Ductless Heat Pump System. This powerful single-zone system can heat and cool areas up to 500 sq. ft. It comes complete with a 12K condenser, a 12K air handler, and a 25 ft. line set pre-charged with R-410A refrigerant. The line set also features quick connectors that require no special tools, equipment, or training for installation. The MRCOOL DIY system includes several features that set it apart from its competitors. One of the most notable is its ability to achieve an outstanding 22 SEER efficiency rating, making it Energy Star certified. This system offers multiple operating modes to suit the user’s needs, including HEAT, COOL, DRY (dehumidification), and SLEEP. Additionally, the Follow Me function adjusts the room temperature based on the reading from the handheld remote control. For added convenience, the DIY system allows you to operate its modes and functions using your smartphone through the Smart HVAC app. Notably, the MRCOOL mini split is the only system on the market that offers a limited lifetime compressor warranty.

  • Gold Fin® Condenser: Corrosion-resistant design ideal for coastal living, ensuring long-term durability.
  • Variable-Speed DC Inverter Compressor Technology: Reduces operating costs with enhanced energy efficiency.
  • R-410A Environmentally Friendly Refrigerant: Eco-friendly cooling solution.
  • Line Set Size: 1/4" - 1/2" for efficient refrigerant flow.

DIY 12k 4th Gen E Star Air Handler - 115V

The MRCOOL DIY 4th Gen 12K BTU Wall Mount Air Handler (DIY-12-HP-WMAH-115C25) is an ultra-efficient ductless mini-split system designed to provide both cooling and heating for spaces up to 500 sq. ft. With its 12,000 BTU capacity, this unit ensures year-round comfort in a variety of climates.


  • SmartHVAC App with WiFi Control – Operate your DIY system remotely using your Apple or Android device with an internet connection.
  • Comprehensive Warranty – Comes with a 7-year compressor and 5-year parts warranty; register for a limited lifetime compressor warranty.
  • Smart Home Compatible – Seamlessly integrates with Amazon Alexa and Google Assistant for voice control.
  • DIY Pro™ Cable for Enhanced Safety – Protects wiring from exposure to outdoor elements.

MRCOOL DIY12HP115C25 Dimensions

Outdoor Unit Width30 3/25"
Outdoor Unit Height21 17/20"
Outdoor Unit Depth11 93/100"
Indoor Unit / Width31 57/100"
Indoor Unit / Height11 69/100"
Indoor Unit / Depth7 11/25"

MRCOOL DIY12HP115C25 Reviews