MR COOL DIY Mini Split - 12,000 BTU 22 SEER | Ductless Mini-Split Heat -
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MR COOL DIY Mini Split - 12,000 BTU 22 SEER | Ductless Mini-Split Heat Pump A/C | 4th Generation Do-It-Yourself Heat Pump & Air Handler with SMARTPHONE CONTROLLER

SKU DIY-12-HP-WM-115C25
Current price $1,627
Original price $1,999
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The 4th generation MRCOOL DIY 12K BTU ductless heat pump system keeps you comfortable year-round. This powerful single-zone system is capable of heating and cooling an area up to 500 square feet. It comes complete with a 12K condenser, 12K air handler, and a 25-foot 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-it achieves 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 a follow me function that adjusts the temperature of the room based on the temperature being read by the hand-held remote control.


  • ENERGY STAR® certified, 22 SEER, and 11.5 HSPF
  • Easy DIY installation—the pre-charged R-410A 25' quick connect line doesn't require special tools, equipment, or training
  • Designed to efficiently heat and cool a single 500 sq ft room
  • SmartHVAC app enables Wi-Ficontrol, is compatible with Amazon Alexa and Google Assistant, and is used anywhere with your apple or android smart device and a Wi-Fi connection
  • Variable-speed DC inverter compressor technology cuts operating costs
  • Low ambient cooling—cools down to 5°F
  • Corrosion-resistant gold fin condenser
  • 7 year compressor warranty and 5 year parts warranty
  • Includes follow me feature, dehumidifying operation, auto mode, louver position memory, and sleep mode

MRCOOL-DIY-12-HP-115C25 - Specs:

Capacity and Performance

  • Cooling Capacity: 12000
  • SEER: 22.0
  • Heating Capacity: 12000
  • HSPF4: 11.5
  • HSPF5: 9
  • Coverage Area (Heat/Cool): Up to 500
  • Indoor Noise Level (Hi/Mi/Lo): 37/31/23.5
  • Outdoor Noise Level: 53.5

Electrical Parts

  • Power Supply: 115V, 60Hz, 1Ph
  • Minimum Circuit Ampacity: 19.0
  • Maximum Fuse (Breaker): 25.0

Dimensions and Height

  • Net Dimension (WxDxH): Indoor 31.57 x 7.44 x 11.69 in
    Outdoor: 30.12 x 11.93 x 21.85 in
  • Net Gross Weight: Indoor 24.03/34.17 lbs
    Outdoor: 65.70/85.3 lbs

Refrigerant & Piping

  • Refrigerant R-410A: 38.01 oz
  • Piping Size Liquid side/Gas side: 1/4"-1/2 in

Still have questions? Give us a call at 877-242-2792

What is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are the financing and payment options at Shop Solar Kits?

We offer several ways to pay to make getting your solar kit simple:

  • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
  • You can arrange financing during the checkout process, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit retailer. We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

Top Solar Company in the USA

Top Solar Company in the USA

The prestigious ranking by Consumer Affairs is based on comprehensive evaluations, including ratings and reviews, equipment options, support services, pricing transparency, warranties, and various other factors. Among the top 6 nominated companies, Shop Solar stands out with the highest review rating, reaffirming its dedication to customer satisfaction and product quality.

Best Components, Lowest Prices

Best Components, Lowest Prices

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Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.