MRCOOL DIY 12,000 BTU 17.5 SEER Ductless Mini-Split Air Conditioner - White

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ITEM# 21222841

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Eco Friendly


ITEM#: 21222841

 A Mrcool DIY Series heat pump is the only ductless mini-split system on the market explicitly designed for amateur installation. You don't need special tools or training to install this high efficiency heat pump. The line sets precharged with R410A refrigerant, the quick hook-up electrical connections, and the quality engineering mean just about anyone can install a Mrcool DIY in their home with no problem at all in only a few short hours. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use Mrcool DIY Series ductless heat pump.  It covers 500 square feet.

  • BTU: 12000 BTU
  • Type: Split
  • Air Conditioning Filter Type: Washable
  • Product Features: Eco-Friendly, Includes Heater, Includes Remote
  • Square Foot Coverage Range: 500 sq. ft.
  • Voltage: 115 V
  • Air Conditioner Air Direction: Adjustable Horizontal Louvers
  • Assembly: Assembly Required
  • Cooling BTU:12000 BTUs
  • Exact Color: White

After you unpack this item, you may notice an unusual scent for the first 24-48 hours until the product has aired out.


Type Ductless Mini Split
Assembly Assembly Required
Air Conditioner Air Direction Adjustable Horizontal Louvers
Air Conditioning Filter Type Washable
BTU 12000 BTU
Cooling BTU 8000 - 12000 BTUs
Cooling Wattage 1001-2000 Watts
Noise Level Up to 50 dB (Below Conversation Level)
Product Features Eco-Friendly, Includes Heater, Includes Remote
Square Foot Coverage Range 450-550 sq. ft.
Voltage 115 V
Dimensions 11.81 In. X 30.31 In. X 21.85 In.
Warranty 5 year Manufacturer
Model Number DIY-12-HP-115A
Country of Origin China
  • Verified Purchase

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    I love this unit! Best purchase I've made lately! I was skeptical of a DIY heat pump as there are so many complexities working with coolant and electrical both are scary prospects! So after a ton of researching I pulled the trigger. I will say shipping wasn't as quick as Overstocks website promised but it was well worth it when it finally arrived. My husband and his dad put this in over the span of a weekend. We spent about 4 hours on Saturday putting the interior unit up and routing the piping as wanted. Most people hang these on an exterior wall but for our bonus room we were putting this on an interior kneewall so it required a bit more custom installation. The second day they set the outdoor unit. We needed to have an electrician come anyway to or home for our remodel so we did opt to have him hook the electrical up for a small charge. But we did the coolant and it came right on! It's held up well throughout its first winter keeping the room warm and I didn't notice any difference in my electricity bill.

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  • Perfect Mini-Spilt
    Verified Purchase

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    Solid quality, straight forward installation. This worked out perfectly for us, small vacation home, cools great and can be controlled via WiFi allowing the home to be cool when we arrive. The only issue we had was the WiFi module missing in the original packaging but was quickly corrected by the distributor. Phone App could use some help but they are on the first iteration and sure it'll improve over time. Do call the Mfg for the layman terms Wifi hook-up as the instructions in the box are not intuitive. Overall great product and highly recommend.

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  • Verified Purchase

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Questions & Answers

  • Q:

    "I would like to know more about installing this unit. Do you have to run a new electrical line to your circuit breaker?"

    • A:

      Yes you will need to run a new electrical line, these units do require to be hard wired.

  • Q:

    "Why did you choose this product?"

    • A:

      Able to use coupon to buy. And I had a need for one.

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Shipping & Returns

Contact Information


Usually leaves our warehouse in 1-2 business days. *

1-4 week delivery after the item ships:**

Delivered by freight carrier. See Oversized Item Delivery Policy.

Oversized-Item Return Policy:

Upon delivery, if you notice any damage or defects, you must note them on the shipping receipt and refuse delivery. Notify immediately in the unlikely event of damage. More Details


This item cannot be shipped to Alaska or Hawaii. More details

Oversized Item Delivery Policy:

This item will be shipped via freight carrier to your home, excluding rural routes, remote areas not in close proximity to areas commonly serviced by freight carriers, islands, APO/FPO addresses, P.O. Boxes, Alaska and Hawaii. Please provide your daytime and evening phone numbers during check out so our carrier can contact you to schedule delivery. Refer to our Oversized Item Delivery Policy for additional information.
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For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.