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America's New
MrCool DIY Mini-Split
Air Conditioner and Heater
you can install yourself
From $2,329
Shop Now
A DIY solution
for every home.
Innovative solutions for
your family.
DIY Made Easy.
MRCOOL DIY is the only ductless mini split system designed for fast, affordable installation—no HVAC pro required. The pre-charged, sealed line sets come with all the refrigerant you need, so there's no need for special tools, tanks, or extra service costs. Just connect, power up, and enjoy comfort for thousands less than a traditional system.
Find Your Fit
Pre-charged
R-454B line sets
R-454B line sets
No vacuum
required
required
WiFi control
Energy Star
certified
certified
Pick the Perfect MrCool DIY for Your Space
Every space is a little different. Whether your space is big or small, we have the perfect MrCool DIY to fit your specific heating and cooling needs. The unit comes standard with a 5 year parts and 7 year compressor warranty. IWAE offers an additional 1 Year Extended Labor Warranty with purchase of the DIY 5th Gen System.
Need an Option for Multiple Rooms?
Check out the NEW MrCool DIY Multi-Zone Systems
Join thousands enjoying their MrCool DIY Mini Split
"Thanks for everything you guys do to keep all your customers satisfied. If I would need another mini split, I would not hesitate to buy another MrCool."
"MrCool is the best purchase I made for my home! I have the 48K with 5 Air Handlers. Runs efficiently, quiet and the heat is inexpensive to run and warms the house up quickly!"
"I can’t emphasize enough how efficient the Mr Cool customer support team is, I purchased 2 mini splits and absolutely love how quiet and economical they are. I highly recommend a MrCool system!"
MrCool Warranty Programs
Each unit comes backed with a standard 5-year warranty on replacement parts and a 7-year warranty on the compressor. For even greater protection, upgrade to the MrCool Care Kit Program and enjoy extended limited lifetime system replacement—because long-term comfort shouldn’t come with surprises.
And when you purchase through IWAE, you get an additional 1-year extended labor warranty included at no extra cost, giving you even more value and coverage from day one.