
Effortless
Comfort.
Smarter
Living.
Advanced Cooling and Heating — Smart, Sustainable Systems for Home and Business.
Reasons To Shop With Us

Free Shipping
Enjoy fast, free delivery on every order—straight to your door.

Warranty Protection
Full manufacturer warranty included for your peace of mind.

Authorized MRCOOL Partner
Buy with confidence from an official MrCool supplier.

Trusted Returns Policy
Hassle-free returns with taxes and fees already included.
Best Sellers
The most reliable, energy-efficient, and DIY-friendly systems — proven favorites for homes across the U.S.
What They Say
Real customers. Real comfort. See how homeowners across the U.S. are enjoying effortless heating and cooling with MRCOOL® systems from Cool Heat Direct.
The MrCool DIY 12k unit was so easy to install, I had it running the same day. It’s whisper-quiet, energy efficient, and keeps my living room comfortable no matter the weather.
Texas
I replaced my old system with MrCool and the difference is unbelievable. The cooling is consistent, it heats perfectly in winter, and my energy bills are lower than ever.
Florida
Customer service was excellent — they answered my installation questions right away. The unit itself is rock solid, quiet, and powerful. Couldn’t be happier.
Ohio
The quality of this system is outstanding. I’ve had it for over a year and it runs flawlessly. Easy setup, great warranty, and it looks sleek on my wall.
California
I was nervous about doing my own install, but MRCOOL made it simple. Everything came in the box, instructions were clear, and it works better than I expected.
New York
Why MRCOOL DIY®?
Save thousands on installation and skip the scheduling headaches. MRCOOL® DIY systems are built for homeowners — no special tools, no complex wiring, no refrigerant handling. Just simple installation, premium performance, and long-term savings.
Perfect for:
Homeowners who want professional-grade comfort without the professional-grade price tag.
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Expert Resources
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