Introducing the 5th Generation MRCOOL DIY® – Next-Level Home Comfort
The 5th Generation MRCOOL DIY® Mini Split System is here—bringing the next evolution of performance, efficiency, and user-friendly installation. Designed for homeowners who want powerful comfort without complicated setup, this latest generation delivers improved performance, enhanced durability, and cutting-edge energy savings.

Now ENERGY STAR® Cold Climate Certified (available in 9K, 12K, 18K, and 24K BTU models), the 5th Gen MRCOOL DIY is engineered to perform even in extreme temperatures. Whether you're heating or cooling, you get consistent, reliable comfort year-round.
The newly redesigned indoor and outdoor units offer a sleek modern look paired with advanced inverter technology. And with the signature NO-VAC Quick Connect® Line Set, installation remains just as simple—no special tools, no vacuum pump, no hassle.
Experience the future of home comfort with MRCOOL’s most advanced DIY system yet.
Smarter. Stronger. More efficient. The next generation of comfort starts here.
Order now at Wholesale HVAC Direct









