Do I need an HVAC license to buy MRCOOL products?

No! MRCOOL DIY systems are designed for homeowners, contractors, and anyone handy with basic tools. You do not need a license to purchase or install most MRCOOL products.

Do you offer free shipping?

Yes. We offer free shipping to the lower 48 states on all full MRCOOL systems and most bundled packages. Smaller items may have calculated rates.

What makes MRCOOL DIY Direct different?

We are the USA’s most trusted independent MRCOOL dealer. We offer expert support, fast shipping, and exclusive early access to new generation systems and accessories.

National Performance. Zero Compromise.

MRCOOL DIY Direct | Proud Supporter of The Flings Drag Racing Series

Elite competition demands precision, consistency, and reliability. Those standards do not stop at the finish line and neither do we.

The Strip @ Las Vegas • Thunder Valley Dragway Bristol • Summit Motorsports Park Norwalk • Galot Motorsports Park

Explore The Series Shop MRCOOL Systems

The Starting Line – Where Consistency Wins

Performance Under Pressure

Big money bracket racing is built on precision. Reaction times are measured in thousandths of a second. Consistency wins championships.

At MRCOOL DIY Direct, we believe performance should be just as dependable. Whether on the starting line or inside your home, systems must perform exactly as expected — every time.

Built on Discipline. Backed by Performance.

Precision Is Not Optional

Elite competition demands preparation, control, and execution under pressure. Bracket racing rewards consistency over raw speed — and that mindset mirrors our approach to HVAC systems.

Supporting The Flings national series reflects our commitment to reliability, discipline, and performance at a national level.

MRCOOL DIY Direct proudly supports The Flings Drag Racing Series

About The Flings Bracket Racing Series

The Flings are among the most recognized big-money bracket racing events in the United States. Hosted at premier tracks across the country, these races bring together highly competitive drivers focused on precision, consistency, and discipline.

Unlike heads-up racing, bracket racing rewards repeatability. Drivers dial in predicted elapsed times and must run as close to that number as possible without breaking out. Thousandths of a second determine outcomes.