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Smarter Living.

Effortless Comfort.

Complete MRCOOL® DIY systems you can install in a weekend — and save thousands on contractor costs.

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Reasons To Shop With Us

Free Shipping

Fast, free delivery on every MRCOOL® system — safely shipped to your door anywhere in the U.S.

Warranty Protection

Full warranty on every MRCOOL® system — dependable coverage for years.

Authorized MRCOOL Partner

Buy with confidence from an official MRCOOL® supplier — trusted, verified, and fully approved.

Expert HVAC Support

Dedicated support team — ready to help you choose and install the MRCOOL® system that fits your home.

MRCOOL® Bestsellers

Tried-and-tested MRCOOL® systems homeowners trust for easy installs, powerful performance, and year-round comfort.

Best Seller MRCOOL® EASY Pro™ Series 5th Gen 12k BTU Mini-Split Heat Pump Condenser 115VMRCOOL® EASY Pro™ Series 5th Gen 12k BTU Mini-Split Heat Pump Condenser 115V
MRCOOL® EASY Pro™ Series 5th Gen 12k BTU Mini-Split Heat Pump Condenser 115V Sale priceFrom $1,020.00
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Best Seller MRCOOL® EasyPro 5th Generation 12K BTU DIY Ductless Mini-Split Air Handler 115VMRCOOL® EasyPro 5th Generation 12K BTU DIY Ductless Mini-Split Air Handler 115V
MRCOOL® EasyPro 5th Generation 12K BTU DIY Ductless Mini-Split Air Handler 115V Sale priceFrom $549.00
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Best Seller MRCOOL® DIY Easy Pro™ 18K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line SetMRCOOL® DIY Easy Pro™ 18K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line Set
MRCOOL® DIY Easy Pro™ 18K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line Set Sale priceFrom $1,252.00
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Best Seller MRCOOL® EasyPro 5th Generation 24K BTU DIY Ductless Mini-Split Air Handler 230VMRCOOL® EasyPro 5th Generation 24K BTU DIY Ductless Mini-Split Air Handler 230V
MRCOOL® EasyPro 5th Generation 24K BTU DIY Ductless Mini-Split Air Handler 230V Sale priceFrom $549.00
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Best Seller MRCOOL® DIY Easy Pro™ 24K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line SetMRCOOL® DIY Easy Pro™ 24K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line Set
MRCOOL® DIY Easy Pro™ 24K BTU Ductless Mini-Split Heat Pump System with Quick Connect® Line Set Sale priceFrom $1,252.00
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MRCOOL® 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230vMRCOOL® 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v
MRCOOL® 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v Sale price$3,809.00
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MRCOOL® Olympus Hyper Heat 24,000 BTU Ductless Mini-Split System - 230V/60HzMRCOOL® Olympus Hyper Heat 24,000 BTU Ductless Mini-Split System - 230V/60Hz
MRCOOL® Olympus Hyper Heat 24,000 BTU Ductless Mini-Split System - 230V/60Hz Sale priceFrom $1,449.00
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MRCOOL® Universal Series 4–5 Ton DC Inverter Condenser – Up to 18 SEER | Ultra-Heat TechnologyMRCOOL® Universal Series 4–5 Ton DC Inverter Condenser – Up to 18 SEER | Ultra-Heat Technology
MRCOOL® Universal Series 4–5 Ton DC Inverter Condenser – Up to 18 SEER | Ultra-Heat Technology Sale price$2,555.00
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Why Choose

Cool Heat Direct?

At Cool Heat Direct, we focus on one thing: reliable heating and cooling you can count on.

As an official MRCOOL® partner, we provide systems that are easy to install, energy-efficient, and built to last — with no guesswork and no hidden surprises.

Every system includes:

✅ Free Shipping

✅ Full Warranty Protection

✅ Expert-Backed Support

Upgrading your home or business has never been simpler. Our next-generation HVAC technology helps you save energy, cut costs, and enjoy perfect comfort—season after season.

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Not Sure Which MRCOOL® System You Need?

Use our simple guide to match your room size, BTU, and setup type — so you pick the right MRCOOL® system the first time.

What They Say

Real homeowners across the U.S. trust MRCOOL® systems from Cool Heat Direct for powerful, reliable, and effortless home comfort.

★★★★★
✔ Verified

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.

James S
Texas
★★★★★
✔ Verified

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.

David R
Florida
★★★★★
✔ Verified

Customer service was excellent — they answered my installation questions right away. The unit itself is rock solid, quiet, and powerful. Couldn’t be happier.

Michael T
Ohio
★★★★★
✔ Verified

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.

Emily K
California
★★★★★
✔ Verified

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.

James L
New York

Why MRCOOL DIY®?

Cut out contractor costs and install your system on your schedule. MRCOOL® DIY units are engineered for homeowners — no HVAC license, no specialized tools, no refrigerant handling. Just simple installation, powerful performance, and real long-term savings.

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Ready to Upgrade Your Home Comfort?

From single rooms to whole-home systems, we’ll help you choose the right MRCOOL® setup the first time.

See MRCOOL® DIY Systems Talk to a MRCOOL® Expert

Your Source for Clear, Trusted MRCOOL® Guidance

Expert insights, installation tips, and product comparisons — everything homeowners need to choose the right system with confidence.

Winter HVAC Tips: How to Use Your MRCOOL® Mini-Split for Maximum Comfort & Lower Energy Bills
Winter HVAC Tips

Winter HVAC Tips: How to Use Your MRCOOL® Mini-Split for Maximum Comfort & Lower Energy Bills

Discover smart winter strategies to get more heat, more comfort, and lower bills from your MRCOOL® mini-split system. Learn how heat mode, defrost cycles, air circulation, and cold-climate features...

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How to Size a MRCOOL® DIY Mini-Split: Complete BTU Sizing Guide + Expert Climate Tips
BTU chart for mini splits

How to Size a MRCOOL® DIY Mini-Split: Complete BTU Sizing Guide + Expert Climate Tips

MRCOOL® DIY Mini-Split Sizing Guide 2026 (BTU Chart + Climate Tips). The ultimate MRCOOL® sizing guide. Learn how to choose the perfect DIY mini-split using room size, climate, ceiling height, humi...

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How to Maintain Your MRCOOL® Mini-Split for Peak Performance
DIY Home Care

How to Maintain Your MRCOOL® Mini-Split for Peak Performance

Keep your MRCOOL® Mini-Split performing like new with this easy maintenance guide from CoolHeatDirect.com. Learn how to clean filters, care for coils, prevent leaks, and boost energy efficiency yea...

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