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.

Installer's Toolkit: Must-Have Resources for DIY HVAC Success

mr cool technical information troubleshooting guide

MRCOOL Troubleshooting and Error Codes: A Detai...

January 31, 2024Chill Masterson

MRCOOL Error Codes: Comprehensive Meanings and Solutions MRCOOL systems are equipped with advanced self-diagnostic features that display error codes for quick identification and resolution of potential issues. Below is a...

MRCOOL Troubleshooting and Error Codes: A Detai...

January 31, 2024Chill Masterson

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Guide to Selecting the Right Sized MRCOOL Mini ...

October 11, 2023MrCool DIY

Selecting the right MRCOOL mini split system depends on accurately matching your room size with the appropriate BTU rating. Our guide explains how to calculate your room's square footage, use...

Guide to Selecting the Right Sized MRCOOL Mini ...

October 11, 2023MrCool DIY

Selecting the right MRCOOL mini split system depends on accurately matching your room size with the appropriate BTU rating. Our guide explains how to calculate your room's square footage, use...