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.

Installation Accessories – Simplify Your HVAC Installation

USA's Most Trusted MRCOOL Dealer – Free Shipping*

Email Us (417) 291-9921 Toll Free (800) 651-9297

USA's Most Trusted MRCOOL Dealer – Free Shipping*

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Shop with confidence at MRCOOL DIY DIRECT, an independent, family-owned HVAC business proudly recognized as a BBB Accredited Business. From our local roots to a nationwide customer base, we’re committed to delivering exceptional service, transparent business practices, and top-quality MRCOOL products. When you shop with us, you support a small business that values integrity, expertise, and your comfort—wherever you are in the U.S.

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Flare Union Kit — Set of 2 Brass Male-Male Refrigeration Flare Unions for Copper Line Sets (1/4"×3/8", 1/4"×1/2", 3/8"×5/8", 1/4"×5/8")

Flare Union Kit — Set of 2 Brass Male-Male Refrigeration Flare Unions for Copper Line Sets (1/4"×3/8", 1/4"×1/2", 3/8"×5/8", 1/4"×5/8")

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Flare Union Kit — Set of 2 Brass Male-Male Refrigeration Flare Unions for Copper Line Sets (1/4"×3/8", 1/4"×1/2", 3/8"×5/8", 1/4"×5/8")

Flare Union Kit — Set of 2 Brass Male-Male Refrigeration Flare Unions for Copper Line Sets (1/4"×3/8", 1/4"×1/2", 3/8"×5/8", 1/4"×5/8")