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.

Choose Your System Type

Single-Zone Systems

Documentation for MRCOOL DIY single-zone mini split systems.

Multi-Zone Systems

Documentation for MRCOOL DIY multi-zone mini split systems.

MRCOOL® 5th Gen E-Star® Series Single Zone Mini Splits

Official manufacturer installation manual.

MRCOOL® EZPRO® Series Single-Zone Mini Split Systems

MRCOOL® 4th Gen (New for 2025) Olympus® Series Single-Zone Mini Split Systems

MRCOOL® 5th Gen Advantage® Series Single-Zone Mini Split Systems

EZPRO® Series Single-Zone Mini Split Systems Documentation

EZPRO® Series Single-Zone Mini Split Systems Documentation

MRCOOL® EZPRO® Series single-zone mini split systems are designed to deliver efficient heating and cooling with simplified installation and dependable performance. This documentation hub provides official manufacturer resources for homeowners, DIY installers, HVAC professionals, and service technicians.

Here you’ll find installation manuals, quick start guides, remote control manuals, smart controller documentation, warranty information, and specification & performance data specific to EZPRO® single-zone mini split systems.

Whether you’re installing an EZPRO® system, reviewing wiring requirements, verifying efficiency ratings, or confirming warranty coverage, these documents ensure accurate, up-to-date, manufacturer-approved information.