MRCOOL DIY® 5th Gen 36,000 BTU Multi-Zone Mini Split Air Handler 230V, DIY-36-HP-WMAH-230D25-OMRCOOL DIY 5th Gen 36,000 BTU Multi Zone Mini Split Air Handler 230V Model: DIY 36 HP WMAH 230D25 O Ideal Coverage: Up to 1,500 sq. ft. Power: 230V Refrigerant: R 454B The MRCOOL DIY 36K BTU Multi Zone Wall Mounted Air Handler is the largest available indoor unit in the 5th Generation lineup, engineered to deliver powerful performance for expansive areas such as open concept living rooms, large garages, or commercial zones. Designed to integrate

MRCOOL DIY® 5th Gen 36,000 BTU Multi-Zone Mini Split Air Handler – 230V

Model: DIY-36-HP-WMAH-230D25-O

Ideal Coverage: Up to 1,500 sq. ft. • Power: 230V • Refrigerant: R-454B

The MRCOOL® DIY® 36K BTU Multi-Zone Wall Mounted Air Handler is the largest available indoor unit in the 5th Generation lineup, engineered to deliver powerful performance for expansive areas such as open-concept living rooms, large garages, or commercial zones. Designed to integrate seamlessly with MRCOOL® multi-zone condensers, it provides year-round heating and cooling with cutting-edge smart controls and a true DIY installation experience.

🔥 Key Features

• DIY Installation: No vacuum pump or HVAC tools needed. Designed for fast and simple homeowner installation.
• Pre-Charged QuickConnect® Line Set: Uses R-454B refrigerant, factory-sealed and pressurized for easy connection.
• Environmentally Friendly Refrigerant: R-454B has a significantly lower Global Warming Potential than older R-410A systems.
• DIYPRO® Cable: Weatherproof and rodent-resistant armored power cable eliminates the need for separate electrical conduit.
• Wireless Smart Control: Control your comfort with the remote, SmartHVAC app, Amazon Alexa, or Google Assistant.
• Follow Me Mode: Enhanced comfort control by adjusting airflow based on the location of the remote.
• Dry Mode: Removes excess humidity from the room for improved indoor air quality.

📏 Room Size Coverage

Engineered to cool or heat large areas up to 1,500 square feet, this 36K BTU unit is ideal for basements, open-plan spaces, or workshops.

🛡️ Warranty You Can Count On

• Compressor: 7-Year Limited Warranty
• Parts: 5-Year Limited Warranty
• Lifetime Unit Replacement: Available with MRCOOL® Care Program enrollment

⚠️ Compatibility Notice

This 5th Gen air handler is pre-charged with R-454B refrigerant and is not compatible with older R-410A systems. Only pair with MRCOOL® 5th Generation multi-zone condensers.

Order from MRCOOL DIY Direct—America’s trusted leader in DIY HVAC solutions, replacement parts, and accessories.

Specifications & Dimensions