MRCOOL 36,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-36-HP-MUAH-230D25-O

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MRCOOL 36,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-36-HP-MUAH-230D25-O

Summary

The 36K MRCOOL® DIY Hybrid™ Air Handler offers a powerful and adaptable solution for heating and cooling areas up to 1,500 square feet. Engineered for compatibility with MRCOOL® DIY condensers, this unit is perfect for hassle-free installation without the need for professional help—making it an ideal replacement for outdated or inefficient HVAC systems. Its rugged painted galvanized steel cabinet ensures long-term durability, while the integrated self-diagnostics panel streamlines maintenance by displaying error codes for quick and accurate issue identification. This air handler supports multiple installation styles, including upflow, downflow, and horizontal left or right, allowing it to fit a wide range of home configurations with ease.

Important

Designed for DIY installation with compatible MRCOOL condensers. Registration activates extended limited lifetime warranty. Multi-position installation flexibility (upflow, downflow, horizontal). Works with DIY MZ or 36K DIY Condenser.

What\'s Included

• 36,000 BTU Multi-Position Air Handler (Model DIY-36-HP-MUAH-230D25-O)


• MRCOOL® Smart Wi-Fi Thermostat


• Installation Manual


• User\'s Manual


• Service Manual


• Manufacturer Warranty Information

Features

• Multi-position installation (upflow, downflow, horizontal left/right)


• Built-in self-diagnostics panel for easy troubleshooting


• Smart Wi-Fi Thermostat with MRCOOL app compatibility


• Painted galvanized steel construction for durability


• Optional heat kit available (5kW, 8kW, 10kW, 15kW, 20kW)


• Electronic Expansion Valve (EEV) for precise control


• AHRI Certified


• 4 fan speeds


• UL, CSA, and ETL certified


• Replaceable filter system


• R-454B environmentally conscious refrigerant


• WiFi compatibility with iOS and Android apps


• Higher capacity heating (37,000 BTU)

Technical Specifications

Performance & Acoustic Data

Compatibility & Control Features

Heating Options

Certifications & Compliance

Warranty Information

• 
  Extended Limited Lifetime warranty with registration*


• 
  Base Warranty: 5 Year Parts


• 
  Base Parts Warranty: 5 Years

Manuals & Downloads

• Brochure


• Installation & Owner\'s Manual


• Service Manual


• Warranty Registration


• AHRI Certification

Safety Information

PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Product Contains: Electronics, Chemicals, Compressed Gas

Smart Control Features

The MRCOOL DIY Hybrid™ Air Handler comes equipped with the MRCOOL® Smart Wi-Fi Thermostat, offering intuitive climate control through a user-friendly touchscreen or the MRCOOL® mobile app. Adjusting your home\'s temperature is simple and convenient, whether you\'re relaxing at home or managing settings remotely. The system provides precise temperature control and monitoring capabilities for your 1,550 sq. ft. space.

Installation Advantages

This high-capacity ducted air handler offers exceptional installation flexibility with multi-position capability (upflow, downflow, horizontal left or right), making it adaptable to various home layouts. The built-in self-diagnostics panel simplifies troubleshooting by quickly identifying error codes and reducing downtime. The unit is designed for easy pairing with MRCOOL® DIY condensers for a complete DIY HVAC system solution. The included line set supports extended installations up to 246 feet.

Heating Options

For enhanced comfort during colder seasons, optional electric heat kits are available in multiple sizes (5kW, 8kW, 10kW, 15kW, 20kW) to provide reliable supplemental warmth and year-round versatility. The rugged painted galvanized steel cabinet ensures long-term durability and performance in various environmental conditions. The R-454B refrigerant offers high performance with reduced environmental impact.

Environmental & Efficiency Features

This powerful 3-ton unit uses R-454B refrigerant, an environmentally conscious option that provides high efficiency performance while minimizing environmental impact. With four fan speeds and electronic expansion valve control, the system optimizes energy usage while maintaining comfort levels throughout your 1,550 sq. ft. space. The higher heating capacity (37,000 BTU) ensures reliable warmth in larger areas.