MRCOOL 24,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-24-HP-MUAH-230D25-O

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MRCOOL 24,000 BTU DIY Hybrid™ Multi-Position Air Handler | R-454B - DIY-24-HP-MUAH-230D25-O

Summary

The 24K MRCOOL® DIY Hybrid™ Air Handler is a smart, flexible solution for heating and cooling spaces up to 1,000 square feet. Designed for easy pairing with MRCOOL® DIY condensers, it allows for a seamless, do-it-yourself installation—ideal for replacing older HVAC systems. Its painted galvanized steel exterior ensures durability and long-lasting performance, while the built-in self-diagnostics panel simplifies troubleshooting by quickly identifying error codes and reducing downtime. This air handler supports multiple installation configurations—including upflow, downflow, and horizontal left or right—making it adaptable to a variety of home layouts.

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 24K DIY Condenser.

What\'s Included

• 24,000 BTU Multi-Position Air Handler (Model DIY-24-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)


• Electronic Expansion Valve (EEV) for precise control


• Energy Star Certified


• 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

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, allowing easy control via the touchscreen or the MRCOOL® app for iOS and Android devices. This smart feature makes it simple to customize your indoor climate and maintain optimal comfort with minimal effort, whether you\'re home or away. The unit provides precise temperature control and monitoring capabilities.

Installation Advantages

This 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 installations up to 164 feet.

Heating Options

For added warmth during colder months, optional heat kits are available in multiple sizes (5kW, 8kW, 10kW, 15kW) to provide increased year-round comfort and versatility. The painted galvanized steel exterior ensures durability and long-lasting performance in various environmental conditions. The R-454B refrigerant offers high performance with reduced environmental impact.

Environmental & Efficiency Features

This Energy Star certified 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 1,050 sq. ft. space.