MRCOOL 24K MRCOOL® DIY Hybrid™ Air Handler

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. It uses R454B refrigerant, an environmentally conscious option that offers high performance with reduced environmental impact. For added warmth during colder months, an optional heat kit can be included for increased year-round comfort and versatility.

The unit also comes equipped with the MRCOOL® Smart Wi-Fi Thermostat, allowing easy control via the touchscreen or the MRCOOL® app. This smart feature makes it simple to customize your indoor climate and maintain optimal comfort with minimal effort, whether you’re home or away.

Backed by a 5-year parts warranty, the 24K MRCOOL® DIY Hybrid Air Handler combines energy efficiency, convenience, and reliability. It’s a cost-effective, modern upgrade for homeowners seeking greater control, performance, and peace of mind in their home HVAC systems.

Additional specifications

Documents

• Installation manual (PDF)
• Service manual (PDF)
• Brochure (PDF)
• Warranty (PDF)
• AHRI certificate (PDF)
• EnergyGuide label (PDF)

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.