MRCOOL® 24K MRCOOL® DIY Hybrid™ Air Handler R454B

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 R-454B 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.