If you’re struggling to keep every room in your home consistently comfortable - especially newly finished basements, garage workshops, or bonus rooms - there’s finally a smart, flexible solution that bridges the gap between ducted and ductless HVAC systems.
The MRCOOL® DIY Hybrid™ Air Handler brings the power of MRCOOL®’s trusted DIY® technology into a fully ducted configuration, delivering expanded comfort possibilities without major renovations or complicated installs. Whether you're a contractor looking for new ways to meet customer needs or a homeowner eager for efficient, customizable whole-home climate control, the DIY Hybrid™ system offers a game-changing alternative.
Hybrid Capabilities, Heightened Comfort

Designed with both performance and adaptability in mind, the MRCOOL® DIY Hybrid™ Air Handler is perfect for replacing an older 2 or 3 ton split system. It delivers consistent heating and cooling throughout the home while offering the same signature simplicity that has made the MRCOOL® DIY® lineup a go-to choice for contractors and homeowners alike.
The DIY Hybrid™ is especially valuable for homes that need climate control in areas where traditional ducted systems can’t easily reach, as it combines ducted power with ductless flexibility. While the DIY Hybrid™ covers the main house, a DIY® ductless air handler can heat or cool an additional space, all while being connected to the same DIY® multi-zone condenser. Whether someone is turning a garage into a gym, converting a sunroom into a year-round retreat, or finally upgrading a previously unused attic, this system lets them do it all without expensive ductwork expansions. That means more comfort, more control, and more space in your home.
Simple Comfort Throughout Your Whole Home
The secret to the MRCOOL® DIY Hybrid™ Air Handler’s versatility lies in its smart design. It’s a fully ducted system that maintains the ease of installation the MRCOOL® brand is known for. Instead of requiring extensive HVAC expertise or specialized tools, this unit utilizes patented pre-charged DIY® Quick Connect® line sets, simplifying the installation process and reducing labor costs. The unit is compatible with 2 or 3 ton applications, making it an ideal fit for many medium-sized residential projects.
Contractors will appreciate how seamlessly this unit fits into replacement and retrofit jobs. It adapts easily to most home layouts and is engineered to perform with the reliability and efficiency modern customers expect. The DIY® condenser's inverter technology enables the Hybrid™ Air Handler to deliver quiet, consistent temperature control while helping reduce energy consumption over time. When combined with the air handler’s DC blower motor, this allows customers to enjoy better comfort without worrying about skyrocketing utility bills.

Alongside its quiet operation and simplified installation, this unit uses R-454B refrigerant, ensuring peak operation and eco-friendliness. The DIY Hybrid™ is especially versatile, as it can be installed to accommodate four different airflow requirements, depending on the needs of your home. On top of these and many other features, the unit comes with a MRCOOL® Smart Wi-Fi Thermostat, for ultimate control over your comfort. The DIY Hybrid™ is a perfect comfort solution for anyone looking to upgrade their whole-home system, while still accommodating additional spaces without ductwork.
Comprehensive Sizing, Complete Comfort
From a sales perspective, the DIY Hybrid™ practically sells itself. It’s a product that appeals to a wide range of homeowners, especially those interested in DIY upgrades, energy efficiency, or cost-effective remodels. For dealers and contractors, this is more than just another piece of equipment. It’s a chance to offer a smart solution that fits more use cases, solves more comfort challenges, and helps close more deals.
The most popular size, the 36K DIY Hybrid™ Air Handler, is in stock and available now. This unit is the perfect starting point for contractors looking to expand their product offerings or for homeowners eager to upgrade their HVAC system before peak heating season. MRCOOL® also has a 24K model, allowing for even more flexibility. Offering both sizes ensures that contractors and dealers are ready to meet a wider range of customer needs with confidence.
Built For the Future

Whether you’re a longtime MRCOOL® installer or new to the DIY® product family, the DIY Hybrid™ Air Handler is designed to make your job easier and your customers happier. Its ability to blend ducted power with ductless versatility fills a major gap in the market, helping you address comfort concerns in spaces that were previously difficult or costly to condition. It also reinforces the MRCOOL® brand promise - making professional-quality comfort more accessible, more customizable, and more achievable than ever.
From retrofit upgrades to new home improvements, this unit empowers both professionals and homeowners to get more out of every square foot. With the MRCOOL® DIY Hybrid™ Air Handler, the future of flexible comfort is here. We’re not just offering another HVAC system - we’re offering a smarter way to live, work, and relax in every room.
Comfort Made Simple
Explore the complete line of MRCOOL® HVAC systems at MRCOOL.com, and to connect with a dealer or retailer near you, visit our Locations Map. You deserve to enjoy comfort that meets your specific needs. You deserve the MRCOOL® DIY Hybrid™ Air Handler.