Chat
What Size MRCOOL Mini Split Do I Need?
MRCOOL Mini Split Line Set Length Limits
The MRCOOL® DIY® Select 9K BTU 115V Ductless Wall Mounted Air Handler delivers efficient, dependable heating and cooling for spaces up to 400 square feet. Available in both white and black finishes, its sleek, modern design and compact form make it a natural fit for bedrooms, home offices, studios, garages, and other small living areas. Whether enhancing an existing room or adding comfort to a new space, it provides consistent year-round performance while helping reduce energy usage and utility costs.
Engineered as part of the MRCOOL® DIY® lineup, this system is built for true do-it-yourself installation. It pairs with Quick Connect® line sets that come factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps, specialized tools, or refrigerant handling. This significantly simplifies installation, saving time and reducing overall project costs. The included 13-foot DIYPRO® cable further streamlines setup by removing the need for electrical conduit while protecting wiring from moisture, pests, and outdoor exposure.
Control is simple and flexible with the included wireless remote or the MRCOOL® Comfort app, allowing users to adjust settings, create schedules, and monitor energy use from anywhere. Voice control compatibility with Amazon Alexa and Google Assistant adds convenience. Comfort features like Dry Mode, Sleep Mode, and Auto Mode help maintain a balanced indoor environment while optimizing efficiency.
This system is made for long-term durability with a Gold Fin® condenser coating that delivers added corrosion resistance for reliable performance in humid or coastal climates. Backed by a 2-year compressor warranty and 1-year parts warranty, it offers a reliable, cost-effective comfort solution.