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MRCOOL DIY Select 18K BTU Wall Mounted Air Handler – White or Black
Product Overview
The MRCOOL® DIY® Select 18K BTU 230V Ductless Mini-Split Heat Pump Air Handler delivers efficient, reliable heating and cooling for spaces up to 800 square feet. Available in both white and black finishes, its sleek, modern design and compact form make it a natural fit for garages, attics, basements, bonus rooms, and similar-sized spaces. 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.
True DIY Installation
Designed within the MRCOOL® DIY® lineup, this system supports true do-it-yourself installation. The compatible Quick Connect® line set comes factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps or refrigerant handling. This significantly simplifies installation, saving time and reducing overall project costs.
The included 13-foot DIYPRO® cable further streamlines setup by replacing traditional electrical conduit while safeguarding wiring from moisture, pests, and everyday wear.
Smart Control & Comfort Features
Control your comfort easily with the included wireless remote or the MRCOOL® Comfort app, which allows you to adjust temperatures, set schedules, and monitor energy usage from anywhere. Compatibility with Amazon Alexa and Google Assistant enables convenient hands-free voice control.
Advanced features like Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling enhance comfort while optimizing efficiency. A Gold Fin® condenser coating adds corrosion resistance, making the system well-suited for humid or coastal environments.
Backed by a 2-year compressor warranty and 1-year parts warranty, the MRCOOL® DIY® Select 18K offers a reliable, cost-effective comfort solution.
Color Options
| Color | Model Number |
|---|---|
| White | DIYS-18-HP-WMAH-230A13-O |
| Black | DIYS-18-HP-B-WMAH-230A13-O |


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