Your cookie preferences
We use cookies to remember your preferences and understand how shoppers use our site, helping us improve your shopping experience.
Read our privacy policyEnjoy reliable year-round comfort with the MRCOOL DIY 5th Generation 18,000 BTU Single Zone Wall Mount Mini Split Air Handler. Designed for use with a compatible outdoor condenser, this indoor unit delivers 18,000 BTU of heating and cooling for spaces up to 1,000 square feet. With R454B refrigerant, Wi-Fi and smartphone app capabilities, an included remote controller, and a DIY-friendly design, it provides convenient temperature control and simplified installation for your space.
MRCOOL offers a limited warranty of 2-Year Compressor / 1-Year Parts Warranty* when installed according to manufacturer guidelines.