MRCOOL DIY 18K BTU 1 Zone Ductless Mini Split Air Conditioner - 5th Gen

Heat and cool up to 750 sq ft with R-454B efficiency, app + voice control, and zero-hassle DIY installation in hours. Upgrade your home’s heating and cooling system with the 5th Gen MRCOOL DIY 18K BTU Single Zone Mini-Split Air Handler, designed for effortless DIY installation and year-round climate control in spaces ranging from 500 to 750 sq. ft. Engineered for efficiency, this system features advanced inverter technology, eco-friendly R-454B refrigerant, and smart home integration, ensuring superior comfort without the need for professional installation. Coverage Area Please refer to this coverage chart to determine the required BTUs for the area you wish to cool or heat. Square Feet: Up to 400 | BTU = 9K Square Feet: Up to 550 | BTU = 12K Square Feet: Up to 800 | BTU = 18K Square Feet: Up to 1050 | BTU = 24K Square Feet: Up to 1550 | BTU = 36K Note about condenser sizes versus total air handler capacity: The total capacity of the combined air handlers may exceed the capacity of t