Designed for medium to large rooms up to 1000 sq ft, this 18000 Btu ductless mini split delivers matched cooling and 18000 Btu heating output from a 32.1-inch wall head. An 18.1 SEER2 inverter and R32 refrigerant pair efficient performance with chassis heating that keeps the system running down to 5 F. WiFi, Alexa and Google Assistant integration cover seven modes, six fan speeds, 4D airflow and a 24-hour timer, with 23 dB indoor sound.