Sized for compact rooms up to 450 sq ft, this 9100 Btu ductless mini split runs on a standard 115V circuit, making it easier to add to bedrooms, home offices or finished basements. The 20.5 SEER2 inverter pairs cooling with 9500 Btu heating and R32 refrigerant. WiFi, smartphone app and Alexa or Google voice support keep daily adjustments simple, and 4D auto-swing airflow, 23 dB indoor sound, 137 F self-cleaning and a washable filter support comfort.