Tosot's 9,000 BTU Mini-Split Air Conditioner features advanced inverter technology that will adjust the running speed of the compressor to achieve the set temperature without wasteful cycling. This AC/heater combo model is perfect for all-seasons in your home and business. It is WiFi-enabled, allowing for convenient temperature and fan control from your phone or with the included remote control. Ideal for spaces up to 450 Sq. Ft., this mini-split A/C has a SEER2 rating of 20.