16 SEER: 21000 BTU Dual Zone Ductless Mini Split air conditioner. With 1.75 Tons of total Capacity, this ductless mini split air conditioner can cool 2 seperate zones at 12000 and 9000 BTU's for a total coverage area of 850 ft² (350 + 500 ft²). Each zone has its own thermostat settings and variable mode controls. 16 SEER coupled with Inverter technology provides benefits of low operation temps, max energy efficiency Pre-charged with freon and includes digital remotes with complete install kit x 2