Electric Wall & Ceiling Unit Heater, Overall Height 16 in, Overall Width 21 in, Overall Depth 8 in, Air Flow 210 cfm, Air Temp. Rise 71 Degrees F, Voltage 208/240V AC, 1 Phase, Wattage Output 2.5kW/3.7kW, 3.3kW/5kW, Heating Method Fan Forced, Heating Capacity 11,372/17,065 BtuH, 8533/12,800, Mounting Location Ceiling, Wall, Horizontal Air Throw 12 ft, Frequency 60 Hz, Amperage 12A/17.8A, 13.8A/20.8A, Control Type Mechanical Selector Dial, Contactor Coil Voltage 240V AC, Housing Color Gray