Samsung WindFree™ Standard Heat Pump Split System, 208-230 V, 10 A, 27 W, 60 Hz, 1 ph Phase, 3 Fan Speeds, 12000 Btu/hr Heating, 12000 Btu/hr Cooling, 413 cfm Heating CFM Rating, 378 cfm Cooling CFM Rating, 13.25 EER Rating, 24 SEER, DC Inverter Twin Rotary Compressor, R-32 Refrigerant, 46 dBA Heating Sound Level, 46 dBA Cooling Sound Level, Wall Mounting, Steel, Finish: Galvanized/Powder-Coated, -5 to 75 deg F Heating Operating Temperature, 14 to 115 deg F Cooling Operating Temperature, 11-1/4 in Overall Length, 31-1/8 in Overall Width, 21-9/16 in Overall Height