Samsung Heat Pump Split System, 208-230 V, 24 A, 58 W, 60 Hz, 1 ph Phase, 3 Fan Speeds, 40000 Btu/hr Heating, 36000 Btu/hr Cooling, 830 cfm Heating CFM Rating, 830 cfm Cooling CFM Rating, 12 EER Rating, 20 SEER, Flared Connection, DC Inverter Twin Rotary Compressor, R-32 Refrigerant, 60 dBA Heating Sound Level, 60 dBA Cooling Sound Level, Steel, Finish: Galvanized/Powder-Coated, -13 to 75 deg F Heating Operating Temperature, 23 to 122 deg F Cooling Operating Temperature, 13 in Overall Length, 37 in Overall Width, 55-15/16 in Overall Height