Samsung Single Zone Heat Pump Split System Outdoor Unit, Duct S Series, 208 to 230 V, 32 A, 244 W, 60 Hz, 1 ph, 54000 Btu/hr Heating, 47000 Btu/hr Cooling, 1554 cfm Heating CFM Rating, 1554 cfm Cooling CFM Rating, 11.7 EER Rating, 18 SEER, 9.5 HSPF, Pipe Connection, Inverter Driven, Twin BLDC Rotary Compressor, R-32 Refrigerant, 62 dB Heating Sound Level, 62 dB Cooling Sound Level, Steel, Galvanized/Powder-Coated, -13 to 75 deg F Heating Operating Temperature, -4 to 122 deg F Cooling Operating Temperature, 37 in Overall Length, 13 in Overall Width, 55-7/8 in Overall Height