Samsung Single Zone Heat Pump Split System Outdoor Unit, Duct S Series, 208 to 230 V, 31.9 A, 244 W, 60 Hz, 1 ph, 54000 Btu/hr Heating, 48000 Btu/hr Cooling, 1554 cfm Heating CFM Rating, 1554 cfm Cooling CFM Rating, 8.7 EER Rating, 17.3 SEER, 8.7 HSPF, Pipe Connection, Inverter Driven, Twin BLDC Rotary Compressor, R-32 Refrigerant, 56 dB Heating Sound Level, 58 dB Cooling Sound Level, Steel, Finish: Galvanized/Powder-Coated, -4 to 75 deg F Heating Operating Temperature, 0 to 122 deg F Cooling Operating Temperature, 37 in Overall Length, 13 in Overall Width, 47-5/8 in Overall Height