Samsung Hylex™ Inverter Driven Heat Pump Condensing Unit, 208 to 230 V, 33.2 A, 125 W, 60 Hz, 1 ph, 3 Fan Speeds, 14000 to 65000 Btu/hr Heating, 17700 to 59000 Btu/hr Cooling, 4414 cfm Heating CFM Rating, 4414 cfm Cooling CFM Rating, 9 EER Rating, 17.5 SEER, 10.5 HSPF, Twin BLDC Rotary Compressor, R-410A Refrigerant, 3/8 in Liquid Line, 3/4 to 1-1/8 in Suction Line, 40 A Fuse Rating, Inverter Drive, 58 dB Heating Sound Level, 56 dB Cooling Sound Level, Steel, Baked-On Powder-Coated/Galvanized, -13 to 75 deg F Heating Operating Temperature, 23 to 125 deg F Cooling Operating Temperature, 37 in Overall Width, 55-15/16 in Overall Height, Additional Information: 13 in D