Samsung Hylex™ Inverter Driven Heat Pump Condensing Unit, 208 to 230 V, 25.6 A, 125 W Power, 60 Hz Frequency, 1 ph, Number of Fan Speeds: 3, Heating BTU Rating: 13000 to 50000 Btu/hr, Cooling BTU Rating: 16500 to 45000 Btu/hr, Heating CFM Rating: 3531 cfm, Cooling CFM Rating: 3531 cfm, 11 EER, 19 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, 35 A Fuse, Inverter Drive, Heating Sound Level: 54 dB, Cooling Sound Level: 52 dB, Steel, Baked-On Powder-Coated/Galvanized, Heating Operating Temperature: -13 to 75 deg F, Cooling Operating Temperature: 23 to 125 deg F, 37 in Overall Width, 47-5/8 in Overall Height, Additional Information: 13 in D