Samsung Split System Outdoor Heat Pump, 208/230 V, 28.8/32 A, 60 Hz, 1 ph, 3 + Auto Fan Speeds, 54000 Btu/hr Heating, 48000 Btu/hr Cooling, 1271 cfm Heating CFM Rating, 1271 cfm Cooling CFM Rating, 8 EER Rating, 16.9 SEER, 8.8 HSPF, Flared Connection, Twin BLDC Inverter Driven Rotary Compressor, R-410A Refrigerant, 3/8 in Liquid Line, 40 A Fuse Rating, 58 dBA Heating Sound Level, 56 dBA Cooling Sound Level, Steel, Baked-On Powder-Coated/Galvanized, -4 to 75 deg F Heating Operating Temperature, 23 to 122 deg F Cooling Operating Temperature, 13 in Overall Length, 37 in Overall Width, 47-11/16 in Overall Height