Samsung WindFree™ Standard Heat Pump Outdoor Unit, 208 to 230 V, 8 A Cooling, 10.1 A Heating, 1.8 kW Cooling, 2.3 kW Heating, 60 Hz, 1 ph, 3 Fan Speeds, 15000 Btu/hr Heating, 15000 Btu/hr Cooling, 445 to 586 cfm Heating CFM Rating, 445 to 586 cfm Cooling CFM Rating, 12.95 EER Rating, 21.5 SEER, 10 HSPF, Flared Connection, Inverter Driven BLDC Rotary Compressor, R-32 Refrigerant, 1/4 in Liquid Line, 1/2 in Suction Line, 25 A Fuse Rating, Inverter Drive, 51 dBA Heating Sound Level, 51 dBA Cooling Sound Level, Steel, Galvanized/Powder-Coated, -5 to 75 deg F Heating Operating Temperature, 14 to 115 deg F Cooling Operating Temperature, 12-3/16 in Overall Length, 34-5/8 in Overall Width, 25-1/8 in Overall Height