Samsung WindFree™ 2.0 Split System Outdoor Heat Pump, 208/230 V, 13.7/18.9 A, 60 Hz, 1 ph, 3 + Auto Fan Speeds, 27400 Btu/hr Heating, 21000 Btu/hr Cooling, 713 cfm Heating CFM Rating, 713 cfm Cooling CFM Rating, 12.5 EER Rating, 20 SEER, 10 HSPF, Flared Connection, BLDC Rotary Compressor, R-410A Refrigerant, 30 A Fuse Rating, 56 dBA Heating Sound Level, 56 dBA Cooling Sound Level, Wall Mounting, Steel, Baked-On Powder-Coated/Galvanized, -5 to 75 deg F Heating Operating Temperature, 14 to 115 deg F Cooling Operating Temperature, 13 in Overall Length, 37 in Overall Width, 39-1/4 in Overall Height