Samsung Max Heat® 2.0 Split System Outdoor Heat Pump, 208/230 V, 11.2/17.1 A, 60 Hz, 1 ph, 3 + Auto Fan Speeds, 20600 Btu/hr Heating, 18000 Btu/hr Cooling, 600 cfm Heating CFM Rating, 579 cfm Cooling CFM Rating, 13 EER Rating, 21 SEER, 10 HSPF, Flared Connection, BLDC Rotary Compressor, 30 A Fuse Rating, 51 dBA Heating Sound Level, 51 dBA Cooling Sound Level, Wall Mounting, Steel, Baked-On Powder-Coated/Galvanized, -13 to 75 deg F Heating Operating Temperature, 0 to 115 deg F Cooling Operating Temperature, 12-3/16 in Overall Length, 34-5/8 in Overall Width, 31-7/16 in Overall Height