Samsung WindFree™ Max Heat® Heat Pump Split System, 208-230 V, 10 A, 27 W, 60 Hz, 1 ph Phase, 3 Fan Speeds, 12000 Btu/hr Heating, 12000 Btu/hr Cooling, 463 cfm Heating CFM Rating, 427 cfm Cooling CFM Rating, 14.1 EER Rating, 24 SEER, Flared Connection, DC Inverter Twin Rotary Compressor, R-32 Refrigerant, 46 dBA Heating Sound Level, 46 dBA Cooling Sound Level, Wall Mounting, Steel, Finish: Galvanized/Powder-Coated, -22 to 75 deg F Heating Operating Temperature, 0 to 115 deg F Cooling Operating Temperature, 11-1/4 in Overall Length, 31-1/8 in Overall Width, 21-9/16 in Overall Height