Samsung WindFree™ Outdoor Evaporator Split System, 208 to 230 V, 1/2.8/5.2/1/3.4/9 A, 40 W, 60 Hz, 1 ph, 3 Fan Speeds, 2400 to 21000 Btu/hr Heating, 3000 to 13000 Btu/hr Cooling, 427 cfm Heating CFM Rating, 392 cfm Cooling CFM Rating, 15.5 EER Rating, 24.5 SEER, 10.5 HSPF, BLDC Rotary Compressor, R-410A Refrigerant, 3/8 in Liquid Line, 1/4 in Suction Line, 20 A Fuse Rating, 45 dB Heating Sound Level, 38 dB 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, 31-1/8 in Overall Width, 21-9/16 in Overall Height, Additional Information: 11-1/4 in D