Samsung Max Heat® 3.0 Split System Outdoor Heat Pump, 208/230 V, 5.2/9 A, 60 Hz, 1 ph, 3 + Auto Fan Speeds, 11000 Btu/hr Heating, 9000 Btu/hr Cooling, 427 cfm Heating CFM Rating, 392 cfm Cooling CFM Rating, 15.5 EER Rating, 24.5 SEER, 10.5 HSPF, Flared Connection, BLDC Rotary Compressor, R-410A Refrigerant, 20 A Fuse Rating, 45 dBA Heating Sound Level, 45 dBA Cooling Sound Level, Wall Mounting, Steel, Baked-On Powder-Coated/Galvanized, -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