Samsung Novus Single-Zone Split System Outdoor Unit, Model: AR18, 208 - 230 V, 3.3/7.8/8.9 A Cooling, 3.3/8.9/12.6 A Heating, 0.66 kW Cooling, 0.65 kW Heating, 60 Hz, 1 ph, 3 Fan Speeds, 19000 Btu/hr Heating, 18000 Btu/hr Cooling, 2048 cfm Condenser, 425 to 635 cfm Evaporator Heating CFM Rating, 12 EER Rating, 20 SEER, 9.5 HSPF, Flared Connection, BLDC Rotary Compressor, R-410A Refrigerant, 25 A Fuse Rating, Inverter Drive, 60 dBA Heating Sound Level, Wall Mounting, Steel, Galvanized/Powder-Coated, Twilight White, 5 to 75 deg F Heating Operating Temperature, 14 to 115 deg F Cooling Operating Temperature, 12-1/16 in Overall Length, 35-1/2 in Overall Width, 25-9/16 in Overall Height, Additional Information: RAC Classification, 2015 Version, AR3000 Design, AR18 Model Number