Samsung Air Handler, 5500 to 23000 Btu/hr Cooling Capacity, 5500 to 30500 Btu/hr Heating, 18000 to 20000 Btu/hr, 208 to 230 V, 16 A, 410 W Wattage, 60 Hz, 1 ph, Inverter Driven, Twin BLDC Rotary Compressor, 636 cfm, Multi-Position, 12 EER Rating, 18 SEER, FNPT Connection, R-32 Refrigerant, 40 dBA Sound Level, 3/4 in Connection, 3 Speed, Steel, Finish: Galvanized, 64 to 90 deg F, 48-3/4 in H x 23-1/4 in W x 21 in D