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