Samsung Max Heat® Heat Pump Condensing Unit, Series: FJM Series, 208/230 V, 8.9/10 A, 60 Hz, 1 ph Phase, 28600 Btu/hr Heating, 28400 Btu/hr Cooling, 3320 cfm Heating CFM Rating, 13.5 EER Rating, 22.5 SEER, 10.4 HSPF, Inverter Twin BLDC Rotary Compressor, R-410A Refrigerant, 1/4 in Liquid Line, 3/8 in, 1/2 in Suction Line, 55 dBA Heating Sound Level, 52 dBA Cooling Sound Level, Steel, Finish: Galvanized/Powder-Coated, -13 to 75 deg F Heating Operating Temperature, 14 to 114.8 deg F Cooling Operating Temperature, 13 in Overall Length, 37 in Overall Width, 47-5/8 in Overall Height, Additional Information: 4-Port