Samsung Max Heat® Heat Pump Condensing Unit, FJM Series, 208-230 V, 36.5 A, 60 Hz Frequency, 1 ph, Number of Fan Speeds: 2, Heating BTU Rating: 31500 Btu/hr, Cooling BTU Rating: 31400 Btu/hr, Heating CFM Rating: 3320 cfm, Cooling CFM Rating: 3320 cfm, 14.55 EER, 23 SEER, 10.4 HSPF, Twin BLDC Rotary Inverter Compressor, R-410A Refrigerant, 1/4 in Liquid Line, 3/8 in, 1/2 in Suction Line, Heating Sound Level: 55 dBA, Cooling Sound Level: 52 dBA, Floor, Wall Mounting, Steel, Baked-On Powder-Coated/Galvanized, Heating Operating Temperature: -13 to 75 deg F, Cooling Operating Temperature: 14 to 114.8 deg F, 37 in Overall Width, 47-5/8 in Overall Height, Additional Information: 4-Port, 13 in D