LG HVAC 1-Zone Heat Pump Outdoor Unit, 208/230 V, 24.2 A, 3.8 kW Cooling, 4 kW Heating, 60 Hz, 1 ph, 37000 Btu/hr at 17 deg F, 32000 Btu/hr at 5 deg F, 24000 Btu/hr at -4 deg F Heating, 42000 Btu/hr Cooling, 1260 cfm High, 1100 cfm Medium, 1000 cfm Low Cooling CFM Rating, 11.05 EER Rating, 17 SEER, 10 HSPF, Twin Rotary Compressor, R-410A Refrigerant, 3/8 in Liquid Line, 5/8 in Suction Line, ECM Drive, 54 dBA Heating Sound Level, 52 dBA Cooling Sound Level, -4 to 64 deg F Heating Operating Temperature, 5 to 118 deg F Cooling Operating Temperature, 13 in Overall Length, 34-13/32 in Overall Width, 54-11/32 in Overall Height