LG, LAU150HYV3, Heat Pump Outdoor Unit, 18000 Btu/hr Heating, 15000 Btu/hr Cooling, 208/230 V AC, 1 ph, 60 Hz Power Source, 389/495/813 cfm Flow Rate, 15 EER, 25 SEER, 13.5 HSPF, Twin Rotary Compressor, R-410A Refrigerant, 3/8 in Suction Line, 19 A Fuse, 56 dBA Sound Level, 164 ft Maximum Piping Length, Wall Mounting, 32-3/4 in H x 37-13/32 in W x 13 in D Dimensions