LG, LVN181HV4, Vertical Air Handling Unit, 20000 Btu/hr Heating, 18000 Btu/hr Cooling, 208/230 V AC, 1 ph, 60 Hz Power Source, 640 cfm Flow Rate, 13.30 EER, 19.2 SEER, 10.4 HSPF, Twin Rotary Compressor, R-410A Refrigerant, 5/8 in Suction Line, 1.1 A Fuse, 52 dBA Sound Level, 164 ft Maximum Piping Length, Floor Mounting, 32-27/32 in H x 37-13/32 in W x 13 in D Dimensions