18,000 BTU Single-Zone Outdoor Heat Pump, Volts:208-230, Hertz:60, Phase:1, Department Of Energy Guide SEER:15, EER:9, Refrigerant:R-410A, Connection Size:1/4"X1/2", Connection Type: Flare, Metering Device: EEV, Cooling BTU's:18000, Heating BTU's:19000, Dimensions:27-9/16"H X 38"W X 15-5/8"D, Weight:95.9Lbs, In Mfg Box, Made In China Indoor Unit M4MHW1518A1N0B (Not Included)