18,000 BTU Single-Zone Outdoor Inverter Heat Pump, Volts: 208-230, Hertz: 60, Phase: 1, Department Of Energy Guide SEER2: 26.3, EER2: 13.6, Refrigerant: R-32, Connection Size: 1/4"x1/2", Connection Type: Flare, Metering Device: EEV, Max. Cooling BTU: 20,100, Max. Heating BTU: 25,600, Factory Charge: 2 lbs 12 oz, Dimensions: 24-7/8''H x 31-7/16''W x 11-7/16''D, Weight: 84 Lbs, Remote Included: No ***Indoor Unit #AUUH18KUAS Not Included*** **A2L Sensor Not Required for This System**