18,000 BTU Single-Zone Outdoor Inverter Heat Pump, Volts: 208-230, Hertz: 60, Phase: 1, Department Of Energy Guide SEER2: 20, Refrigerant: R-32, Connection Size: 1/4"x1/2", Connection Type: Flare, Metering Device: EEV, Max. Cooling BTU: 20,000, Max. Heating BTU: 22,600, Factory Charge: 34.6 oz, Dimensions: 21-3/5''H x 34-1/2''W x 15-2/5''D, Weight: 66.1 Lbs, Remote Included: No ***Indoor Unit #AJAN18HP230V1CH (Not Included)*** **A2L Sensor Not Required for This System**