3 Ton Two Stage Modulating Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 16, Stage: Two, Refrigerant: R410A, Connection Size: 3/8"X3/4", Connection Type: Sweat, Factory Charge: 7 lbs 2 oz, Type: Air, Dimensions: 39-1/2''H x 29-1/4''W x 29-1/4''D, Weight: 204 lbs