4 Ton Single Stage Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER2: 14.3, Stage: Single, Refrigerant: R454B, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 6 lbs 11 oz, Type: Air, Dimensions: 33-3/16''H x 28''W x 28''D, Weight: 197 lbs ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***