3.5 Ton Single Stage Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 14, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 10 lbs 5 oz, Type: Air, Dimensions: 38-1/2''H x 38''W x 34-1/4''D, Weight: 230 lbs