4 ton split-system heat pump, Circuit Voltage: 460, Hertz: 60, Phase: 3, Type: air, Stage: single, Department Of Energy Guide SEER: 14, Refrigerant: R410A, Factory Charge: 143 oz, Connection Size: 3/8" x 7/8", Connection Type: sweat, Dimensions: 35"H x 33.75"W x 33.75"D, Weight: 227 lbs