3.5 Ton Split-System Heat Pump Volts: 208-230V, Hertz: 60, Phase: 1, Department Of Energy Guide Seer: 16, Stage: Single, Refrigerant: R-410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 11 Lbs 4 Oz, Type: Air, Dimensions: 36-3/8"H X 29"W X 29"D, Weight: 226Lbs Up To A 5 Year Manufacturer Supported Parts Warranty. Register Your Unit With The Manufacturer For More Details Regional Efficiency Standards Are Now In Effect. Make Sure You Adhere To All National, State, And Local Efficiency Standards In Effect In Your Region