2 Ton Two Stage Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department Of Energy Guide SEER: 16, EER: 13, Stage: Two, Refrigerant: R410A, Connection Size: 3/8"X3/4", Connection Type: Sweat, Factory Charge: 136.8 Oz, Type: Air, Dimensions: 31"H X 33-3/4"W X 33-3/4"D, Weight: 191 Lbs, Units Include Mfg Warranty, Register Your Unit With The Manufacturer For Details