3 Ton Gas/Electric Packaged Unit, Airflow: Convertible, Volt;460, Hertz: 60, Phase;3, SEER;13, Refrigerant;R410A, Gross Cooling Capacity Btu: 37,000, AFUE: 80, Heating BTU Input: 80,000, Heating BTU Output: 64,800, Supply Dims: 13-3/4" X 15", Return Air Dims: 13-3/4" X 19-1/4", Unit Dims: 35-15/16"H X 47-1/2"W X 52-7/16"D, Weight: 449Lbs,Origin:USA, Refer To Policies/Terms & Conditions For 2015 Federal Regional Standards For 13 SEER Heating And Cooling Products