3 Ton Convertible Natural Gas/Electric Packaged Unit, Voltage:460, Hertz:60, Phase:3, RLA:5.6, LRA:38, Airflow:Convertible, AFUE:81,SEER:13, BTU Input:80,000, BTU Output:64,800, Refrigerant:R410A, CFM:1200, Supply Dims:19-1/8" X 12-1/4", Return Dims:12-1/4" X 19-1/8", Overall Dims:35"H X 76"W X 48"D, Weight:527Lbs, Origin:USA,Refer To Policies/Terms & Conditions For 2015 Federal Regional Standards For 13 SEER Heating And Cooling Products