2015 Wacker Neuson E1250G, Thaw 2500 Sq. Ft Standard, The E1250 thaws or cures up to 2,500 sq. ft. With accessories this heater will cure up to 7,500 sq. ft. Unit has a 74 gallon fuel tank that allows it to run up to 115hours at 87% efficiency. Unit comes with 5KW generator.