Electric Heat Coils are used in modular housings or in ductwork applications. Electric heat coils are used for tempering make-up air for installations requiring frequent air changes. The units are rated up to 257KW with voltages and phases to meet all electrical requirements. Air volume range is 400 - 22,000 CFM and up to 3" wg @ standard air density, depending on the heating requirements. The heaters are intended for indoor or outdoor installations in commercial kitchens, factories, foundries and similar commercial and industrial occupancies.