Finned tubular air duct heaters used to process air in industrial heating applications and to temper forced air in a number of industrial processes. the heater can come in a number of different wattages. this will largely dependent on the outlet of air temperature and the velocity of the air coming through inside the duct heaters. the tubular heating elements that are used in duct heaters are important in a number of ways, primarily in terms of its strength.
