Gas IR Heaters Gas IR heaters operate when gas and air mix and are combusted. The flame
(or mixture) heats the material that eventually emits the IR radiation. Technologies
primarily differ in the type of emitters employed.
IR Heaters Electric IR heaters generate radiation when they pass a current through
an electrical resistance element (filament) which heats the material surrounding
it and then radiates energy to the workload. Electric heaters are typically classified
by the range of IR wavelengths they emit: short, medium, and long.