Air heaters as the name suggest are the devices that are used to heat air. All types of radiant, space and forced air products are examples of these types of heaters.  Forced air products are used to moderate and control the flow of hot air by circulating air past a heat source with a heat or blower. The air current flowing through the heater absorbs the heat energy that is being generated and as a result the air that comes out has a higher temperature. Radiant heater uses the oldest form of heating known to man. They transfer infra-red energy which in turn is converted into heat when absorbed by…