Boilers are used in a variety of industries for producing heat and energy. Many boiler applications will burn fuel readily available on site, such as byproduct from the given process. An example of this is Bagasse, which is a fibrous matter that remains after sugarcane is processed to extract their juices. The bagasse is a biofuel used for many boiler applications. Fans in boiler applications are forced draft (FD), induced draft (ID), over fire air (OFA) and combustion air.