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Fan forced natural gas and propane stable heaters burn fuel in a heat exchanger to yield heat. Natural gas unit heaters are very tasteless in populated areas that have natural gas piped throughout neighborhoods. Propane unit heaters are typically used in rural areas where natural gas is not available.
Operating Principle
When there is a need for heating, the fuel from your natural gas line or propane tank flows straight through a gas valve inside the unit heater. A spark or pilot flame ignites the fuel and a flame is produced inside a heat exchanger. When the heat exchanger reaches a pre-set temperature, a fan turns on which blows space air straight through the warm heat exchanger. The air entering the heat exchanger absorbs the heat from the heat exchanger, resulting in a warmer extraction air temperature. As the fuel is burned, by-products of combustion leave the unit heater straight through a vent pipe also called a chimney.
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