Heat Sources
While the fans in fan heaters are electrically powered, several heat sources may be used.
- Electric elements are common, and used in portable plug-in electric heaters. Although they may supply several kilowatts of heat, such heaters are usually small as the electric element itself is small. Since heat is removed by the fan, the body of the heater does not need to be an effective heat sink.
- Hot water tubing is used where the heat is provided by a hydronic heating system.
- Gas, kerosene, and sometimes other fuels such as used engine oil are burnt in high-power fan heaters
Read more about this topic: Fan Heater
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