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A Guide to How a Furnace Works

A furnace works through heating cycles to ensure the air is thoroughly and properly heated. A pipe connects gas to your furnace either from underground pipes or your LPG gas, which is normally placed outside the house. The burner lights the gas as it enters the furnace. Cold air is sucked into the furnace from your home. The cold air is then warmed in the heat exchanger, which is composed of a series of sheets.
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