Q:

What is a gas furnace?

A:

Quick Answer

A gas furnace is a part of a heating system, the purpose of which is to convert gas to heat. Gas furnaces are most commonly used in residential systems in cold weather climates.

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Full Answer

Gas furnaces are connected with home thermostats. When the temperature on the thermostat drops below a specific setting, the furnace's ignition is lit inside the combustion chamber, and a flame is created. The air in this chamber is then transferred to the heat exchanger where it is heated and driven through the air ducts to the various rooms of a home. Excess gases are vented outside the home.

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