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Southeastern Mechanical Services, LLC service areas include Athens Al, Decatur AL, Hartselle Al, Somerville Al and Cullman AL.

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While thermostats help regulate heating temperature, the heat actually comes from the furnace. Furnaces are pieces of equipment that are usually found in the attic. They are responsible for introducing and maintaining indoor heat. Their value becomes more pronounced during winter.

Furnaces today are made up of two air systems. The first one includes the draft inducer fan motor, which introduces air into the gas burner, which can be fueled by either propane or natural gas. Sometimes electricity can also be used. The newly introduced air than creates warmth on the heat exchanger. However, since the heated air is toxic, it must be expelled outside the home. A small pipe connected to the furnace is then installed in the roof area. Before, the chimney did the job.

When the thermostat senses that the temperature has cooled, the cold air then goes through the return vent, passing through the heat exchanger, where is it heated before it goes back into the vent to warm the room. This process continues until the desired temperature is achieved and the furnace is automatically shut down.

Furnaces have to be maintained regularly so they always remain efficient. Furthermore, since air can contain dirt, it’s highly possible that the pipes can become clogged, forcing the furnace to require more power than it should.

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