Natural gas furnaces are a common way of heating modern homes. They are relatively inexpensive to maintain; an annual inspection should cost between $50 and $100. And be sure to have a working carbon monoxide detector in your home, especially if your furnace is over 15 years old.
The average gas furnace will last about 20 years before needing to be replaced. If yours is over 15 years old consider having it replaced earlier than that. By doing this, you will avoid the chance of it breaking down in the middle of winter.
Extending Furnace Lifespan
You can help your gas furnace last longer by doing regular maintenance. Check the chimney and vent connector, oil the pumps, blowers and motors if necessary, and clean the blower blades. Also replace the filter monthly when your heat or air conditioning is on.
Have a professional look at your furnace if it is not working properly. Signs of problems include eye irritation while in the home, soot or carbon deposits in the burner, dust on the burner or a yellow rather than a blue flame.
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