What is the average life expectancy of a gas furnace?
Sunday, December 29, 2019
You can expect a gas furnace to last about 15 to 22 years, with an average of 19 years. Regular maintenance is the most important factor for long life.
Go to our blog post What is the average lifespan of the parts of a house? for rating of other house components. To understand the basis, potential use, and limitations of lifespan ratings, see our blog post How accurate are the average life expectancy ratings of home components? Are they actually useful?
To learn more about gas furnaces, click on any of the links below to our other blogs on the subject.
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMae, and our own professional experience. Because of the numerous variables that can affect a lifespan, they should be used as rough guidelines only, and not relied upon as a warranty or guarantee of future performance.
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