What is the average life expectancy of an attic fan?
Wednesday, January 1, 2020
You can expect an attic fan to last about 5 to 15 years, with an average of 10 years. But many seem to fail closer to the short end of that range, possibly due to the outdoor weather exposure, plus extreme heat in Florida attics in the summer. The two most common defects we find with attic fans are open wire splices and abandoned units with wiring disconnected long ago, as shown below.
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?
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To learn more about heating and air conditioning systems, see these other blog posts:
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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