How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What is the average life expectancy of a bathroom exhaust fan?
Sunday, March 1, 2020
How long does a bathroom exhaust fan last?
You can expect a bathroom exhaust fan to last 9 to 12 years, with an average of 10 years. They do require cleaning annually, using a vacuum cleaner with a brush attachment, to remove the dust accumulation of the grille face, fan, and motor where accessible. The dust reduces fan life, makes operation noisier and less efficient, and the flammable dust can even start a house fire. Running the fan continuously will also reduce its lifespan.
Also, see our blog posts What is the code for bathroom ventilation? and Does a bathroom exhaust fan need to be GFCI protected by code? and When did the building code begin requiring bathroom vent fans to discharge to the exterior (not the attic or crawl space)? and How can I check to see if my bathroom exhaust fan is actually working and moving air? and My bathroom is stinky and humid even though it has an exhaust fan. What can I do to fix it? and What are the ventilation requirements for bathrooms and kitchens in mobile homes?
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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Here’s links to a collection of our other blog posts about “TOILETS”:
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMade, 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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