How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
What is life expectancy of whole house surge protector?
Wednesday, April 15, 2020
How long does a whole house surge protector last?
You can expect a whole house surge protector to last between 2 and 5 years. Because a surge protector’s functional lifespan is measured by the cumulative total of the number and size of the surges it absorbs, not years, any lifespan estimate is going to be a wide range. We are assigning an average lifespan of 3 years but, again, time is not the key factor. To find out the key features to look for when buying one, go to our blog post How do I find the right whole house surge protector?
And here’s a graph comparing the life expectancy of a whole house surge protector to other electrical components in a home.
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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