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 the average life expectancy of a home security system?
Saturday, June 6, 2020
How long does a home security system last?
You can expect a home security system to last 12 to 20 years, with an average of 15 years. Although systems may remain functional at 20 years out, repair parts are often no longer available and upgrading to a new system with latest features becomes sensible. Also, see our blog post Can the smoke sensors in a home security/fire alarm system replace the smoke alarms required by the building code?
Here’s a bar graph comparing a security system life expectancy to other home technologies.
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 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 blog posts about HOME SAFETY:
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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