How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
Can I find the age of an air conditioner from the serial number?
Thursday, September 7, 2023
The year of manufacture is encoded in the serial number on the data plate of most brands of air conditioners, but not all. A few manufacturers require contacting their customer service department with the serial number to get date of manufacture. Go to our article How do I determine the age of my air conditioner? for a listing of major brands and how to figure out the age from the serial number.
And to figure out what all the other numbers listed on the condenser data plate mean, go to our blog post How do I understand the air conditioner or heat pump condenser label (data plate)?
To determine other key specs of your HVAC system, see one of these other blog posts:
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Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured homes, and the life expectancy rating of 195 home components. Available at amazon.com for $19.95.
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To learn more about heating and air conditioning systems, see these other blog posts:
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