How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
How can I determine the age of a Mitsubishi Ductless Mini-Split heat pump from the serial number?
Friday, June 29, 2018
The first digit of the serial number is the last digit of the year for Mitsubishi. So “6” could be “2006” or “2016,” and you would need to look at the condition of the unit, and/or the date of the ANSI code at the upper part of the data plate, to determine which one. Here’s a recent example from an air handler manufactured in 2007.
And the data plate from the condenser unit for the same system, which was manufactured in 2008.
And this is another example of a system manufactured in 2020. Although it also has a single letter in the serial, you use the same first digit system for age. We knew that was 2020, and not 2010, because it was at a new house. But the ANSI Code date was 1995—so that was not much help in sorting it out.
For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner? For the size of a Mitsubishi unit, see What size in tons is a Mitsubishi air conditioner or heat pump from model number?
To find the age of other home components, go to How can I find out the age of a roof? and How do I determine the age of an electrical panel? and How do I determine the age of my water heater? For life expectancies, visit What is the average life expectancy of the components of a house?
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To learn more about heating and air conditioning systems, see these other blog posts:
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