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 tell the age of an Airquest air conditioner, heat pump, or furnace from the serial number?
Thursday, April 4, 2019
The first two numbers, after a single letter, in the serial number are the year of manufacture of the unit. So the data plate below indicates that the condenser was manufactured in 1993.
Airquest is a line of HVAC products that was manufactured by Inter-City Products until 1999, when the company was acquired by International Comfort Products (ICP). Some versions of the serial number may be missing the initial letter at the beginning and, in that case, the year of manufacture is the 3rd and 4th numbers.
For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner? To determine the size in tons of an Airquest system, see our blog post How can I tell the size of an Airquest air conditioner of heat pump from the model number?
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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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