How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
How do I determine the age of my air conditioner?
Friday, December 13, 2019
The date of manufacture is encoded in the serial number on the data plate of almost all air conditioners. Go to the outside unit (condenser) and look for the metal plate or sticker on the side with the manufacturer’s data. Each manufacturer has their own system. Sometimes it’s the first two numbers, or second two numbers, or second and fourth, or even a letter code. Find your brand in the list below and click on it to go to the page with specific instructions for determining when your unit was produced, with actual data plate examples.
Affinity Airdach Aire-Flo Airquest AirTemp
Allied Air Amana American Standard
Ameristar Aquatherm Arcoaire
Armstrong Aspen Bard BDP Broan
Bryant CAC/BDP Carrier Champion
ClimateMaster Coleman Coleman-Evcon
Comfort Pack Comfortmaker Concord
Cumberland Daikin Daizuki Day & Night
DiamondAir Ducane DuctlessAire EcoTemp
Fedders First Co. FHP (Florida Heat Pump)
Friedrich Fujitsu Frigidaire
General Electric (GE) Gibson Goodman
Grandaire Gree Guardian Haier Heil
International Comfort Products (ICP)
Intertek ETL Inter-City Products Janitrol
Johnstone KeepRite Kelvinator
Kenmore Lennox Lennox mini-split
LG Luxaire MagicAire Magic Chef
Magic-Pak Maytag Midea Miller
Mitsubishi MrCool National Comfort
Nordyne Nortek NuTone Oxbox
Panasonic Pioneer Payne
RADCO Stylecrest Revolv Rheem
Ruud RunTru Samsung Sanyo
Sears Kenmore Senville Singer
Tappan Tempstar Thermal Zone
Trane Unitary Products
U.S. A/C Products. WeatherKing
Westinghouse Xenon York
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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