The manufacturer’s date is imbedded in this data, and if you know where to look or whom to ask, you can extract it. Using it as a reference, write down the model number, serial number, and brand. In this case, take a digital snapshot of the plate. Easy!īut the manufacturer’s date may not be on the nameplate. (Sometimes the manufacturer’s date is abbreviated as MFR DATE.) If you find this, congratulations: you now know the “birth date” of your AC. Near the top of the nameplate you should see the manufacturer’s date as a month and year. On most units, the nameplate is fixed to the backside of the cabinet.

You’ll find a metal nameplate attached to it containing the system’s technical specs. Go to the outside cabinet of the air conditioning system. (Figuring out what to do afterwards is the tricky part!) Finding the Manufacturer’s Date of Your Air Conditioner Discovering the age of a cooling system is simple once you know how.

replace.” If you didn’t originally install the air conditioner, you may have no idea how long it’s been in your home. An AC’s age is a vital piece of info for choosing “repair vs. But you may not know how to go about “asking.” This can be a problem if you’re debating whether to replace the system before next summer.

You never need to worry about offending your air conditioner by asking its age. It’s not polite to ask people their age-unless they’re children, in which case they’ll probably tell you their exact age to half a year without you having to bring it up.

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