Serial Number Age

Home › Air Conditioner age

How Old Is My Air Conditioner?

The serial number on your outdoor unit tells you when it was made. Pick the brand and type it in to see its age, how much life is left, and whether it likely uses the phased-out R-22 refrigerant.

Air Conditioner age decoder

Type it exactly as printed. Spaces and dashes don't matter.

Find your brand

The brand on the cabinet is not always the company that made it. Who makes what.

Where the serial number is

AIR CONDITIONERMODEL NO.SERIAL NO.5898F06044
Look for the line labelled Serial No., S/N or Ser. No.

On the outdoor unit (the condenser), look for the data plate on the side panel, often near the electrical box where the power cables go in. The indoor coil or air handler has its own plate with a different serial number.

How long does a air conditioner last?

Most air conditioners last 12 to 17 years. Yearly servicing, the local climate and how hard it works all move it within that range. Past 12 years, it is worth getting a replacement price before the unit fails, so you aren't forced into a rushed decision.

Air conditioners made before 2010 almost always use R-22. What that means if yours needs a repair.

Questions

How can I tell how old my air conditioner is?

Every air conditioner has a data plate with a serial number, and most makers hide the manufacture date inside it. Pick the brand and type the serial number into the decoder above. If the label prints a manufacture date, use that.

Where is the serial number on a air conditioner?

On the outdoor unit (the condenser), look for the data plate on the side panel, often near the electrical box where the power cables go in. The indoor coil or air handler has its own plate with a different serial number.

How long does a air conditioner last?

Typically 12 to 17 years.

Keeping an older air conditioner going