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Daikin / Goodman family

How old is my Goodman air conditioner?

Enter the serial number from the label. The date comes from Goodman's documented serial rules, not a guess.

Look for “Serial No.” or “S/N” on the label. Spaces and dashes are fine.

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How to read a Goodman air conditioner serial number

Goodman, Amana and Daikin ducted systems made in Houston use an all-numeric serial: the first two digits are the year and the next two the month.

  • Year + month (all-numeric)

    Example: 0107415182 (Goodman) was made in July 2001. Goodman, Amana and Daikin ducted serials start with the year and month: "01" is 2001 and "07" is July.

Not decoded yet: Daikin ductless and VRV units don't encode the date in the serial; use the MFG. DATE on the plate. Older dashed Amana serials are not decoded.

Where to find the serial number

The rating plate is on the outdoor unit, usually on the side or back of the cabinet near the electrical disconnect or the refrigerant line connections.

Don't open the unit's panels to look for it. If the plate is faded, the indoor coil or the installer's paperwork may also list the model and serial.

Goodman air conditioner model numbers

If the brand name isn't visible on the label, the model number can help. Model numbers like these follow Goodman's published nomenclature:

How long does a air conditioner last?

A typical air conditioner lasts about 10–15 years. That's a general estimate: maintenance, usage, climate and installation all matter, and age alone doesn't tell you a unit's condition. Some manufacturer pages cite 15–20 years for well-maintained systems.

Range from NAHB / Bank of America, Study of Life Expectancy of Home Components (2007, archived copy) and Carrier: AC replacement.

Goodman air conditioner recalls

From the U.S. Consumer Product Safety Commission, checked 2026-09-29. A decoded result checks your model number against recalls live.

Questions

How can I tell how old my Goodman air conditioner is?
Find the serial number on the rating plate and enter it above. Goodman air conditioners use the Daikin / Goodman family serial format, which includes the manufacture date. For example, 0107415182 was made in July 2001: Goodman, Amana and Daikin ducted serials start with the year and month: "01" is 2001 and "07" is July.
Where is the serial number on a Goodman air conditioner?
The rating plate is on the outdoor unit, usually on the side or back of the cabinet near the electrical disconnect or the refrigerant line connections. Don't open the unit's panels to look for it. If the plate is faded, the indoor coil or the installer's paperwork may also list the model and serial.
How long does a air conditioner usually last?
A typical service life is about 10–15 years. That's a general estimate: maintenance, usage, climate and installation all matter, and age alone doesn't tell you a unit's condition.
Do Amana and Daikin air conditioners use the same serial format?
Yes. Goodman, Amana and Daikin use the same serial-number conventions (Daikin / Goodman family), so the same decoding rules apply.
How reliable is the result?
The Daikin / Goodman family rules come from documented sources, but they're in Beta while we check more real-world examples, so results are capped at medium confidence. If a serial doesn't match a documented format, we say so instead of guessing.

Same serial format: Amana air conditioner, Daikin air conditioner

Other Goodman equipment: furnace, heat pump

Sources

Rules last reviewed 2026-09-28. These rules are in Beta while we verify more real-world examples, so results are capped at medium confidence.

Manufacture dates are decoded from manufacturer serial-number conventions and available documentation. Serial formats can change. Verify critical equipment information with the manufacturer when necessary.