How old is my Carrier?
Find the age of your Carrier equipment using its serial number or a photo of the rating label. Supported date codes vary by product family and era; a result may show more than one possible year.
Age estimates available for matching formats
A decoder is available for some formats. We are reviewing supporting evidence and samples; confirm estimates against the data plate or manufacturer.
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- Find the rating label. Where to look on each kind of appliance.
- Take a photo of the whole label, or note the model and serial numbers.
- Use the lookup below. It is free, and no account is needed. A date is shown only when the available evidence supports it.
Carrier serial number: production week and year
Carrier HVAC week/year serial format · Sources checked October 12, 2026
A documented Carrier format places the production week in serial positions 1–2 and the year in positions 3–4. The following letter identifies the manufacturing location; it is not a month letter.
Read the serial from the unit rating plate. A furnace and its outdoor cooling unit can have different manufacture dates, even when they were installed together.
A masked date-code example
4810P•••••
In this format, 48 is the fiscal production week and 10 is the year 2010. This gives a week, not an exact calendar day.
The cited manual covers the 38AU condensing-unit family. Older and other Carrier families can use different formats; check the model before applying the example.
Carrier appliances
How to find the age, the serial number, typical life and parts for each:
- Carrier furnace15–25 yrs
- Carrier boiler15–30 yrs
- Carrier air conditioner12–17 yrs
- Carrier heat pump10–15 yrs
- Carrier dehumidifier5–8 yrs
Beyond furnaces, boilers, central air conditioners and heat pumps, Carrier sells ductless systems, packaged units, air handlers, evaporator coils, geothermal systems, thermostats, and air-quality add-ons such as purifiers, humidifiers, ventilators and whole-home dehumidifiers.
About Carrier
Carrier is the flagship residential heating and cooling brand of Carrier Global, the company that grew out of Willis Carrier's early air-conditioning work. Its home range spans furnaces, central air conditioners, heat pumps and boilers, sold and installed through independent dealers in the U.S. and Canada.
- Owned by
- Carrier Global
- Headquarters
- Palm Beach Gardens, Florida, USA
- Founded
- 1915
- Product lines
- Infinity, Performance, Comfort
Sister brands: Bryant, WeatherMaker, Heil, Tempstar, Comfortmaker, Arcoaire, KeepRite, Day & Night, Airquest, Viessmann, Payne (now WeatherMaker).
Carrier history
- 1915: Willis Carrier and partners formed the company in Syracuse, New York.
- 1955: Carrier merged with Affiliated Gas Equipment, bringing in the Bryant, Day & Night and Payne names.
- 1979: United Technologies Corporation bought Carrier.
- 1999: Carrier agreed to buy International Comfort Products, adding Heil, Tempstar, Comfortmaker, Arcoaire and KeepRite.
- 2020: Carrier was spun off from United Technologies as a stand-alone public company and moved its head office to Florida.
- 2023: Carrier announced it would buy the climate solutions business of Germany's Viessmann.
Carrier recalls
Every Carrier check is compared with Health Canada, U.S. CPSC and U.S. NHTSA recall notices.
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