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American StandardTrane Technologies

American Standard HVAC Age Lookup

Find the manufacture year of any American Standard AC, heat pump, or furnace. Same serial format as Trane.

Air ConditionerHeat PumpFurnaceAir Handler
Enter Serial Number
How to decode the serial number

American Standard is manufactured by Trane Technologies alongside Trane-branded equipment. The serial number format is identical to Trane.

1983 to Present
First two digits = year code (repeats every 20 years), third character = month letter.
13H7A1234567
PositionMeaningExample
1–2Year code — See Trane year table13
3Month — A=Jan through L=DecH
4+Sequence — Ignore7A1234567
Use the same year and month tables as Trane.
Year Code Table (same as Trane)

Code repeats every 20 years.

031983 / 2003
041984 / 2004
051985 / 2005
061986 / 2006
071987 / 2007
081988 / 2008
091989 / 2009
101990 / 2010
111991 / 2011
121992 / 2012
131993 / 2013
141994 / 2014
151995 / 2015
161996 / 2016
171997 / 2017
181998 / 2018
191999 / 2019
202000 / 2020
012001 / 2021
022002 / 2022
Month Code (same as Trane)

Third character of serial number.

A=January, B=February, C=March, D=April, E=May, F=June, G=July, H=August, I=September, J=October, K=November, L=December

ABCDEFGHIJKL
Where to find the serial number
  • Data plate is on the side panel of outdoor units, or inside the cabinet door for furnaces.
  • Serial number format is identical to Trane — two digit year code + month letter.
Decoded examples
17H5B1234567
→ 2017, August
17 = 1997 or 2017, H = August
12D3A9876543
→ 2012, April
12 = 1992 or 2012, D = April
Life expectancy
Expected lifespan: 15–20 years. American Standard is a premium brand equivalent to Trane.
Common questions
Yes. American Standard and Trane are both manufactured by Trane Technologies at the same factories. The equipment is mechanically identical with different branding. American Standard is sold through independent dealers while Trane has a more exclusive dealer network.
Use the same method as Trane — first two digits are the year code (repeating every 20 years), and the third character is the month (A=Jan through L=Dec).
Related brands
Trane
Trane Technologies
✓ Your unit appears to be within normal service life. HVAC systems typically last 15–20 years with proper maintenance. Keep up with annual tune-ups and filter changes to maximize lifespan.
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