Trane uses alpha codes in their serial numbers to determine the age year of manufacture. This HVAC company started this in 1987 with the letter B and skipped a couple of letters during the years. The first letter of the trane serial number lookup gives the year of manufacture and the next two numbers are the week .
In 2002 they started their serial numbers with the year it was built. In 2002 the first character of the serial number is 2, in 2003, 3 and so on. If the trane serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year.
Trane heating and air conditioning company again made changes in year 2010. The first two digits of trane serial number lookup age are the year. Check the year of ANSI rating elsewhere on the data plate to confirm.
Trane serial number nomeclatur includes:
- Manufacturing date (year, month, week, day)
- Manufacturing location
- Sequential number
Trane Serial Number Example and How to Determine the Age
This Trane serial number used in 1970’s
#1E-012345
1 = 1971
E = May
This Trane serial number began use in 1983
#P16-12BWAA
P = 1999
16 = week
This Trane serial number began use in 2002
#10161-KEDAA
10 = 2010
16 = fiscal week
1 = day
| Code | Year | Code | Year |
| O,A | 1980 | F | 1991 |
| T | 1981 | G | 1992 |
| U | 1982 | H | 1993 |
| W | 1983 | J | 1994 |
| X | 1984 | K | 1995 |
| Y | 1985 | L | 1996 |
| S | 1886 | M | 1997 |
| B | 1987 | N | 1998 |
| C | 1988 | P | 1999 |
| D | 1989 | R | 2000 |
| E | 1990 | Z | 2001 |
See Also
Trane Serial Number Location
Finding the serial and model number off of your Trane HVAC system can be very simple if you have a new unit. Start by looking the model number in your owner’s manual or any other book that came with your unit or after installation. If you don’t happen to have them handy, you’ll also find the Trane serial number printed right on the unit.
Trane Packaged Unit
The serial number label is located on the rear panel of the outdoor unit.
Trane Air Conditioner or Heat Pump
The serial number label is located on the top, right-rear of the outdoor unit.
Trane Furnace
The serial number label is located on the right or left panel of the furnace. (closet, attic, basement, garage)
Trane Indoor Coil
The serial number label is located on the front panel of the indoor coil unit. (with the furnace)
Trane Air Handler
The serial number label is located on the front panel of the indoor unit. (closet, attic, basement, garage)
Trane Thermostat
The model number label is located behind the front cover. (Remove from wall plate)
Trane Air Cleaner
The serial number label is located on the back of the door. (Next to furnace or air handler)
Trane Humidifier
The serial number label is located on the bottom of the unit. (near furnace or air handler)
Trane model numbers and serial numbers are needed to register a new product or look up an existing warranty. As your serial number includes some vital information about your unit age. Use our guide above to decipher your Trane serial number or ask your dealer for help.
If you have any issues with finding your serial number or determining what it means, don’t hesitate to contact the professionals HVAC guy. They will help you get the information you need and make sure you get the perfect solution for your Trane HVAC system.
