How To Tell Age of Trane Serial Number Unit

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

CodeYearCodeYear
O,A1980F1991
T1981G1992
U1982H1993
W1983J1994
X1984K1995
Y1985L1996
S1886M1997
B1987N1998
C1988P1999
D1989R2000
E1990Z2001
Trane Serial Number by Year

See Also

How to Find the Trane Tonnage from Model Number
How to Decode the Trane Model Number

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 packaged unit serial number

Trane Air Conditioner or Heat Pump

The serial number label is located on the top, right-rear of the outdoor unit.

trane air conditioner and heat pump serial number

Trane Furnace

The serial number label is located on the right or left panel of the furnace. (closet, attic, basement, garage)

trane furnace serial number

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.

About Mas Broto

Have been in the heating and air conditioning (HVAC) industry for over 20 years. He is person that will grow and thrive to learn more about the HVAC industry throughout his career. Mas Broto is also a blogger, who's dedicated to bringing you the best knowledge to get ahead in the game of life.