Trane Gas Furnace Age Serial Number

In 2002 they started their serial numbers with the year it was built.

Trane gas furnace age serial number.

The letters a b c and o t u represent 1980 1981 1982 respectively for some trane products or models manufactured during this era. Each letter corresponds to a different year so you must be familiar with how to interpret the trane furnace date code. 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. Saturday june 23 2018.

Depending on the product type the letter may be the first or last character of the serial number. 1 2002 to present if the serial number is a 9 digit combination of letters and numbers that starts with a number then the first number is the year. In 2002 the first character of the serial number is 2 in 2003 3 and so on. This style appears to be the early beginnings of style 2 format above.

The first letter of the trane serial number lookup gives the year of manufacture and the next two numbers are the week. This trane serial number style was used from 1980 through 1982. See the small chart below. There are two serial number formats.

Models that range from the year 1983 to 2001 are coded with a letter.