If you have a York Air Conditioner or Air Handler/Heater, use this guide to find the year of manufacture.
Related articles: A/C unit lifespan. What is HVAC?
York AC Age
The age of a York AC unit can be determined from the serial number on the label. There are two main styles of serial numbers to determine the age.
Serial Number Style 1: AC Units 2004 & Newer
In the image above, the serial number reads letter, number, letter, number. The first and second numbers are the last two digits of the year of manufacture. So in the case above, W1L6029995 would be manufactured in 2016.
To find the month, use the second appearing letter and the chart below.
| Letter | Month | Letter | Month |
|---|---|---|---|
| A | January | G | July |
| B | February | H | August |
| C | March | K | September |
| D | April | L | October |
| E | May | M | November |
| F | June | N | December |
Therefore, in the original case, the A/C unit was manufactured in October of 2016.
Serial Number Style 2: AC Units Older Than 2004
The second style of serial numbers are for York AC units that were manufactured before 2004.
This style of Serial Number is formatted with four letters at the beginning of the sequence. The second letter is the month of manufacture and the third letter is the year of manufacture. Use the tables below to decipher the letter to months and years.
Year of Manufacture Table For York AC Units Before 2004.
Use the third letter in the serial number to find the year.
| Letter | Year | Letter | Year |
|---|---|---|---|
| A | 1971 1992 | M | 1982 2003 |
| B | 1972 1993 | N | 1983 2004 |
| C | 1973 1994 | P | 1984 |
| D | 1974 1995 | R | 1985 |
| E | 1975 1996 | S | 1986 |
| F | 1976 1997 | T | 1987 |
| G | 1977 1998 | V | 1988 |
| H | 1978 1999 | W | 1989 |
| J | 1979 2000 | X | 1990 |
| K | 1980 2001 | Y | 1991 |
| L | 1981 2002 |
Month of Manufacture Table For York AC Units Before 2004.
Use the second letter in the serial number to find the month.
| Letter | Month | Letter | Month |
|---|---|---|---|
| A | January | G | July |
| B | February | H | August |
| C | March | K | September |
| D | April | L | October |
| E | May | M | November |
| F | June | N | December |
York Air Handler/Heater Age
York air handlers and heaters follow the same rules mentioned above on air conditioning units. As a matching example, the air handler label pictured above shows the unit was manufactured in May of 2016.
Concluding
If you have any questions on your air conditioners’ or heaters’ age, comment below.
Learn more about Air Conditioner Age. Carrier AC Age. Goodman AC Age.
Huge shoutout to our friends over at Honor Services for supplying the pictures of this blog. Thanks, Guys!
