About York
Exceeding customer expectations requires continual advances and attention to detail. We believe quality comes first. Designing and engineering YORK® durable HVAC units in the United States ensures we can closely monitor and improve processes that directly affect quality. It takes more than just metal and circuitry to make a YORK® heating and cooling unit – it takes people of integrity and an ongoing dedication to quality.
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HVAC Age / Serial Decoder
Current Style (2004 onward)
The second and fourth character represent the year of manufacture. The third character represents the month, and the first character represents the manufacturing plant.
2004 to Current
Example Serial Number
| W | 1 | M | 7 | 3 | 1 | 7 | 7 | 2 | 3 |
This would read as being manufactured in November of 2017.
Year is Green, Month is Yellow. Gray is ignored.
How to translate Character to Month
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| K | September |
| L | October |
| M | November |
| N | December |
Pre-2004 Style
Ignoring the first letter, the second letter represents the month, and the third letter represents the year of manufacture.
2004 and Prior
Example Serial Number
| C | E | T | P | 3 | 1 | 7 | 7 | 2 | 3 |
This would read as May, 1987. Grey is ignored.
Year is Green, Month is Yellow.
How to translate Character to Month
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| K | September |
| L | October |
| M | November |
| N | December |
How to translate Character to Year
| A | 1971 or 1992 |
| B | 1972 or 1993 |
| C | 1973 or 1994 |
| D | 1974 or 1995 |
| E | 1975 or 1996 |
| F | 1976 or 1997 |
| G | 1977 or 1998 |
| H | 1978 or 1999 |
| J | 1979 or 2000 |
| K | 1980 or 2001 |
| L | 1981 or 2002 |
| M | 1982 or 2003 |
| N | 1983 or 2004 |
| P | 1984 |
| R | 1985 |
| S | 1986 |
| T | 1987 |
| V | 1988 |
| W | 1989 |
| X | 1990 |
| Y | 1991 |
Contact Information for York
Websites
Addresses
Johnson Controls5757 N. Green Bay Ave., P.O. Box 591
Milwaukee, Wisconsin 53201
United States
Attributions
Important Note: All trademarks belong to their respective owner(s). No ownership is implied by Inspector Handbook. Inspector Handbook is a data aggregate that utilizes manufacturer and third party data to compile the information presented. Inspector Handbook or it's affiliates do not claim ownership of any trademarked materials.