manufacture or age of an YORK® furnace or other manufactured YORK® HVAC unit
How to determine the date of production/manufacture or age of an YORK® furnace or other manufactured YORK® HVAC unit.
This page was last updated 14 May 2013
The date of production/manufacture or age of an YORK® furnace or other YORK® HVAC manufactured equipment can be determined from the serial number. Serial number styles/formats found:
Style 1: W0K5896070 (Oct. 2004 and later)
Style 2: WAKM011379 (1971 - Oct. 2004)
See also other Unitary Products Group brands listed at the bottom of each slide
Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of HVAC equipment. Anytime anyone is dealing with numbers and letters in determining data, mistakes and misinterpretation are bound to happen. For this reason if you find during your research that we may have erred please contact us. In addition perhaps you have come across a brand, model or serial number format that we have not addressed. Email us information or pictures of data/nomenclature plates of the unit and we will attempt to assist you in your determinations. Email