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How old is my packaged unit?
21 packaged unit brands catalogued, 20 with a sourced serial format you can decode here. Pick your brand; the serial format depends on it.
- 20 of 21 packaged unit brands on this site have a sourced serial number date format.
Brands with a decoder
AAON2000 to present; 1990 to 1999; before 19993 formatsAirquest1980 to present1 formatAmana HVACera not stated; era not stated; era not stated3 formatsAmerican Standard2010 to present1 formatAmeristar2010 to present; 2010 to present2 formatsArcoaire1980 to present1 formatBryant1980 to present; 1980 to 1984; 1980 to 19844 formatsCarrier1980 to present; 1960 to 19792 formatsComfortmaker1980 to present; before 19912 formatsDaikinera not stated; 1995 to 1999; 1971 to 19943 formatsDay & Night1980 to present1 formatGoodmanera not stated1 formatHeil1980 to present; before 19792 formatsKeepRite1980 to present1 formatLennox1973 to present1 formatPayne1980 to present; before 1969; 1960 to 19793 formatsRheemera not stated; era not stated2 formatsTempstar1980 to present1 formatTrane2010 to present1 formatYork2004 to present1 format
Brands catalogued, format not yet sourced
Where the data plate is on a packaged unit
On the cabinet exterior near the electrical access panel, or inside the panel door.
General guidance, not brand-specific: the owner's manual or the installer can point to the exact spot. See the data plate guide.