How old is my Tempstar unit?
Tempstar is part of Carrier Global (ICP). 1 serial format sourced across central air conditioner, heat pump, furnace, packaged unit.
Serial number decoder for Tempstar
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: 4006A17330
- Tempstar air conditioner serial numbers in the 1980 to present format encode the year as digits 3-4 (2-digit year; century by context, 1980+) and the week as digits 1-2 (01-53) (source: building-center.org).
- Example: serial 4006A17330 decodes to week 40 of 2006.
- Tempstar's official lookup at tempstar.com returns warranty / registration lookup.
Decoder pages by product
Format eras
- 1980 to present VERIFIED
####A#####Central Air Conditioner, Heat Pump, Furnace, Packaged Unit
Official lookup: the authority
Open the official Tempstar lookup takes serial number; returns warranty / registration lookup; URL verified live
This site is a reference built from published tables. The manufacturer's own lookup wins whenever the two disagree.
What we could not confirm
- ICP brand. Six styles: G051650885 (L-YY-WW), L920671787 (same, plate has MFG DATE), 9414B39332 (YYWW-L, year-first 1990s), 30512345 (Y+WW 1980-93), Z3Zxxxxx / ZZxxxxx (year-letter 1970-94). Charts transcribed from TEMPSTAR-4/5/6.jpg.