How old is my Arcoaire packaged unit?
Serial number age decoder for Arcoaire packaged rooftop and ground units: 1 format era, the decode rule in plain English, transcribed tables, and the official lookup.
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: 4006A17330
- Arcoaire packaged unit 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.
- Arcoaire's official lookup at arcoaire.com returns warranty / registration lookup.
Format eras
- 1980 to present VERIFIED
####A#####digits 3-4 (2-digit year; century by context, 1980+)
How to read the serial
1980 to present formatVERIFIED
Shape ####A##### · example 4006A17330 · confidence high
- Year
- digits 3-4 (2-digit year; century by context, 1980+)
- Week or month
- week = digits 1-2 (01-53)
- Plant
- letter at position 5 (plant/line code; table not published)
Example: serial 4006A17330 decodes to week 40 of 2006.
Listed under Carrier in the source; Arcoaire is named in that format's family.
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.
Open the official Arcoaire 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 since 1991 (ex Snyder General). Styles E072514528, L920671787, 4102G12345. Building-center Arcoaire text says positions 4-5 are the month; the ICP chart images say week (week used).