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How old is my Amana PTAC PTAC?

Serial number age decoder for Amana PTAC PTAC and through-the-wall units: 1 format era, the decode rule in plain English, transcribed tables, and the official lookup.

Serial number decoder for Amana PTAC PTAC

Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.

Format example: 0109145052

Format eras

How to read the serial

1997 to present formatVERIFIED

Shape ########## · example 0109145052 · confidence high

Year
digits 1-2 (YY) -> 2001
Week or month
month = digits 3-4 -> Sep

Example: serial 0109145052 decodes to September 2001.

Trap: Goodman format (10 digits; a 9-digit variant 040590391 = May 2004 exists). Century by era; 96-90391 style (YY-#####) gives year only.

Where the data plate is on a PTAC

Slide the chassis out of its wall sleeve or lift the front cover: the plate is on the chassis frame or on the side of the unit.

General guidance, not brand-specific: the owner's manual or the installer can point to the exact spot. See the data plate guide.

Official lookup: the authority

Open the official Amana PTAC 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

Sources