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How old is my Payne unit?

Payne is part of Carrier Global. 5 serial formats sourced across central air conditioner, heat pump, furnace, packaged unit.

Serial number decoder for Payne

Serial no.

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

Format example: 4006A17330

Payne 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.
Payne air conditioner serial numbers in the 1980 to 1989 format encode the year as digits 1-2 and the month as digits 3-4 (source: building-center.org).
Example: serial 850304091 decodes to March 1985.
Payne's official lookup at productregistration.carrier.com returns registration / entitlement.

Decoder pages by product

1980 to present VERIFIED
####A#####Central Air Conditioner, Heat Pump, Furnace, Packaged Unit
1980 to 1989 VERIFIED
#########Central Air Conditioner, Furnace
before 1969 PARTIAL
#######Central Air Conditioner, Heat Pump, Furnace, Packaged Unit
1969 to 1979 VERIFIED
A######Central Air Conditioner, Furnace
1960 to 1979 VERIFIED
##A######Central Air Conditioner, Heat Pump, Furnace, Packaged Unit

Official lookup: the authority

Open the official Payne lookup takes serial; returns registration / entitlement; URL partial

Open the official Payne 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.

Payne is treated as sharing Carrier's format because the source lists it in that family; the corporate relationship itself is an estimate.
The before 1969 format is only partially confirmed (PARTIAL).
The before 1969 format is documented but not decodable here: example(s) do not match pattern: 6######.
Same five styles as Bryant/Carrier plus a pre-1970 7-digit numeric (year = 1st digit). payne.com is a Carrier AEM site (page links carrier-sites); registration page is 200 but exposes no serial lookup text - use the Carrier lookup as fallback.