How old is my Bard unit?

Bard is part of Bard Manufacturing (independent). 5 serial formats sourced across heat pump, furnace.

Serial number decoder for Bard

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: 000F950926066-1

Bard heat pump serial numbers in the 1980 to present format encode the year as digits 5-6 (YY) -> 1995 and the month as letter at position 4 (table below) (source: building-center.org).
Example: serial 000F950926066-1 decodes to May 1995.
Bard heat pump serial numbers in the 1980 to 1980 format encode the year as letter 5: A = 1980 and the month as letter 4: D = Apr, F = May (source: building-center.org).
Example: serial 123DA45678 decodes to April 1980.
Bard heat pump serial numbers in the 1962 to 1980 format encode the year as last letter (table below) and the month as second-to-last letter (Bard month table) (source: building-center.org).
Example: serial 28193MT decodes to October 1978.
Bard's official lookup at bardhvac.com returns warranty / registration lookup.

Decoder pages by product

Official lookup: the authority

Open the official Bard 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.

Five styles. Current style (since June 1980): 3 digits + MONTH LETTER + YY + sequence (-suffix). Month letters skip E, G, I, O (A B C D F H J K L M N P). bardhvac.com/resources/warranty/ = 200 (registration + warranty terms).