Amana serial age
Manufacture date from the rating-plate serial. Same family as Goodman. A printed MFR date on the plate still wins.
Amana
Type the serial off the rating plate. Spaces and hyphens are ignored. Manufacture date is not the install date.
Diagnose this call
Age is open. The walkthrough is the seat.
Where the plate is
Same cabinet locations as Goodman. Many 2000s plates also print a separate MFR date.
Styles
Current (Goodman-era)
0109145052
Ten-digit numeric: year then month in the first four digits. 0109… = September 2001. Treat like Goodman unless the plate is hyphenated.
Older
96-90391
Year is the first two digits. Month is not in this style.
Cross-checked against Amana HVAC age. FieldBench does not host or republish that page. Letter charts we could not verify are linked out instead of invented.