How old is my Amana HVAC unit?

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Where to find the serial number

Look for “Serial” or “S/N” near the service connections

Dark = year, orange = month or week.

0109145052

September 2001.

Coverage and sources

Supports the 10-digit Goodman-family year/month layout only. Older Amana/Janitrol layouts and Daikin-made PTAC letter codes are excluded.

References checked 2026-10-26.

Independent reference tool, unaffiliated with Amana. Sources & method