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    Goodman® HVAC Age Checker

    Enter your Goodman serial number below to determine the manufacturing year of your HVAC system

    The serial number is usually found on a label on your HVAC unit

    Add model number for AI-powered specs including tonnage, SEER rating, and features

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    How to Find Your Serial Number

    Your Goodman serial number can typically be found on:

    • The manufacturer's data plate on the outdoor unit
    • Inside the air handler or furnace cabinet
    • On your system's installation documents

    Goodman Serial Number Formats

    Style 1 (Most Common)

    Example: 9704811080 - All numeric, 10 digits

    Year: 1st & 2nd positions, Month: 3rd & 4th positions

    Style 2 (PTAC Units - Pre-2012)

    Example: 5FU5472618P - Letter-based format

    Used on Packaged Terminal Air Conditioners, ends with "P" or "D"

    Month: 2nd position (letter), Year: 3rd position (letter)