Goodman HVAC Age Lookup by Serial Number
Decode your Goodman serial number to find the manufacturing date, system age, and maintenance recommendations. Free and instant. No account needed.
Finding Your Goodman Serial Number
Check these four spots on your HVAC system
Common Locations
What to Look For
- White or metallic manufacturer sticker
- Labeled "Serial No." or "S/N"
- Typically 8–12 characters long
- Usually near the model number
Can't find it? Try the electrical access panel on the front of the outdoor unit or inside the air handler cabinet.
Serial Number Examples
Don't worry if yours looks different — each brand has multiple formats and our system can decode most variations.
About Goodman HVAC Systems
Harold Goodman started the company in Houston in 1975. The business model was straightforward: make decent residential HVAC equipment and sell it cheap enough that contractors could offer it as a budget option without embarrassing themselves. It worked. Goodman grew into one of the highest-volume HVAC manufacturers in North America. Daikin bought Goodman in 2012 for around $3.7 billion and kept the pricing strategy intact. The result is heat pumps, air conditioners, and furnaces that contractors install by the millions every year. The serial number format is one of the easier ones to read: month in positions 1-2, year in positions 3-4, both as two-digit numbers.
Supported Brands
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