Age by Serial Number
Find your water heater or AC’s age by serial number
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Free age lookups for supported water heaters, furnaces and ACs. Enter a serial number to see the manufacture date, source links and uncertain readings. Includes selected fault-code lookups and a water heater sizing calculator.
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PH · launched Oct 20, 2026 · 2 upvotes (top 23%)
- Construction
- B2C
- Not AI
- Commercial product
- Web App
- Home improvement
Similar launches
See all 196 similar launches →Could you build this?
Partial The lookup UI and sizing calculator are easy, but the accuracy depends on manufacturer serial-number decoding tables and fault-code data that are scattered, proprietary, and hard to collect.
What it would actually take: The stack would be a simple web app backed by a database of per-manufacturer serial-number formats, date-code rules, and fault codes. The hard part is compiling and verifying those decoding rules across many brands, which takes manual research, sourcing from manuals and technician data, and ongoing curation.
Competitors
Other products that read as similar to this one : 196 launches clear the similarity bar, closest 8 shown.
Attention rank: #11 of 197 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 233 days after the earliest competitor.
- Guitar Serial Number · ph · 2026-10-18 · 2 upvotes · similarity 0.57
- Age Calculator · ph · 2026-10-05 · 1 upvotes · similarity 0.49
- Chronological Age Calculator · ph · 2026-09-25 · 1 upvotes · similarity 0.48
- CALCULATOR · ph · 2026-10-22 · 1 upvotes · similarity 0.46
- Age Calculator · ph · 2026-10-03 · 1 upvotes · similarity 0.45
- MEPCO Bill · ph · 2026-09-14 · 1 upvotes · similarity 0.45
- Age Calculator by FreeWWW · ph · 2026-10-13 · 2 upvotes · similarity 0.45
- Chrono Age Calcs · ph · 2026-09-26 · 1 upvotes · similarity 0.45
Other launches for this product
- No other launches for this product.