Age by Serial Number vs SJ480

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Age by Serial Number compared with SJ480
Detail	Age by Serial Number	SJ480
What it does	Find how old a water heater, furnace or air conditioner is from its serial number	Free online PDF, image, document, and AI tools for fast, secure file processing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	IN
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Water heater serial number decoders for Bradford White, A.O. Smith, State, American, Whirlpool, Rheem, Ruud, Lochinvar Furnace and air conditioner decoders for Goodman, Amana, Lennox, Carrier, Trane, American Standard Water heater and furnace error code lookups Water heater sizing calculator for tank and tankless models Rheem water heater status light meanings Goodman furnace LED flash code reference Rinnai V53De tankless water heater code lookup Rheem tankless water heater code lookup	PDF to Word conversion PDF compression and merging Image background removal Resume builder and invoice maker Financial calculators QR and barcode generation Word, Excel, and PowerPoint conversion PDF encryption and protection Batch file conversion
What makes it different	Independent reference not affiliated with or endorsed by any manufacturer Distinguishes manufacture date from installation date and emphasizes condition and maintenance over age Covers safety guidance including gas smell warnings and professional contractor recommendations	Free with no software installation required Privacy-first processing with secure infrastructure 40+ tools covering documents, images, and financial calculations AI-assisted features including OCR and text utilities
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	1 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	17	30
Referring domains (Majestic)	4	74

4 details filled in for both companies.

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