Age by Serial Number vs SantaWheel

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 SantaWheel
Detail	Age by Serial Number	SantaWheel
What it does	Find how old a water heater, furnace or air conditioner is from its serial number	Free secret santa generator with no sign-up required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free core features; optional premium at $4.99 per draw (one-time payment)
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	Email delivery of assignments to participants Exclusion rules to prevent specific pairs from drawing each other Blind mode to hide pairings from organizer Anonymous Q&A between giver and recipient Shipping address collection for participants Scheduled automatic draws at a set date and time Join links for participants to self-register White elephant and yankee swap game modes
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	No sign-up or account creation required Works entirely in the browser with no app download Supports up to 100 participants per draw Free for all core features including email delivery and exclusions
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	3 +1 (up) since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	17	0
Referring domains (Majestic)	4	0

4 details filled in for both companies.

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