MTempMail vs Age by Serial Number

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

MTempMail compared with Age by Serial Number
Detail	MTempMail	Age by Serial Number
What it does	Free temporary email service with disposable inboxes and no registration required	Find how old a water heater, furnace or air conditioner is from its serial number
Stage	Startup	Not given
Founded	2025	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Instant temporary email generation without registration Multiple domain options including EDU-style addresses Receive and download email attachments RESTful API for automated testing Real-time email delivery with sub-second processing Mobile app for Android Chrome browser extension Telegram bot integration	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
What makes it different	No registration or personal information required for instant access Zero-log privacy policy with no IP tracking 160+ browser-based online tools beyond email Fast email delivery with automatic server polling Continuous rotation of pristine domains for high deliverability	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 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)	31 +1 (up) since last check	1 no change since last check
Trust Flow (Majestic)	10	1
Citation Flow (Majestic)	32	17
Referring domains (Majestic)	851	4

4 details filled in for both companies.

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