Skip to main content

USA Time 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.

USA Time compared with Age by Serial Number
DetailUSA Time logo USA TimeAge by Serial Number logo Age by Serial Number
What it doesLive time for every US time zone, state, and city Find how old a water heater, furnace or air conditioner is from its serial number
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Live time display for all US time zones updated second-by-second
  • Time zone converter for global time comparisons
  • Interactive US time zone map
  • Meeting planner tool
  • Computed from IANA time zone database for accurate DST handling
  • Comprehensive guides on US time zones and daylight saving
  • 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
  • Automatically handles daylight saving time correctly through live IANA database integration without manual updates
  • All tools work entirely in browser with no account, login, or download required
  • Covers America's nine time zones including territories and US possessions
  • Explains complex US time zone map with split states and DST exceptions
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)8 +3 (up) since last check1 no change since last check
Trust Flow (Majestic)61
Citation Flow (Majestic)2817
Referring domains (Majestic)74

4 details filled in for both companies.

More alternatives to USA Time More alternatives to Age by Serial Number

Help centre