AssureStep
Installed-base follow-up for HVAC contractors

Serial Number Decoder

Decode equipment age and warranty status instantly

Free tool with a path into installed-base follow-up

Why this tool matters

Solve the calculation or lookup now, then keep the answer attached to the installed base so it can support maintenance follow-up, warranty timing, equipment history, and replacement conversations later.

Next best step

Use the result in the field, then start a free AssureStep account when you want the context to stay visible after this visit.

Enter the serial number exactly as shown on the equipment nameplate

Supported Manufacturers

Carrier
Trane
Lennox
Rheem
Ruud
York
Goodman
Amana
Bryant
Payne
Daikin

Why Decode Serial Numbers?

✓ Determine Equipment Age: Know when the unit was manufactured

✓ Check Warranty Status: Calculate remaining warranty coverage

✓ Verify Model Info: Confirm equipment specifications

✓ Plan Replacements: Identify aging equipment before failure

Automatic Warranty Expiration Alerts

AssureStep AssureStep tracks all your equipment serial numbers, decodes them automatically, and sends alerts before warranties expire.

From tool to workflow

Free tools answer one question. AssureStep keeps the answer usable across the installed base.

Start free when you want maintenance follow-up, warranty timing, equipment history, and replacement opportunities to stay tied to the customer record instead of disappearing after the job.