HVAC Unit Age & Warranty Lookup

Enter the brand, model, and serial number from the equipment's data plate to instantly decode its manufacture date, age, typical warranty window, and a direct link to the manufacturer's warranty portal. Built for technicians.

Unit details

Brand — optional

Model number (MO)

Serial number (SN)

Note: for the official, unit-specific warranty status, use the free warranty checker → newhvacguide.com/check-warranty. Selecting a brand above will also give you a direct link to that manufacturer's portal.

Result

⚑ Spot a problem or a missing brand? Report an issue or suggest an edit

Look up your unit by brand

Pick a manufacturer for a full guide to reading its serial and model numbers — manufacture date, age, warranty, and what every character means. Sub-brands and rebadges are searchable in the tool above.

Carrier15 brands Goodman5 brands Trane5 brands Rheem6 brands York11 brands Lennox2 brands

Sources & references

Serial & model decoding logic — Building Intelligence Center (building-center.org) HVAC brand index
Tonnage estimation method — Building Intelligence Center tonnage estimate guide
Warranty lookup portals — New HVAC Guide warranty checker (newhvacguide.com)

TSSA - Technical Standards and Safety Authority