Most homeowners use their unit’s serial number and model number (found on the metal nameplate of the indoor or outdoor unit) to verify status via third-party HVAC databases or by contacting an authorized dealer.
If the online lookup does not work, or if you need to transfer a warranty to a new owner, you can contact: Carrier Warranty Lookup | Carrier Residential
Because KeepRite is owned by Carrier, some Carrier dealers can access ICP warranty data. You can call a Carrier dealer and ask politely if they can look up an ICP (KeepRite) warranty using the serial number.
: Check inside the front cabinet door or on the side of the burner compartment.
The serial and model numbers are located on a or metal plate on the exterior of the unit.