During the warranty registration process you will be asked to enter your unit's serial number. If you need assistance finding the serial number, please download instructions for finding your serial number by clicking the button below.

Click the link below to be taken directly to the Trane warranty registration form. Before starting the registration process, it may be helpful to find your unit's serial number.

The model and serial numbers for your Lennox AC unit can be found on the nameplate or sticker, located near the service panel. 

Each Mitsubishi AC unit includes a sticker with the Model number and serial number. See below for an example of what you should look for.

You must register your Mitsubishi AC unit within a certain time period to qualify for the extended warranty. As a Mitsubishi Preferred Diamond Contractor, you qualify for a warranty that is even longer than normal when Pro-Tech installs your unit. Click the button below to register your Mitsubishi AC unit.