How Do You Look up a Trane Serial Number?

Find information about Trane serial numbers at Click the Go to Trane Residential link under the Residential heading on the home page. Next, click the Warranty & Registration link under the Owner’s Support heading. Scroll to the bottom of the Warranty & Registration Web page, and click the Information on Locating Your Product’s Serial Number Can be Found Here link.

Use the information to locate the serial number of a thermostat, air handler, energy recovery ventilator, humidifier or air conditioner. Indoor coil, heat pump, air cleaner and packaged unit serial number location information is also available. The information provided includes a diagram of the product and a description of the serial number’s location.

The serial number on a packaged unit is found on the unit’s rear panel. Air conditioners and heat pumps have serial numbers on the top, right rear area of the unit. Furnaces have serial numbers on either the right or left panel. Indoor coil units and air handlers have serial numbers on the front panel.

The serial number on Trane air cleaners is found on the back of the door. Humidifiers and energy recovery ventilators have the number on the bottom of the unit. Print the information, or contact the installer for further assistance.