AITONS’ Equipment LLC® HVAC Age

How to determine the date of production/manufacture or age of AITONS’® HVAC Systems.

The date of production/manufacture or age of AITONS’® HVAC equipment can be determined from the serial number located on the data plate.

Sister or similar Brands Include:   ComfortAire | Heat Controller

Example serial number styles/formats found:

  • Style 1:    98E-500368

Ledger:  Year is RED  – Month is GREEN – Week is BLUE

Style 1:  95E-500368



Page last updated: 8/6/2019