International of Utica®

How to determine the date of production/manufacture or age of International of Utica® HVAC Systems.

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

Parent Company:  International of Utica

Example serial number styles/formats found:

  • Style 1:    4293 (Heating Units)

  • Style 2:    H 4293 (Cooling Units)

Style 1:   4293  Heating Units Only

Year of manufacture can be determined by using the 4 digit all numerical serial number.  (See year chart below).

Style 2:   H 4293 Cooling Units Only

The 1st digit of the serial number represents the year of manufacture.

Page last updated: 7/26/2017

Unknown – Last manufactured in 1972
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