Mitsubishi®

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

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

Parent Company:  Mitsubishi

Example serial number styles/formats found:

  • Style 1:    89D00488D

  • Style 2:    WKMM076898

  • Style 3:    8001637 T

Style 1:   89D00488D

Year of manufacture can be determined by using the 1st & 2nd numerical digits.
Month of manufacture can be determined by using the 3rd letter digit.

Style 2:   WKMM076898

Year of manufacture can be determined using the 2nd letter digit.
Month of manufacture can be determined using the 3rd letter digit.

Style 3:   8001637 T

Year of manufacture can be determined using the first digit of the serial number which indicates the last digit of the production year for units with serial numbers ending with the letter “T” ONLY.

Page last updated: 7/26/2017

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