Sears Kenmore®

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

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

Parent Company:  Trademark brand of Sears Roebuck & Co.

Example serial number styles/formats found:

  • Style 1:    L920787560
  • Style 2:    H55116328
  • Style 3:    297448
  • Style 4:    320100007S
  • Style 5:    850304091

Style 1:   L920787560

Year of manufacture can be determined by using the 2nd & 3rd numerical digits.
Week of manufacture can be determined by using the 4th & 5th numerical digits.

Style 2:   H55116328

Decade of manufacture can be determined by using the 1st letter digit.
Year of dcade can be determined by using the 2nd numerical digit.
Week of manufacture can be determined by using the 3rd & 4th numerical digits.

Style 3:   297448

Year of manufacture can be determined by using the 1st numerical digit.

Style 4:   320100007S

Week of manufacture can be determined by using the 1st & 2nd numerical digits.
Year of manufacture can be determined by using the 3rd & 4th numerical digits.

Style 5:   850304091

Year of manufacture can be determined by using the 1st & 2nd numerical digits.
Month of manufacture can be determined by using the 3rd & 4th numerical digits.

Page last updated: 7/26/2017

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