Heil® & Heil-Quaker®

How to determine the date of production/manufacture or age of Heil® & Heil-Quaker® HVAC Systems.

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

Parent Company:  ICP

Example serial number styles/formats found:

  • Style 1:    E072514528

  • Style 2:    H55116328

  • Style 3:       HFF120465 (older unit repaired under recall and new Serial Number issued)

  • Style 4:       297448

Style 1:   E072514528

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

Style 2:   H55116328   &

Style 3:  H55120465 (Repaired under recall and new serial number was issued.)

The 1st thru 4th digits of the serial number represent the  decade, specific year of the decade, and production week of that year.

Style 4:   297448

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

Page last updated: 7/26/2017