Moncreif®

How to determine the date of production/manufacture or age of Moncreif® HVAC Systems.
The date of production/manufacture or age of Moncreif® HVAC equipment can be determined from the serial number located on the data plate.
Parent Company:  York
Sister or similar Brands Include:  Borg-Warner® | Coleman® | Evcon® | Fraser-Johnson® | Guardian® | Luxaire® | Moncrief® | Red T® | York®

Example serial number styles/formats found:

  • Style 1: W0K5896070
  • Style 2: 97104119
  • Style 3: 018812345
  • Style 4:  EDDM129413
  • Style 5:  HM409295

Style 1:  W0K5896070

Description: Ten (10) character Serial number.  Begins with one (1) letter digit followed by one (1) numerical digit, then another one (1) letter digit and ends with seven (7) numerical digits.
Year of manufacture is 2nd-4th numerical digits combined.
Month of manufacture is 3nd character, which is a letter digit.  (See chart below).

Style 2:   97104119

Description:  Eight (8) character all numerical serial number.
Year of manufacture is 1st-2nd digits of the serial number.
Month of manufacture 3rd-4th digits of the serial number.

Style 3:  0188123456  (Used prior to 1992)

Description:  Ten (10) character all numerical serial number.
Month of manufacture is 1st-2nd digits of the serial number.
Year of manufacture 3rd-4th digits of the serial number.

Style 4:   EDDM129413

Description: Ten (10) character Serial number.  Begins with four (4) letters and ends with six (6) numerical digits.
Month of manufacture is 2nd letter digit. (See chart below)
Year of manufacture is 3rd letter digit. (See chart below)

Style 5:   HM409295

Description: Eight (8) character Serial number.  Begins with two (2) letters and ends with six (6) numerical digits.
Month of manufacture is 1st letter digit. (See chart below)
Year of manufacture is 2nd letter digit. (See chart below)

Page last updated: 13 April 2016

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