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

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

Parent Company:  COLDFLOW

Sister or similar Brands Include:  ColdFlow® | Dual Air®

Example serial number styles/formats found:

  • Style 1:  0106K4606307

Style 1:  0106K4606307

Description: Twelve (12) character Serial number begins with four (4) number digits followed by one (1) letter digit and ends with seven (7) numerical digits.
Year of manufacture is 3rd-4th character numerical digits.
Month of manufacture is 5th character letter digit (See chart below).

Page last updated: 8 Nov 2015

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