How to determine the date of production/manufacture or age of I-verter® HVAC Systems.

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

Parent Company:  ECR
Sister or similar Brands Include: AIRCO® | ARGO® | Dunkirk® | ECR® | EMI® | I-verter® | Olsen® | Oneida Royal® | Pennco® | RetroAire® | Ultimate® | Utica®
Example serial number styles/formats found:
  • Style 1:       1-99-C-9305-10

Style 1:   1-99C-9305-10

Description: Fourteen (14) character Serial number (includes dashes) begins with one (1) numerical digits – dash – two (2) numerical digits – dash – one (1) letter – dash – four (4) numerical digits – dash – and ends with two (2) numerical digits.
Year of manufacture is 3rd-4th character numerical digits
Month of manufacture is 6th character letter digit (see chart below)
Week of manufacture is the last two (2) numerical digits of serial number

ECR® Brands and Serial Number Styles:

A quick reference guide published by ECR® that is included here for your convenience.

Page last updated: 7 Sep 2015

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