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

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

Sister or similar Brands Include: AIRCO®, ARGO®, Dunkirk®, ECR®, EMI®, E-verter®, Olsen®, Oneida Royal®, Pennco®, RetroAire®, Ultimate®, and Utica®
Parent:  ECR

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