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

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

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

Example serial number styles/formats found:

  • Style 1:     21584-04B

Style 1:   21584-04B

Description: Nine (9) character Serial number begins with five (5) character numerical digits, one (1) dash character, two (2) character numerical digits, and ends with one (1) character letter digit.

Year of manufacture is 7th-8th character numerical digits
Month of manufacture is 9th character letter digit (see chart below)

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