Dunkirk® HVAC age
How to determine the date of production/manufacture or age of Dunkirk® brand HVAC Systems.
The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from as little as 10 years to as many as 50 years depending on the type and quality of materials used in their manufacture. Routine upkeep/maintenance, regional weather/climate, and location/placement of the mechanical systems will all play critical roles in the longevity of these systems.
See also: Estimated Useful Service Life Expectancies
Parent Company: ECR
Subsidiaries or other related brands:
AIRCO® | ARGO® | Dunkirk® | ECR® | EMI® | E-verter® | Olsen® | Oneida Royal® | Pennco® | RetroAire® | Ultimate® | Utica®
Example serial number styles/formats found:
- Style 1: 160500150
Legend: Year is RED; Week is BLUE
Style 1: 160500150
Week of manufacture can be determined by using the 1st & 2nd positions of the serial number
Year of manufacture can be determined by using the 3rd & 4th positions of the serial number

ECR® Brands and Serial Number Styles:
A quick reference guide published by ECR® that is included here for your convience.
