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

The date of production/manufacture or age of Aire-fl0® HVAC equipment can be determined from the serial number located on the data plate.

Parent:  Lennox

Aire-Flo is a Lennox trade name for use on thier “economy” line of products. Air-Flo serial numbers will follow Lennox serial number styles.

Sister or similar Brands Include: AirEase® | Airease-Johnson® | Aire-flo® | Allied-Commercial® | Armstrong Air® | Concord® | Ducane® | Lennox® | Magic-Pak®

Example serial number styles/formats found:

  • Style 1:  1606B13871

Style 1:  1606B13871

Description: Ten (10) character Serial number begins with four (4) numerical digits followed by one (1) letter and ends with five (5) 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: 13 Sep 2015