Nordyne®
How to determine the date of production/manufacture or age of Nordyne® HVAC Systems.
The date of production/manufacture or age of Nordyne® HVAC equipment can be determined from the serial number located on the data plate.
Example serial number styles/formats found:
- Style 1: GBB030708229
- Style 2: F3891 4228
Style 1: GBB030708229
Description: Twelve (12) character serial number. Begins with three (3) letter digits followed by nine (9) numerical digits.
Year of manufacture is 4th & 5th numerical digits combined.
Month of manufacture is 6th & 7th numerical digits combined.


Style 2: F3891 4228
Description: Nine (9) character serial number (does not count the space). Begins with one (1) letter and ends with eight (8) numerical digits.
Year of manufacture is 3rd & 4th digits combined.


Page last updated: 1 September 2021