Age of NORDYNE A/C unit

Specific Inspection Topics Inspecting HVAC Systems
1

What is the age of this NORDYNE A/C unit? Serial numberGSD021201683.model number is GS2BA-018KA.

THANKS IN ADVANCE!!!

2

I would say December 2002.

3

The first two numbers in the serial number are the year (02) and the next two numbers are the month (12), so Mr. Martin has it.