Help with Age of a/c unit?

The unit is a Gibson, Model #GB5BW-024-05, Serial #GBD061200846
This unit is installed in a condo, Built in 1970.

Dec 2006

Thank you,
? Is their a website you use for this information?

Email and i will send a pdf file i have
There was a web site but it has expired.

You can download the file here.

That website is owned by John Bowman. I see that he renewed the domain name for another year. Hopefully he will have the site up and running again shortly.

Yeah it was a great place .

Thank you, I hope so