What age is this

AC Unit
Day Night


Model 36DNR105
Serial 016332020

Year 1963 ?


comes up as an 01 but not sure as I read the info on page. It looks older.
Anyway, this is a good site for info

1963 33rd week or 8th month.

My book is showing 1963. Day and Night is a part of Carrier.

You should really get a technical reference guide

Heeley Home Inspections Inc