Originally Posted by bellastream
These "40 year old window AC units are built tough and parts are available today to repair them. They are not throw away junk like they have today. Anyhow I fixed it seems I had the thermostat wired wrong now blows ice cold continuously.
There is a sticky about this same subject here
that is an interesting read. Member Jason Pratt completely rebuilt his 40-year-old Armstrong, and even upped it's output significantly while adding the heatpump feature!
If all the work he did would have reduced the noise the Armstrong makes, it would have been tempting to consider doing, but apparently such is not the case.