So, I had a tech come out today. The breaker appeared to be functioning correctly when I was there. He says there is power to the unit but he says that the compressor is "locked up tighter than a drum" due to it being completely void of coolant. He said that there is a leak in the system t...

S/N: 017771369 (January 1977 model, I believe) HVAC setup in which furnace has a Heat/Standby/Cool switch so that you choose between heat and cool on the unit itself rather than the thermostat. Problem is that heat works like a champ in Heat mode, but when you switch it over to Cool the blower runs ...