[Scene: I'm sleeping.]
"Is the furnace broken?"
It does in fact seem chilly.
There was an LED light.
WTF is a pressure switch?
Could it be the leaking freon that we haven't addressed?
For the furnace?
I am armed with a lighter and a flashlight.
Update: after some research and some tinkering...
More later as I put together an RFP for our HVAC System.