wingnut:
"There is nothing wrong with your thermostat. Do not attempt to adjust the temperature. We are controlling transmission. If we wish to make it warmer, we will bring up the heat. If we wish to make it cooler, we will tune on the A/C."That's why I still have one of these:

Just two wires attached that go directly to the gas furnace in the basement.
Air conditioners are window units, manually operated.
That's the way they're gonna stay.
(Actually, the house couldn't support anything else. Still has fuses and some knob-and-tube wiring...)