AC Freeze-up, low thermostat setting

The problem we have usually happens when it gets really cold, about 20 Degrees - We have a Lux electronic thermostat, and the furnace will not kick on when the temperatures goes below the setting. We have to manually do this - then the furnace runs for a little bit, enough to raise the temperature...

I had a "low battery" message flashing on my Maple/Chase 0960T-1 programmable thermostat. When I replaced the batteries the low battery message remained on the display but this time, it was not flashing back and forth and none of the previous settings appeared on the display. None of the switches...

I need to heat a new room I just built to contain well equipment such as a pressure tank and water softener. The heater needs to heat just enough to keep the equipment from freezing but I don't need the utility room (4'X7'X8') to be warm. All heating systems that I have seen have a thermostat...

I am installing a Honeywell, RTH230B. My connections are: R to Rh (red jumper to Rc that came with the unit) W to W Y to Y G to G B to nothing The fan comes on (when set to "on").

I recently moved into a house that is about 6 years old. The house sits upon a small hill. The water pressure is 40 psi at the street and the flow rate is 13 gpm. At the house, the pressure is about 30 psi and the flow rate is 3.5 gpm. The house is higher than the street level, but the...