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Without AC wiring experience, I can't recommend that you do this. A better suggestion would be to use a space heater in a closed off space (no flammable materials and have a smoke detector if you're g …

You have to check that the thermostat is compatible with your HVAC system. … For the lower end models, or for those seen in the far north or south, you may have a thermostat for only heating or cooling, but not both. …

It's going to be the Yellow wire that calls for cooling (surprised that's an X and not a Y). Two things to be careful of. First, the O/B is for the heat pump valve (switching the compressor from heat …

How did you check the vent? Mine had an open airway, but after years of use, I picked up a cleaning brush and was amazed as how much lint came out of the vent. If your dryer is anywhere other than o …

Here's a good guide on thermostat wiring: http://wiki.xtronics.com/index.php/Thermostat_signals_and_wiring Most likely, all you should need to do is connect one wire to either W for heating or Y for a …

This function is performed by either a differential thermostat control system or the use of a PV-powered pump. … The differential thermostat controller compares heat sensor readings from the storage tank and collectors and switches the pump accordingly. …

Without the thermostat telling it, the furnace has to guess how much heat you need, and those guesses may not always be right. … The thermostat will know how far you from your target temperature and know which stage you need to be using. …

I've never seen one with a dynamic setting and two thermometers, but it makes a lot of sense that they should make one. No need to run the fan when the outside is not more than 10 degrees (F) cooler. …

Check the wiring requirements for your furnace to see what the thermostat needs to support. For example, this probably wouldn't support running just the fan: …

And since drafts in the home make you feel cooler in the winter, the result of saving that extra heat may result in you feeling the need to turn the thermostat up a bit more. …

The thermocouple that verifies that the pilot light is burning (as opposed to releasing unburned gas) could be going bad. And you could also have either a blockage in your flue or a high temperature l …

The B terminal is most likely your heat pump valve changeover (it reverses your AC to become a heat pump). If that's the case, shorting/using that connection will prevent your AC from working. What y …

Assuming purple is the common, you'd run your wire to that, preferably through that wiring block where the other thermostat wires are connected on the left. …