A thermostat is a device that regulates the temperature in a home or office. It sends signals to the heating or cooling system to change the temperature as needed. In order to do this, a thermostat relies on two things: humidity and temperature.Humidity is the percentage of water in the air. If the humidity level is high, then it will be harder for the thermostat to work properly because it will be difficult for it to send signals to the heating or cooling system. Low humidity levels can also cause problems with a thermostat because it can interfere with its ability to send accurate temperature signals.Temperature is another important factor when it comes to thermostats. The higher the temperature outside, the harder it is for a thermostat to cool or heat a room. On the other hand, if the temperature outside is lower than what's required inside, then the thermostat will try to cool or heat the room accordingly.