An ADT thermostat is a device that helps to regulate the temperature of a home or building. It is designed to keep the interior environment comfortable and energy efficient. The thermostat is connected to a heating and cooling system, and it can be programmed to maintain a specific temperature range. It can also be used to control the humidity levels in the home. The thermostat can be set to turn the heating or cooling system on and off at certain times of the day, and it can be programmed to adjust the temperature according to the time of day or season. It can also be used to detect when a room is too hot or too cold and adjust the temperature accordingly. The thermostat can be controlled remotely, allowing users to adjust the temperature from anywhere in the world. ADT thermostats are an efficient and convenient way to maintain a comfortable temperature in the home or office.