Traditional heating controls have a knob that helps to adjust the temperature. Since it is not digital the temperature setting will not be accurate. A modern thermostat is digital, it is more accurate and the temperature that we set will help us heat or cool to the right temperature. Thermostat is like a communication media that help you to control the temperature of a HVAC system, for the system to work efficiently it is also important to get the temperature settings right. A digital programmable thermostat can improve the performance of your system. A digital thermostat shows the current reading and it also helps you to set the desired temperature. So once you set the thermostat, the desired temperature will be attained without having to constantly adjusting the controls.
In winter you may require your home to be colder during the night and warmer during the day. A programmable thermostat will adjust the temperature according to your requirements but if you have not installed one then it will be annoying to constantly walk towards the control knobs and adjust the temperature. With a programmable thermostat you can programme the HVAC system to lower the temperature while you are sleeping and warm the room in the middle of the night when it is getting colder. The main advantage of a programmable thermostat is that you can set different temperature at different point of time. There are different types of thermostats you can even find thermostat with wifi facilities. Such thermostat can be controlled even when you are not in your home.