The fan setting on your thermostat manages your HVAC’s system blower. The blower aids distribute hot or cool air throughout your residence till the temperature level on the thermostat is reached. There are two settings on your thermostat to manage the fan – auto or on.
AUTO indicates that the fan turns on automatically only when your system is warming or cooling air. As soon as the thermostat gets to the preferred temperature level, the entire system shuts down up until the next cycle.
ON means that the fan is constantly on and also blowing air when your HEATING AND COOLING system is not heating or cooling. This does has some advantages even though it uses more power to keep the fan going.
The Advantages and Disadvantages of Running Your Fan Continuous in Your HVAC Air Handler
Running your fan on AUTO or ON is an individual preference. We’ve offered pros and cons of each setting alternative, so you can make a decision which one is best for you.