Once the weather starts to cool off, you might be concerned about how you’ll take full advantage of your heating and cooling. After all, HVAC expenses frequently contribute a large chunk of your monthly electric bill. To figure out new ways to save, some people take a closer look at their thermostat. Could there be a setting they should use to improve efficiency?

Most thermostats come with a ‘Fan’ or ‘Fan On’ setting. But if the fan is going during a normal cycle, what can the fan setting offer for your HVAC system? This guide will help. We’ll review precisely what the fan setting is and how you can use it to reduce costs during the summer or winter.

My Thermostat Has a Fan Setting?

For most thermostats, the fan setting means that the system's blower fan remains on. Some furnaces will run at a low l