Thermostat Setting: Which is Better? Do you set your fan to AUTO or ON? AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air based on the thermostat temperature setting that you set it for. So, when the thermostat reaches your temperature setting, the system, including the blower
Air Conditioning & Geothermal System Contractor
EcoMech Geothermal: Home Owners & Builders choose us for their heating and air contractor.
