Setting the thermostat to start the air conditioner or furnace is easy. You choose either “cool” or “heat,” and adjust the temperature setting. If you’re unsure about how to use the “on” and “auto” fan settings, the following information can help.
How Should I Set the Thermostat: Fan On or Auto?
How Should I Set the Thermostat: Fan On or Auto?
July 16, 2015