Quote:
Originally Posted by Jimmy Stang
I didn't realize that so many people ran their fan 24/7. I usually do in the summer, particularly at night to help the air circulate but I have avoided it in the winter because I was assuming (wrongly, evidently!) that it would bring in cold air from the outside and make the furnace run more.
Come to think of it, I have two ways of enabling the furnace fan. One is the switch on the thermostat, and the other is a wall switch near the thermostat. If I remember correctly, the wall switch activates a blower fan that sucks outside are in and runs the furnace fan, whereas the furnace switch just runs the furnace fan.
Does this make sense to anyone familiar with these systems? Obviously I'd want to run only the furnace fan in the winter. I'll have to check on that tonight.
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The switch on your wall is for a separate ventilation fan that pulls fresh air from the outside of your house and exchanges it with the current air - this is the one you should be using in the summer at night or if you burn dinner.
The switch on your thermostat simply circulates the air already inside your house - which is the one to run 24/7 during winter.