Derek Cole explains why you shouldn't leave your fan running in southeastern North Carolina. Fans create a wind-chill effect on your body but don't actually lower room temperature, and running them can trap humidity when your AC isn't on. Indoor humidity should stay between 30 and 50 percent.
Chapters
In this part of the country you should never leave your fan on. Now in the northern climates where it's dry they keep the fans on but this is southeastern North Carolina. You don't do it because then you have a humidity problem. Your indoor humidity should be between 30 and 50% and the main part of air conditioning is removing moisture from the house. So you don't want to add moisture by leaving your fans on. Ceiling fans, a good thing to remember about those, they're not going to cool the room off. If the room isn't sitting there with a fan on you're doing no good. Fans cool people not rooms. Fans give you a wind chill effect. That's what cools you down. So it's kind of like a 70 degree day where the sun shining no wind or 70 degree day where it's a little shady and you got 15 mile an hour wind. Which one is cooler was the one with the wind.