A great floor fan is an invaluable asset in your home. It allows you to circulate air and feel cooler when the temperatures rise, and you can often save money on your electricity bills when you use your fan instead of turning on your air conditioner on warm (but not yet stifling) days. You can even use a floor or table fan on a low setting to help circulate heat in the winter time — a particularly effective method for making a pellet or wood stove work harder in your home. But what happens…