The good news is that with the help of a fan, it possible to reduce the amount of energy used by an air conditioner. It important to know that an electric fan, or any type of fan for that matter, doesnt actually cool a space down. But it can make you feel cooler as the fan moves air over your skin, helping sweat evaporate more quickly. If your room is uncomfortably hot, you can exploit this windchill effect to stay cool and save money. If you have an AC unit but no electric fan, youre relying...