There are two common ways to use a fan to reduce heat in a room. One is that you use the fan at night when outdoor air is cooler, to pull in outdoor air and exp

There are two common ways to use a fan to reduce heat in a room. One is that you use the fan at night when outdoor air is cooler, to pull in outdoor air and expell warmer indoor air. The other is you use a ceiling fan, spinnng counterclockwise so that it pushes air down in the center of the room that can cool your skin via moisture evaporation, and the cooler air on the floor will be drawn back up along the walls and recycled.