The topic of do fans cool is one that has been debated for decades.
What air circulators do is make your body feel like it is being cooled
The grounding prong is an added safety feature that protects you in the case of a malfunction
Using fans around the area, the force of the air rushing across the floor will speed the evaporation process
A window fan will exhaust the hot air out of the home and bring the cooler, fresh air into the home