Fans don’t cool. All in all they slightly heat thins up even.
What fans do is to push air around.
Your body cools down by sweating and you can enhance that function by increasing air flow against your skin.
Moving air isn’t actually cooler but it allow your body to transfer heat more easily.
This is similar to how a hot bench made of metal and one made out of wood will feel differently hot when you sit on them despite being the same temperature.
We don’t actually feel temperature we feel the amount of heat we transfer to or away from out body.
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