Cool Room Air With Fan By The Window

NotMrX · Sep 11, 2006

Suppose a fan was positioned to blow air out of a window so that window fit well around the fan. Why would this cool off a room?

HallsofIvy · Sep 11, 2006

How is air coming into the room?

What if the temperature in the room were 70 degrees F and the temperature outdoors 100?

NotMrX · Sep 11, 2006

I don't know. I just know that when I put a fan in that way the room cools off. It is an efficiency so maybe air isn't coming and the pressure is lowering?

Hootenanny · Sep 11, 2006

NotMrX said:

I don't know. I just know that when I put a fan in that way the room cools off. It is an efficiency so maybe air isn't coming and the pressure is lowering?

I would imagine the cooling effect you are experiencing simply comes from the fact that the air is moving, preventing build up a humid air thus allowing your sweat to evaporate at an increased rate.

Cool Room Air With Fan By The Window

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