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What is the easiest blowing cold air up or warm air down?

April 26, 2017air blowing cold easiest Mathematics Warm weather

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What is the easiest blowing cold air up or warm air down?

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I would say it’s easier to blow the warm air down. Not because of the force needed to push warm air down compared to the force needed to force cold air up. But, rather because it’s a lot easier and convenient to have a ceiling fan in the middle of the room forcing air down that it is to have fans at the bottom of the room forcing air up.