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Message: <blockquote data-quote="dirtrider73068" data-source="post: 3235668" data-attributes="member: 44606">Swamp coolers do ok if its low humidity they do make the air feel cooler but once it gets above 60% they get useless, they also induce moisture into the air, if its a woodshop that will play hvac on your wood, metal it's going to make it rust faster.My garage aka shop was hot I had doors on north and south I opened to get the wind but on those still hot summer days, I couldn't do it, even at night it was awful. I come across a fan from a house hvac system, wired on a plug, used two real estate metal sign for a stand for the fan, blocked off the lower 1/3 of it to force more air out at a high speed and it works great, can feel it from the other end of the garage. It even help pull the hot air out of my attic in turn help reduce the heat in the attic. Most hvac places have old units they take out see if they have one where the fan still works might get it cheap or even free. Those hvac squirrel fans put out alot of air, you need to play around see if you need to block off the opening some to put back pressure to force more air and air speed out of it.</blockquote>