The Best Time to Replace Your Fans

Posted by Gary Leseman on July 24th, 2015

Last month, we published an easy-to-use checklist to facilitate ordering a replacement fan or parts. Of course, the obvious question is knowing when a fan needs to be replaced. Sometimes accidents happen and you end up in an emergency situation with one …

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Louvers 101

Posted by Gary Leseman on May 5th, 2015

A louver is a simple air system component that allows the passage of air from one side of a vertical opening in a wall, plenum, or bulkhead to the other side of the opening, while at the same time, depend …

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Pi Day 2015 – How Fan Engineers Celebrate

Posted by Ann Marie Shaw on March 3rd, 2015

This month, we celebrate the wonderful mathematical constant π! Since 1988, physicists, mathematicians, engineers, and other number-enthusiasts have celebrated Pi Day on March 14 (3/14) every year. The event is marked with lively discussions about Pi, contests to see who …

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How to Measure Fan Noise

Posted by Gary Leseman on December 1st, 2014

FAN NOISE – SOME SOUND BASICS Sound is a physical occurrence. Sound is also what we hear. Interestingly, “sound happens” whether or not anyone is around to actually hear it. Fortunately, sound is governed by natural laws so we can …

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How to Read a Fan Curve

Posted by Gary Leseman on November 3rd, 2014

If you’ve never worked with a fan curve graph before, it can look intimidating. But don’t fear—it’s actually very straightforward once you break it down. Being able to read a fan curve will allow you to choose the best fan …

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The 3 Basic Fan Laws

Posted by Gary Leseman on September 4th, 2014

Back in the Dark Ages of 1976, before we all had computers sitting on our desks and when engineers still used slide rules, I came to work at Eldridge as a very young sales engineer. At that time, I was …

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