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James Reddy HVAC/R Evacuation Quiz October 2, 2021, 8:21 pm
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Have you ever thought about the relationship between velocity and pressure? If you think about a fluid being forced through a small orifice, you can fairly easily picture the fluid speeding up as it goes through the orifice. However, did you also know that the surrounding static pressure DECREASES at the point of high velocity? […]Read more
Humidifiers are a big part of HVAC systems in dry locations, especially in the winter. I have no experience with them personally because they aren't prevalent at all in Florida. I asked some of the HVAC School contributors to weigh in with some of their top humidifier tips. Thanks to Nathan Perney, Steve Domansky, and […]Read more
Infrared vs. Heated Diode Leak Detectors
Every HVAC/R tech needs an electronic leak detector nowadays, and with HFC refrigerants getting more and more commonplace, every HVAC/R tech needs a VERY sensitive electronic leak detector. We often see three types, but let's toss out the corona discharge leak detector right off the top. It just picks up too many other types of […]Read more