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Carlos HVAC/R Evacuation Quiz August 23, 2022, 4:56 am
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Hot Pull Down and What it Means
If you work in refrigeration, you may have heard the term “hot pull down.” This phrase describes a condition where the load on the evaporator is above design due to the box temperature or the temperature of the product in the box being higher than it would normally be. My grandpa called me a few […]Read more
A Common Sense Look at Temperature Conversions
Before we convert temperature scales, let's take a step back and think about what temperature is in the first place. Temperature is proportional to the average kinetic energy of the random microscopic motions of the constituent microscopic particles, such as electrons, atoms, and molecules. Translation: Temperature is the average “movement energy” of the molecules in […]Read more
Workers of The World UNITE!
Yes, I'm walking a fine line with that title or even writing about Labor Day or workers' movements at all. So, let's take a step back, strip away the politics and economic theory, and talk about this from a human standpoint. Peter McGuire was born in New York in the 1850s to a poor family […]Read more