Many in our industry can misunderstand the differences between temperature and heat, although these are related. Substances are composed of many moving molecules that change their speed as they release or gain heat. When we heat a glass of water in a microwave, its molecules start to move more quickly. The velocity increase results in […]

My friend Ami Slavin requested that I write about this important topic in response to the horrifying videos showing up online of death and gore associated with compressors exploding. He pointed out that the “diesel effect” can be the cause, so let's explore what may be—and likely is—leading to these horrible incidents. In a diesel […]

In HVAC, you will hear the word “flux” used in two totally different parts of the trade. Magnetic flux is the lines of force that emanate from a magnet, and you often hear about magnetic flux lines in discussions of motor theory. This type of flux has nothing to do with that… Flux in soldering, […]