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 […]

The first law of thermodynamics is an extension of the law of energy conservation. The latter states that energy can be neither created nor destroyed but converts from one form to another. Thermodynamics is the study of heat’s relationship with mechanical work, and it establishes heat as a form of energy that can be neither […]

Commissioning a system is critical anytime a technician makes any type of repair or alteration to an existing system. It’s also important if you’re working on a system you’ve never worked on before, and it’s a vital part of a new install start-up. Basically, commissioning systems is an everyday responsibility for technicians, which means everyone […]