When you first start your HVAC career, it’s pretty common to be afraid of failing or doing substandard work. The job market is competitive, and many new techs may worry that they’ll be inadequate and easy to replace. So, the fear of failure is common and understandable. Embarking on an HVAC career journey can be […]

In HVAC, you will hear the word “flux” used in two totally different parts of the trade. You may have heard of magnetic flux before. Magnetic flux is the lines of force that emanate from a magnet. You often hear about magnetic flux lines in discussions of motor theory. Transformers also use electromagnetic flux to […]

First, a thermocouple is not a flame rectifier like a modern flame sensor. A thermocouple actually generates a millivolt potential difference when it is heated by a flame—just to get that out of the way for any of you newer techs who are used to modern flame sensors. With higher efficiency gas-fired equipment being the […]