Before I start on this one… At HVAC School, we focus on a wide range of topics. Many of them are very basic. My experience as a trainer for over 16 years has taught me that no matter what I assume others SHOULD know, it doesn't change the fact that they often do not. This […]

The old adage goes: “When all you have is a hammer, everything looks like a nail.”  For some techs I know, even having a hammer can be challenging. I was pretty new in business, and my first real “employee” hire in the HVAC part of Kalos was my brother, Nathan. Many of you know him, […]

In HVAC/R, we are in the business of moving BTUs of heat, and we move BTUs via pounds of refrigerant. The more pounds we move, the more BTUs we move. In a single-stage HVAC/R compressor, the compression chamber maintains the same volume no matter the compression ratio. The thing that changes is the number of […]