Introduction Replacing a reversing valve is either every technician’s dream or nightmare. The sheer amount of brazing involved in confined spaces will inspire either delight or nightmares about the upcoming valve replacement. Fortunately, these emotional highs and lows are uncommon because we don’t diagnose and replace bad reversing valves very often.  That itself poses a […]

In the residential HVAC industry, technicians are faced with customers every day. Each interaction presents its own set of unique challenges since no two customers are ever the same. While the variety of people we may encounter is wide, the HVAC technician's variety of soft skills and intuitive ability to communicate needs to be even […]

When the quiz or the teacher asks what “latent” heat is, there is generally some reference to it being hidden heat, which is what the word “latent” means. We then learn that it is heat energy transferred that results in a change of state rather than a temperature change. Later on, we hear a lot […]