Many HVAC/R technicians (including me) describe the compressor as the heart of the refrigeration cycle. It prepares the refrigerant for the condensing process, which is crucial for heat rejection.  However, some refrigeration methods don’t require a compressor. In this article, we’ll look at those methods and their applications.   Gas movement without compressors As you […]

You may have heard about “swamp coolers” before. Surprisingly, we don’t see too many of them in Florida—even though the state is famous for its swamps.  Contrary to their name, swamp coolers are common in arid (dry) climates. They’re also called evaporative coolers because they use the evaporation process to cool the air.  This article […]

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 […]