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 […]

Understanding Heat Pump Defrost Cycles: What Homeowners Need to Know Older Heat pumps may have a bad reputation but newer heat pump technology has been a game-changer for many homeowners, providing efficient heating and cooling throughout the year. But as with any piece of equipment, they have their quirks. One particular aspect that often raises […]

Condensate overflow prevention devices or float switches, as they are often called, are such simple devices that you wouldn't think there would be much room for controversy. In my experience, there are few areas of the trade where technician and installer preferences and opinions vary greatly. Let's start with some float switch basics. Float (condensate) […]