Let's take a deeper dive into the magic that is gas defrost. Most techs who are familiar with heat pumps understand the basics of a gas defrost. When we apply this strategy to a larger system where we're only reversing a small part of the system, we need to add some controls and valves to […]

Almost nothing is as de-motivational and soul-sucking as boredom and complacency, and there is often no other place that we experience as much monotony as our work. Here is my top list of four ways to keep from dying of boredom in business. 1. See the Art in Your Work Many of us may be […]

In HVAC systems, liquid and vapor will exist at the same time and place. We call that condition saturation, or we say that the refrigerant is “at saturation.” Phase changes occur in the evaporator and condenser, so these are spots where liquid and vapor coexist while the system is running. Saturated conditions occur whenever liquid […]