This article is primarily based on HVAC School’s “Drain Cleaning – More To It Than We Think,” hosted by Bryan Orr and featuring Corey Cruz and Mike Klokus. You can listen to that episode HERE. How hard could it be to clean a drain? The slime should just wash away if you flush the drain […]

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 […]

This article (and many other great training articles) was written by my friend and great educator Jamie Kitchen. This article was originally posted on LinkedIn HERE and has been republished for your benefit with his permission. Thanks, Jamie! I remember back in college I was immersed in a particularly challenging problem dealing with poly-phase circuits. […]