This is a basic overview of the refrigeration circuit and how it works. It isn't a COMPLETE description by any means, but it is designed to assist a new technician or HVAC/R apprentice in understanding the fundamentals. First, let's address some areas of possible confusion:  The word “condenser” can mean two different things. Many in […]

When I was younger, I used to play and watch golf quite often. My father enjoys golf, and he would take me with him on many of his Saturday morning rounds. As a kid, it was all about DISTANCE. All I cared about was how far I could whack the ball with a driver—ESPECIALLY when […]

I walked into my first real job interview in the HVAC trade. The manager was a guy named Ernie, and he walked me out to the warehouse. Quick warning: guys named Ernie are tough. Don't mess with a dude named Ernie. He walked up to a box, snatched a pen out of his shirt pocket, […]