There is a big move in residential and light commercial HVAC toward measuring static pressure regularly during commissioning, service, and maintenance. Don't get me wrong… Measuring static pressure is VERY important. The challenge comes in when techs begin taking measurements without understanding where to take them, what they mean, or worse: they use measurements as […]

The following is based on a true story. No product was harmed in the making of this tech tip, and some facts may have changed to protect the guilty and because I forgot some of them. We got a job installing a new 1-to-1 split refrigeration case with R448a, and it had a typical thermostatic […]

Let’s face it, refrigerant leak detection and prevention will always be important in our trade. Whether we’re dealing with leaks from corrosion or poor connections, we will always run into them in some form. We’ve touched on refrigerant leak prevention and detection quite a lot at HVAC School. Many of our articles, podcasts, and videos […]