Many installers and service technicians know how to read and use a manufacturer fan table, but this is a quick review with a few extra tips for newer techs. It’s also a good reminder to senior technicians about how this easy-to-use practice can also be easily abused. At installation, properly setting up airflow is imperative to the […]

There's a moral to this story, though it is a bit more of a cautionary tale than most I write. While it doesn't rank with the story of three wise men or even Frank Capra's Christmas classic “It's a Wonderful Life,” you may find some common threads with both learning wisdom and remembering why throwing […]

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 […]