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 […]

On an energized, intact circuit, you will read voltage across an OPEN switch when testing with a voltmeter. However, you probably won't read significant voltage across a CLOSED switch. Both sides of a closed switch are electrically identical (or at least very close). Therefore, there should be no movement of electrons between the leads of […]

Whether you’re a business owner or want to create an HVAC education program, you’re going to need to create an identity for your organization and put it out there. That’s called “branding” or “creating a brand.” Nowadays, we hear the term “brand” thrown around quite often with influencers and large corporations. As such, the word […]