Air filters create resistance to airflow that can reduce a fan’s ability to move air by up to 50%. You can evaluate the filter’s impact on airflow by measuring the pressure drop over it. It takes less than a minute to do. It is often the diagnostic test that...
What makes modular or two-piece different from their single-piece cousins when it comes to measuring total external static pressure (TESP)? In this article we’ll examine the differences and discuss how to measure TESP correctly. “As-Shipped” The “As-Shipped”...
I hear a lot of reasons for taking static pressure measurements on every service call. One of the most common is that it takes too long — there isn’t enough time on a call to do it. Let’s face it, technicians have a lot of responsibilities and measuring static...
Many technicians who work on fuel-fired equipment will admit they’ve singed their eyebrows when watching a burner light. It’s a rite of passage among most seasoned technicians. What if there was a safer way to check ignition instead of sticking your face in front of a...
Chances are high that you’ve encountered disastrous equipment replacement jobs you’d love to forget. Whether it’s the customer who now has high humidity issues, or the system that can’t maintain temperature anymore — we’ve all experienced them. Indeed, in many...
