Carbon Monoxide (CO) isn’t just a winter issue. As I write this article, a local Lexington, KY news story broke that one person is dead and 11 others hospitalized from CO poisoning. As more details emerge, hopefully, they’ll identify the source. But for...
The quest for greater energy efficiency has been promoted by the government using utility company programs for more than a quarter of a century. This movement has made consumers aware that higher efficiency equipment is the right thing to use. Manufacturers have...
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...
