Flex ducts could be in imminent danger. A few months ago, I wrote about a recent proposal to severely limit the use of flexible (flex) ducts. Due to poor installation methods, the International Association of Plumbing and Mechanical Officials (IAPMO) is proposing to...
Analytics — why are they so doggone important? To answer that, we need to know the terms and references required to understand marketing analytics, whether you are doing it by yourself or using a third-party web management person/team. Looking at analytics...
Let’s talk airflow. We live back in the woods on a half-acre with fifteen 100-foot tall oak trees. For years I’ve imagined sharing leaf blowing airflow lessons with my fellow airheads. Let’s take a look at the mad airflow skills you can master while blowing...
Airflow. It’s in our ventilation sytems. It’s the media through which our weather works. Off the South-Eastern coast of the United States, bounded by Miami (in Florida), San Juan (in Puerto Rico), and the north-Atlantic island of Bermuda, is an area known...
Twenty-two years ago NCI set out on a mission to help the HVAC industry move towards measured performance. At the time, we envisioned a future where most systems would perform at over 90% delivered efficiency. We believed the industry would fix most of the HVAC...
