Everyone involved with IAQ knows about the 1970s, when excess energy use became Public Enemy No. 1 for commercial building designers. Saving energy was the critical goal: Air leaks were being hunted ...

When we hear the words “pitot tube,” we tend to think more of airplanes than of air ducts, but [Franci Kopač]’s guide to pitot tubes for makers shows that they can be a remarkably versatile tool for ...