I watched an instructional video the other day where the guy kept palming his gauge manifold and CRANKING down on the valves when he closed them. I've seen techs use channel locks—and even vise grips—to tighten down their gauges “just in case” when they have a hard time finding a leak or a vacuum that […]

This tip was a COMMENT on the sensible heat ratio tip left by Jim Bergmann. As usual, Jim makes a great point; once you get the “sensible” capacity for a piece of equipment at a set of conditions, you can easily calculate a true target delta T. Another interesting thing you can do is use […]

  We’ve already made a few tech tips and uploaded a few podcasts about HVAC business practices, including some on profitability. That content is all fine and dandy, but those podcasts, articles, and videos may seem out of touch with most of our audience. After all, that content hardly seems to apply to the bread […]