As with most other trades, HVAC/R technicians need to have a solid set of hard skills to make it in the industry. Whether we pick up those hard skills by working on cars as teenagers, learning them in a trade school, or acquiring them on the job, we’ll have to rely on our hard […]

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 […]

A refrigerant is anything we use to move heat from one place to another using the compression refrigeration circuit. However, the history of refrigerants and the different kinds is quite diverse and interesting. Have you ever noticed how your skin feels cool after you apply some rubbing alcohol to it? For a long time, scientists […]