Not if you are hungry, anyways— A true story. I have a good friend who owns an HVAC company. Not much of a Ph.D., but he is known to be honest, doesn’t pull vacuums through manifolds, and claims to almost always use American-made capacitors. We’ll call him Captain Kirk. He called me recently, quite worked […]

Some of the scariest practices that occur in the field surround brazing practices and tank and regulator handling. A few obvious tips are: Store tanks completely secure and upright with nothing nearby that can easily open or damage the tank valve. NEVER store tanks in a torch kit with it off only at the torch […]

We just wrote about rejecting heat to the atmosphere via radiant cooling. That’s one example of cooling without refrigerants, but there are quite a few others out there. In this article, we’ll look at some other cooling methods that don’t use refrigerants. Vortex tubes Vortex tubes swirl gas in a chamber, separating it into hot […]