When brazing and soldering, we have a few things we need to accomplish to make a proper connection: We can't overheat the joint until it overheats the base metal or the flux where applicable. We must bring the entire joint above the melting temperature of the brazing alloy. Draw the alloy deep into the joint. […]

As the evening approaches on this All Hallow's Eve, Reformation Day, or Halloween (depending on your preference), let us take a moment to focus on some of the truly terrifying elements of our trade—because the scariest stories are TRUE. Real Ghost Stories  The year was 1921, and a wealthy family purchased a new home in […]

I see a lot of techs and installers use tape over foam tubing insulation joints (Rubbatex, Armaflex, etc.) rather than using the glue that is designed for it. Some of them use tape because they don't know the glue exists; some use tape because it's what they happen to have on the truck, and others […]