Brazing and soldering practices are one of many areas in the HVACR field where what is commonly practiced isn’t what’s best, and what’s taught doesn’t apply in all cases. Let’s start with the basics.

This video from Ameritherm demonstrates the process of brazing. Brazing is a heating process in which two or more like or unlike materials are joined together by means of another metal alloy with a ...

Brazing joins parts by heating them to more than 840°F and applying a filler metal that has a melting temperature below that of the base metal. Filler metal flows into the joint by capillary ...

A few months back, I got lucky. My 1980s mountain bike, a 1987 Schwinn Cimarron I got for $150, snapped in half. The luck was twofold: First, I was just putting along a little trail and not flying ...

Remember when copper was commonly used in mobile air conditioning? Hans Fernqvist does. He’s a leading technical expert on climate AC systems at Volvo Car Corp. and has been actively involved in the ...