There are two camps I've run into regarding cracked heat exchanger diagnosis: those who look for it everywhere and those who dismiss it and never look. I will start by saying that everything I write here is my own opinion and experience. Because this is such a hot-button topic, don't take my word for any […]

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 […]

    Everyone in the HVAC/R trade uses some type of torch to braze or solder alloys together. So, what is the proper way to handle an oxyacetylene torch? It turns out that there’s more than one right answer. Depending on which torch rig you use, the manufacturer’s manuals for operation may vary.  Everyone (hopefully) knows […]