2019

The old “20 degree rule” has come up many times and it's time to put to rest

I got in one of these tiny torches the other day to experiment with brazing aluminum in tight spots, and one of the techs walked in and asked, “What type of torch is that?” I answered, “It's oxy/acetylene.” He picked it up and looked at it a bit, then asked, “Does that get hot enough […]

Nathan Orr is back and we discuss suction pressure in market refrigeration and how rack techs think about it differently than HVAC

Nathan and Bryan have a rollicking conversation on his transistion from residential to markets and whats he's learned along the way that can help you decide if moving to market refrigeration may work for you

I walked into my first real job interview in the HVAC trade. The manager was a guy named Ernie, and he walked me out to the warehouse. Quick warning: guys named Ernie are tough. Don't mess with a dude named Ernie. He walked up to a box, snatched a pen out of his shirt pocket, […]

We talk with chemical and cleaning expert Ray Field on Legionnaires' disease, what it is, it’s history and what can be done to proactively prevent it.