Swaging copper is one of the most common practices in our trade when it comes to brazing pipes. Yes, it sometimes makes more sense to slap on a coupling or street ell fitting, but most of the time, cutting your braze joints in half is much easier and faster during an install or repair.  So, […]

You may have heard of a Western movie called True Grit. I won’t spoil it for you, but John Wayne joins Kim Darby to hunt down the man who killed Darby’s father and left with the family’s savings. (Wait, you’re telling me there’s a version with Jeff Bridges, Hailee Steinfeld, and Matt Damon? I thought […]

Compressibility is the ability of a substance to be squeezed into a smaller volume. It is the change in volume and increase in density that results from an increase in pressure. The subject of compression should be familiar to HVAC techs. After the return air passes over the boiling refrigerant in the evaporator coils, the […]