This tip was a COMMENT on the sensible heat ratio tip left by Jim Bergmann. As usual, Jim makes a great point; once you get the “sensible” capacity for a piece of equipment at a set of conditions, you can easily calculate a true target delta T. Another interesting thing you can do is use […]

The title says it all. It should be one of the first things you learn when you started. However, I have seen a lot of experienced techs who seldom (if ever) do it. When connecting to a tank, purge your hose by cracking the center connection at the manifold for a second. When connecting to […]

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 […]