In many cases when a low-voltage or control circuit blows a fuse, it's because one of the circuits is shorted to ground or common. That may happen because of rubbed-out wires, shorted components or boards, etc. Routing wires sensibly and using proper grommets to avoid rubouts and shorts will help prevent those problems. Less commonly, […]

I've always opposed the practice of grabbing a hub puller as the first method of removing a blower. This video by Brad Hicks with HVAC in SC on YouTube demonstrates the exact method I use to safely remove a blower wheel without damaging anything. Thanks, Brad! Transcript What's going on, guys? Here's another 60-second tech […]

My friend Ami Slavin requested that I write about this important topic in response to the horrifying videos showing up online of death and gore associated with compressors exploding. He pointed out that the “diesel effect” can be the cause, so let's explore what may be—and likely is—leading to these horrible incidents. In a diesel […]