In this troubleshooting situation you have responded to a complaint that a 4-ton package unit air conditioner is not cooling. When you arrive, you find that the indoor air handler is running, the ...

My first job in the trades was as an electrician’s apprentice doing tasks, such as pulling wire, building light fixtures, and moving scaffolding in grocery store renovations. I moved into HVACR and ...

Last week, I waxed rhapsodic about why we wrench (the joy of solving problems, making choices, doing things our own way, controlling our world), and mentioned a few wiring-related things as examples.