Jim Bergmann and I recorded a podcast for HVAC School that covered when and how to check the refrigerant circuit without connecting gauges. Listener Joe Reinhard listened several times and wrote up this summary of what he gained from the episode. I edited it lightly, but most of this is his work. Thank you so […]

“Robert Boyle” by Stifts- och landsbiblioteket i Skara is licensed under CC BY 2.0 Robert Boyle was an Anglo-Irish philosopher and scientist born in 1627. He had a privileged upbringing, as he was a son of the first earl of Cork, and his social standing gave him access to a first-class education at Eton College. […]

Knowing how to combine capacitors in series and parallel properly is a great practical field skill to employ when you need to get a customer up and running, but you don't have the exact size. Increasing in size is easy. Just connect in parallel and add the two sizes together. For example, if you needed […]