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Open and Closed Case
I know I'm gonna get some eye-rolling here, but it needs to be said. When we teach electricity to new techs, we use a lot of “water” metaphors. We talk about volts like PSI, amps like flow, and watts like GPM (speaking of GPM in HVAC, check out our article on hydronics HERE). Even the […]Read more
DISCLAIMER: HVAC School is NOT an official OSHA safety training resource! Although we provide safety tips in good faith, our website is not a substitute for safety training from an authorized OSHA training source. Locking out and tagging equipment is one of the most basic safety procedures in general industry and maintenance work, especially in […]Read more
Principles Of Troubleshooting: Seeing the Big Picture
If you’ve been in this trade for any length of time, I’m sure you’ve run into situations that have left you scratching your head. If you’re lucky enough, you have the ability to call a senior tech, service manager, or company owner to bail you out of this situation. But have you ever run into […]Read more