Get Tech Tips
Subscribe to free tech tips.
Oliver Basic Electrical Theory July 19, 2021, 12:46 pm
Related Tech Tips

This article was written by boiler technician Justin Skinner. Big thanks to Justin for being one of the rare techs who cares enough to take the time to write something like this. Thank you, Justin! Pressure switches are used in a variety of applications. Generally, they are a normally open switch that closes with either […]
Read more
There was a question in the Facebook group a few days ago about averaging sensors. There are two common configurations/methods used for averaging. The first is simply a setting in a thermostat or control where it reads separate sensors, and then the thermostat itself averages out the readings using its software. For example, if 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. Let’s be honest: most of us probably got into the HVAC trade because we enjoy working with our hands. Unfortunately, […]
Read more