Get Tech Tips
Subscribe to free tech tips.
HVAC/R Evacuation Quiz June 16, 2022, 12:51 am
Related Tech Tips

We all have some weird tools we keep in our tool bags. A baster may look suspicious, but it comes in really handy for removing water from a float switch. This one is extra handy because it comes with a nice tapered bottle brush inside it that works great to clean out the outlet port […]
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
In the trade, we talk a lot about changes in enthalpy, especially when we are looking at total heat exchange over an evaporator. Sometimes, you will bump into the word entropy, and I wanted to take a stab at making it more understandable. Many people understand entropy as the condition in which molecules become more […]
Read more More tech tips