HVAC/R Evacuation Quiz November 29, 2021, 2:16 pm

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Related Tech Tips

Bernoulli's Principle
Have you ever thought about the relationship between velocity and pressure? If you think about a fluid being forced through a small orifice, you can fairly easily picture the fluid speeding up as it goes through the orifice. However, did you also know that the surrounding static pressure DECREASES at the point of high velocity? […]
Read more
Retrofitting Existing R-404A/R-507A Systems
This article was written by Don Gillis with Chemours. Thanks, Don! With the American Innovation Act (The AIM Act) in place and the reduction of the supply of hydrofluorocarbons (HFCs) in effect, the need to retrofit systems with lower global warming potential (GWP) refrigerants will become commonplace in the very near future. So, what does […]
Read more
Remote Ice Machines - The Basics
Remote Ice Machines Why would someone want to take an already complicated machine and make it even more complicated? The answer: human arrogance and engineer's hubris. (Just kidding.) Fortunately, thousands of these ice machines have been installed and serviced. Let's take a little overview of a few of the critical differences and things to consider […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from