anish HVAC/R Evacuation Quiz July 27, 2021, 12:38 am

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Your email address will not be published.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

TD of Refrigeration Evaporators
We have discussed DTD (design temperature difference) quite a bit for air conditioning applications, but what about refrigeration? Let's start by defining our terms again. Suction Saturation Temperature The saturation temperature is the temperature at which the refrigerant will be at a given pressure if it is currently changing state. This change of state would […]
Read more
Beware of "Ghost" Voltage
Disclaimer: “Ghost voltage” is a term used by techs to explain a phenomenon where they measure voltage they don't expect or when the voltage they see doesn't do the work they expect. More advanced techs know how to use the Lo-Z (low impedance) mode on their voltmeter if it has one to help eliminate this. […]
Read more
Skills in the Toolbag
The old adage goes: “When all you have is a hammer, everything looks like a nail.”  For some techs I know, even having a hammer can be challenging. I was pretty new in business, and my first real “employee” hire in the HVAC part of Kalos was my brother, Nathan. Many of you know him, […]
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