Jason burgess HVAC/R Evacuation Quiz July 22, 2022, 7:18 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Your email address will not be published.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

What 2018 Holds for Techs
We don't work in a trade of dreamers and unrealistic New Years' resolutions. We are doers who know that nothing worthwhile comes easy, and 2018 is no different. We have some “threats” entering the residential segment of the trade. Amazon and Google are looking to make a bigger entry into the home services trades, standardizing […]
Read more
Oil Management and Diagnosis
This is a subject that even many commercial guys don’t have to consider. For the majority of equipment, even refrigeration equipment, all that is required for proper oil return is to size the suction line properly, trap the suction line as needed, and allow for proper slope towards the compressor. Then we get into larger […]
Read more
Understanding Relays With the 90-340
Relays can be used for many different control applications, including controlling fans, blowers, other relays, or contactors, valves, dampers, pumps, and much more. A 90-340 is a very common, versatile relay that many techs have on their truck. So, we will use it as an example. A relay is just a remotely controlled switch that […]
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