Truls aa Refrigeration Basics Quiz June 13, 2021, 12:32 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Your email address will not be published.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

You're Grounded
One of the most common questions we get from techs is about using a voltmeter to diagnose a high voltage circuit. It's especially tricky when a tech is used to working on a low-voltage or 120V circuit, where there is a clear “hot” side of the circuit and a clear “grounded” side of the circuit. […]
Read more
Some Range Hood IAQ Thoughts
This article was written by my good friend Neil Comparetto, a contractor and industry influencer who is helping shape IAQ for the HVAC industry in the US for the better. Thanks, Neil! Indoor air quality (IAQ) monitors can tell you a lot about the air you are breathing. We find that the information is valuable […]
Read more
7 Horribly Challenging Ways To Transform Your Business
Business isn’t easy. Generally, when I look back at how much work it has taken to get a business off the ground, I wonder what I would have done if I had known what I know now. I wonder if I still would have been willing to put in all that work all over again. […]
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