HVAC/R Evacuation Quiz June 13, 2021, 8:46 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Your email address will not be published.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

Swaging Copper: Best Practices
Swaging copper is one of the most common practices in our trade when it comes to brazing pipes. Yes, it sometimes makes more sense to slap on a coupling or street ell fitting, but most of the time, cutting your braze joints in half is much easier and faster during an install or repair.  So, […]
Read more
Impacts of Compression on Temperature
Many in our industry can misunderstand the differences between temperature and heat, although these are related. Substances are composed of many moving molecules that change their speed as they release or gain heat. When we heat a glass of water in a microwave, its molecules start to move more quickly. The velocity increase results in […]
Read more
Do You REALLY Want Feedback?
There is almost nothing worse than creating something—or doing something you are proud of—and getting no feedback. Wait, I take that back. Putting your heart and soul into something and then getting negative or dismissive feedback can be worse. How many times have you emailed a quote, a design, or photos of something asking for […]
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