Greg Hughes Basic Refrigerant Circuit Course March 1, 2022, 3:11 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Your email address will not be published.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

How (and Why) to Flow Nitrogen While Brazing
When I started in the trade, the idea of flowing nitrogen while brazing was nothing more than the punchline of a joke. Like pulling a vacuum with a micron gauge or proper recovery, it was a wink and nod proposition rather than a real practice. I've had to unlearn many bad habits since those early […]
Read more
5% vs. 15% Silver Solder (Brazing Rod)
First, let's get something straight: BRAZING is when you use a filler rod that isn't the same material as the base metal but melts ABOVE 840°F. Soldering is the same but at temperatures BELOW 840°F. With HVAC rods melting at around 1200°F, it confuses me why we usually call it “silver solder” but also often call it […]
Read more
Connecting Transformers in Parallel
I had an old-timer tell me that you can never connect two transformers together because they will “fight one another.” If you are anything like me (and heaven help you if you are), a cartoon in your head starts playing whenever someone says something like that. In this case, I imagine two transformers with boxing […]
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