Eduardo flores High-Efficiency Furnace Quiz December 31, 2022, 1:48 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Your email address will not be published.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

Change O-rings, Not Hoses
Make the most of those expensive refrigerant hoses.
Read more
Non-non-condensables
  Flowing nitrogen while brazing and pressurizing with nitrogen are great practices. Putting nitrogen in with the refrigerant? Not so much. Nitrogen is a “non-condensable” gas because it cannot be condensed (under normal conditions). However, nitrogen is just one of the non-condensables. First, let's talk about what a non-condensable gas is. Any gas that does […]
Read more
Preventing Callbacks and Warranty Returns
“Haven’t you heard?! Air conditioning is a fundamental human right! If you don’t support my right to have air conditioning 24/7, then you’re an awful human being!” Okay, that impression of an entitled customer is a bit of an exaggeration, but it is true that customers have high expectations for service workers.  But can we […]
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