Tanner Dakin High-Efficiency Furnace Quiz March 4, 2022, 10:37 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Your email address will not be published.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

Second Law of Thermodynamics
  The second law of thermodynamics puts the first law into context and establishes entropy as a concept. We can simply define entropy as a state of disorder that can only increase or remain the same in natural processes. Processes in which entropy remains the same are reversible, but ones that result in an entropy […]
Read more
Air Filter Static Pressure Drop
I'm a big dummy when it comes to my own air conditioning maintenance. I talk about the importance of changing air filters to customers and techs, but I never stay up on replacing my own. Yesterday, I walked into my mechanical room, and my 2-ton air handler sounded like a vacuum cleaner about to implode. […]
Read more
Can You Discharge a Capacitor Using a Voltmeter?
I got a lot of comments that many of you discharge run capacitors with a voltmeter. I test this method vs. the capacitor discharge tool I created. Obviously, many of you use needle nose pliers or a screwdriver. While this is widely practiced, it could result in an arc, shock, or damage to the capacitor. […]
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