Tech Tips

This tech tip was written by Don Gillis with Chemours. Thanks, Don! You’ve probably heard it way too many times now: A2Ls are coming.  While we’ve heard a lot about what “A2L” really means and the R-410A phasedown timeline, there isn’t a lot of public information about what to expect on the service side. I’ve […]

In the last year or so, I have had a couple of puzzling experiences related to pulling a vacuum. These instances have left me with questions and clues where I thought I had given up on understanding a certain vacuum situation. Typically, if I’ve had a hard time achieving a proper vacuum, I would be […]

The other morning, I was scrolling through HVAC Facebook groups when I came across a post from a homeowner. He was requesting recommendations for a book that would teach him how to design and install a new HVAC system, complete with ductwork, in his home. Immediately, my HVAC career flashed before my eyes like a Christian reliving […]

Imagine this: you are pulling into your driveway from a long day at work, and you see a package waiting for you on your porch. You jump out of your truck and trip over the rose bush while running to see if this is what you have been waiting for. Upon closer inspection, you realize that the […]

This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich, as well as special guests Corbett Lunsford and John Semmelhack. You can watch that livestream on our YouTube channel HERE, and you can learn more about the great educational opportunities Corbett has to offer at https://buildingperformanceworkshop.com/. […]

2023 was a big year for HVAC between the EPA’s final rule about the installation of R-410A split systems and the rise of artificial intelligence (AI) in seemingly all aspects of life. With an ever-changing regulatory landscape, 2024 is bound to bring even more changes.  This tech tip will recap the changes we’ve seen in […]

Understanding the relationships between ductwork, home comfort, and the load on a house is a complicated and dynamic problem. There are a large number of variables. Some of the data is fairly straightforward, like the other elements of field data collection we have covered so far in this series. Ductwork has different levels of insulation […]

It’s that time of year again. The tree has been decorated, cookies have been baked, festive family photos with my 10 kids have been sent out to friends, and we’ve had no shortage of service calls about “smoking” heat pumps. (Don’t worry, that’s normal.) You know how much I enjoy Christmas movies by now, and […]

This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich, as well as special guest Steve Cook from Hisense. You can watch that livestream on our YouTube channel HERE. We also owe special thanks to Roman Baugh, who added some extra information on the topic.  Communicating […]