2018

This episode Bryan covers three things you can do to make you a much better tech tomorrow and everyone will notice

Another follow-up article by Michael Housh… Enjoy! In this article, I thought I would show a pump curve and match it up with our system head-loss curve that we created in the last article, but before I do that, I thought I would talk a little bit more about the system head-loss curve and why […]

In this episode Jim Bergmann does a deep dive into combustion analysis and covers everything you need to know to keep a furnace running safe and efficient

Here is another excellent article from Michael Housh, owner of Housh Home Energy and a regular contributor to HVAC School. Thanks, Michael! I thought I would go through a simple example of sizing a hydronic circulator for an application. This is a made-up scenario, but I sketched out a 20’ x 20’ square home with […]

This episode is about a simplified way to explain the basic refrigerant circuit to new techs that may help lock in the basic idea of absorbing and rejecting heat

This article is written by one of the smartest guys I know online, Neil Comparetto. Thanks, Neil! Recently, I posted a question in the HVAC School Group on Facebook that went like this: “When designing a residential duct system, what friction rate do you use?” As of writing this, only one answer was correct according […]

This article was written by Michael Housh, owner of Housh Home Energy and a regular contributor to HVAC School. Thanks, Michael! This is another article in trying to relate the air side of HVAC with the water side. In this article, I’m going to talk about how to determine pump flow (GPM) based on the […]

In this part one of the two part combustion analysis series Jim Bergmann covers CAZ testing or Worst-Case Draft and Pressure Testing in detail and why it matters to techs and customers

In this episode we talk about what it REALLY takes to setup and commision a new system properly