Does Voltage or Amperage Kill You? By Bryan Orr
I hear the following phrase a lot: It’s the amperage that kills you, not the voltage. While there is truth to the statement, it … Read more
I hear the following phrase a lot: It’s the amperage that kills you, not the voltage. While there is truth to the statement, it … Read more
The term “short” has become a meaningless phrase in common culture to mean “anything wrong with an electrical device.” In reality, a short circuit … Read more
Before I start on this one… At HVAC School, we focus on a wide range of topics. Many of them are very basic. My … Read more
I’d like to give special thanks to Roman Baugh for the section about compressor superheat. It’s not something we talk about very often outside of … Read more
Some techs and contractors swear that flex ducts are an evil invention and should never be used in ANY circumstance. I agree with what … Read more
I’d like to give special thanks to Steve Rogers from TEC for helping write this tech tip and sharing some helpful visuals. Thanks, Steve! ACCA … Read more
My goal in this tech tip is to help those who struggle to understand heat pumps get their heads around them as quickly as possible … Read more
This is the article you read BEFORE you call and ask a senior tech what your subcooling should be. It’s also the one you send … Read more
First, let’s cover the basics. X13 is a brand name for the Regal Beloit/Genteq brand of constant torque motors; there are other manufacturers that … Read more
Let’s start with the basics. Water freezes at 32° Fahrenheit (0° Celsius) at sea level and at atmospheric pressure. When any surface is below that … Read more