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Air changes per hour (ACH/ACPH) simply describes how many times the total quantity of air in a room (or structure) is completely replaced per hour. … Read more
Our company recently had an incident where someone was operating a scissor lift and hit a fire sprinkler with it. The sprinkler activated, and the … Read more
A few times in the past, we’ve heard the phrase “the house is the biggest duct” because of the way air moves through it. Well, … Read more
Delta T is the difference in temperature between two points of the same medium. It is commonly used by scientists and engineers to analyze the … Read more
Fenestration is a fancy architectural term that means “openings in the outside of the building.” You will see this word a lot when you read … Read more
Photo Courtesy of Parker/Sporlan There are many brands and styles of evaporator pressure regulating valves (EPR), but none as common as the Parker/Sporlan SORIT and … 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
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
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
This tech tip was inspired by a Facebook post by Jason Julian in the HVAC School Group. Jason is the owner of his own HVAC … Read more
I didn’t set out to become a High-Performance HVAC™ craftsman. Like many others, my career began by doing what I
Business Development Resources (BDR), the training and business coaching authority for home services industry professionals, announces the return of its
Putting the customer first during this short-term transition with bold initiatives to increase refrigerant supply and access without increasing costs.
Malco Tools, one of the nation’s leading solution developers and manufacturers of high-quality tools for the HVACR and building construction
