This tech tip was written by a friend of HVAC School, Brian Mahoney. He is an HVAC instructor at Western Suffolk BOCES/Wilson Tech. Thanks, Brian! The podcast on delta T for A/C the other day got me thinking about the formula I learned in school about calculating the GPM of a hydronic system. We will […]

This article was inspired by a podcast episode about the house being the most underappreciated duct with Joe Medosch. You can listen to that podcast HERE. We probably think about sheet metal, flex duct, or the ever-controversial duct board when we think about ducts. It’s probably shiny and out of sight in most homes. But […]

My grandfather is a really interesting guy. He grew up working in the Pennsylvania coal mines starting at the age of 7 or 8. Then, he worked as a well driller, was a plumber, went to HVAC school, did some gas work, worked a while as an electrician, became a welder, was a diver, and […]