Get Tech Tips
Subscribe to free tech tips.
Related Tech Tips
Troubleshooting 90%+ Gas Furnaces
This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich and special guest Ty Branaman. You can watch that livestream on our YouTube channel HERE and visit Ty’s at https://www.youtube.com/@love2hvac. While 80% gas furnaces are relatively commonplace in the Southeastern United States, where HVAC School is […]Read more
Determining the Air-Side Charge of an Expansion Tank
Michael Housh from Housh Home Energy in Ohio wrote this tip to help techs determine the air-side charge on a pressure tank. Thanks, Michael! Determining the air-side charge of an expansion tank in a hydronic heating system is a relatively easy task. A properly sized and charged tank is designed to keep the system pressure […]Read more
What is Inductive Reactance?
Ohm’s law is pretty straightforward; you multiply ohms by amps to get the voltage. Using variable E to represent voltage, variable I for amps, and variable R for ohms, the equation for Ohm’s law looks like this: E = I × R You can figure out the number of amps in a system using basic […]Read more