This tech tip video comes from my friend Andrew Greaves of AK HVAC and HVAC Comedy on Youtube and the HVAC Vehicle Layouts group on Facebook. Many residential techs get confused when they see these multi-position valves in larger equipment, and Andrew does a great job of demonstrating the basics in this video. In the […]

WARNING: THIS ARTICLE IS FULL OF CHEESY SPORTS REFERNCES – I UNDERSTAND IF YOU PASS ON THIS ONE, BUT PLEASE REFRAIN FROM SENDING THE REPLY EMAIL ABOUT WHY SPORTS OR STUPID OR WHY YOU DON'T WATCH THE NFL ANYMORE…. I GET IT… IT'S ALL GOOD  I really like an underdog story. I live for stories […]

A refrigerant is anything we use to move heat from one place to another using the compression refrigeration circuit. However, the history of refrigerants and the different kinds is quite diverse and interesting. Have you ever noticed how your skin feels cool after you apply some rubbing alcohol to it? For a long time, scientists […]