Gerry Wagner is the Vice President of Business Development for Bathica, Quebec,Canada. He has forty one years in the HVACR industry working in manufacturing, contracting and training. You can contact Gerry by email: gerrywagner@Bathica.com and also please visit our website: www.TOSOTamerica.com   Refrigerant Heat Transfer In Air To Air Heat Pumps    Early Man The magic of refrigerant:  It…

Refrigerant Recovery I often see new techs asking how to recover – or even experienced techs asking how to recover faster, so let’s take a look at both.  If looking to connect with a strong culture of HVAC technicians, check out the subscription based HVAC Know It All app.   This all originated from…

Azeotrope vs. Zeotrope By Gary McCreadie   After reading this article, check out a short podcast on this subject.   Do you understand your refrigerant? Do you listen to it, communicate with it... wipe it's tears when it's sad? Yah probably not, but it is important to understand some terminology, so you can understand your refrigerant's deepest,…

Tip: Raise Refrigerant Tank Pressure For Easier Charging In Cold Weather  By Gary McCreadie If you work in an area of the world where winters are harsh, then you have probably experienced difficulty charging a system due to low refrigerant tank pressure.  Refrigerant tank pressure is directly related to the ambient temperature…

Tip: Seal Your Service Valve Caps For A Leak Free System By Gary McCreadie It wasn't too long ago I performed a leak check on a couple of large chillers.  I used my Testo 316-3 electronic leak detector for the inspection.  I found no significant leaks, but what I did find was…