The POE Problem | John Pastorello

Ralph and Zack interview John Pastorello about a condition called "The POE problem". John has studied oils and refrigerant additives for many years and has decided to share some conclusions with the HVAC Shop Talk audience.  Subcribe to the email list (win some prizes too!) - http://eepurl.com/c2eywf Facebook page - https://www.facebook.com/hvacshoptalk/ Facebook Group - https://www.facebook.com/groups/127864027809161/