Hvac Know It All Podcast

In part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Jim Bergmann, President of measureQuick and Director of New Product Development at Redfish Instruments Inc. In Part 2, they discuss topics like the evolution of vacuuming techniques, moving away from triple evacuation, and why modern two-stage pumps are more efficient. Jim explains how to detect leaks using the decay vacuum method, the importance of nitrogen purging, and how refrigerant and oil behavior affects evacuation times. They also discuss the role of Measure Quick in helping technicians diagnose system issues and communicate better with customers, offering a more accurate approach to repairs and replacements. This conversation is full of tips for improving HVAC service and troubleshooting. Jim talks about how evacuation techniques have changed over time, moving away from triple evacuation to a single, deeper pull with modern pumps. He explains how refrigerant and oil mix, causing slow evacuat