Hvac Know It All Podcast

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Jim Bergmann, President of measureQuick and Director of New Product Development at Redfish Instruments Inc. They talk about the science behind evacuation, the impact of hose size on evacuation speed, and the common misconceptions around pulling a vacuum. Jim explains how using larger hoses and understanding conductant speed can improve evacuation time and performance. They also discuss the effects of temperature on evacuation, particularly in cold climates, and how to prevent moisture buildup in systems. This conversation provides clear insights for HVAC professionals to optimize their evacuation process and avoid common pitfalls. Jim talks about the science of pulling a vacuum and why the size of hoses matters for faster evacuation. He explains how using larger hoses and understanding conductant speed can reduce evacuation time. Jim also clears up myths about ice forming during evacuation and the impact of cold weather. He stresses