Hvac Know It All Podcast

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Matthew Waxer, HVAC/R Mechanic at Kilmer HVACR Services Inc, about proper system setup and the impact of moisture and refrigerant charge on system performance. In Part 2, they discuss evacuation practices, moisture control, and how acid can form inside a system and damage components. Matthew explains the risks of undercharging and overcharging, including overheating, high-pressure issues, and liquid returning to the compressor. They also cover concepts like superheat, subcooling, and compressor envelopes, along with common failure causes such as flood back and flooded starts. The conversation wraps up with practical insights on avoiding costly breakdowns through proper installation and maintenance. Gary and Matthew discuss how moisture and refrigerant charge affect system performance and compressor life. They explain how poor evacuation leaves moisture in the system, which can lead to acid formation and damage over time. Matthew d