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Refrigeration Frost vs Ice Truths for HVAC Techs to Prevent System Failure - Julian Finbow Part 1
In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Julian Finbow, RSE, Service Tech Support at Swegon North America, and Principal at Finbow Inc., to discuss refrigeration defrost methods and why they are essential for system performance. Julian explains how frost forms on evaporator coils, the difference between normal frost and ice buildup, and why proper defrost timing is important. The conversation covers common defrost methods such as hot gas, electric, off cycle, and off time defrost, along with how humidity, door openings, and evaporator placement affect…
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