Quote:
Originally Posted by Malsua
ASHRAE, EPA, PMC studies etc disagree with you. Good systems actually do work to kill organics. I don't know what Cheeseball units Sunkool installs, but a quality unit can reduce airborne pathogens well in excess of 95%. Hospital operating rooms take it to a whole nother level, but UV-C light inactivates pathogens quite effectively.
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I don't know about shining a UV light onto a fixed coil, but shining a light for less than a second through air that is moving through an air handling unit has no chance to sanitize an entire house. For that purpose, it is worthless. But that is what people who sell these devices will claim. To clean mold or other contaminents on an evaporator coil, I would rather use a chemical that is designed for that purpose. Even if the UV light works, there is no way for it to reach the entire coil.