Wouldn't the filter simply be placed on the air intake side prior to passing thr...

		sizzle on July 12, 2020 \| parent \| context \| favorite \| on: Researchers create air filter that can kill the co... Wouldn't the filter simply be placed on the air intake side prior to passing through the HVAC coil and being cooled? Why heat the air after it is passed through the coil and is cooled?