+2 votes
by (2.8k points)
Does anyone put air filters behind their air return vents? Didn't realize this was a thing until I just saw it on tv!  
Does anyone put air filters behind their air return vents?

1 Answer

+2 votes
by (10.8k points)
 
Best answer
No but I’m intrigued. If someone does, please post a link!  
by (10.8k points)
Yeah, I just wonder what happens when you combine that with the whole house filter at the furnace. A repair guy once told me that you sacrifice air circulation if you have too much filtration going on
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