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FURNACE FILTERS IN COLD AIR RETURN
We want to improve our filtering of the furnace output to cut down on more of the dust. I've installed screen door screening on the inside of the stair cold air vents. But this does not seem to be doing as good a job as we would like.
Last year I cut down regular furnace filters and also placed them behind the stair vents but I feel that was too messy for the return I got for my effort.
I'm thinking of placing foam filter material & the screening behind the stair vents to act as a filtering system. My intent is to use washable foam material.
My questions are has anyone done anything along these lines in providing a good furnace filtering system. Also,where would I pickup this type of foam material that would be washable & safe enough for easy air flow.
Thanks in advance for any & all help.
P.S. Merry Christmas to all.................
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