The 12 X 24 filter grill in the ceiling above the master bedroom bed generates a lot of noise when the fan is on. At first, I thought it was the filter but discovered that the noise is being created by the grill itself. When I leave it open, the noise disappears. How can I reduce the noise?
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I think the only fix is to use a larger return air grille, or add a second return with the required ductwork. Your intent is to slow down the air through the grille. Slower moving air means less noise.
Billyp, take a pair of needlenose pliers, cover the tips with a layer of electrical tape, and gently tweak the angle of each louver from each end. The general idea is to make the angle of the louver a few degrees more perpidicular to the face of the grille. Take your time and make them all match. In case of a slip, whiteout is usually a perfect match for white grilles DAMHIKT.
Thank you. I'll give it a try.
I got a call about a vent that made a lot of noise. It was in a great room so it had a lot of area to cover and it was noisy. I think it was sized to small.
Bender knows his bending. Beyond that a different brand/style of grille might work.