Recent content by BenRan207

Thanks for your help. The fan motor itself is virtually silent. It's the air whooshing through the 4" inlet grille that is making the noise. I figured by expanding the inlet it would decrease the speed of the air, not the overall volume input and therefore decrease the noise without a drop in...

I have an inline bathroom fan that has a 4inch inlet. It pulls a lot of air but it's loud. Can I swap it to a 6inch inlet and reduce back to a 4 at the fan in my attic for noise reduction?