Dust collection in general is noisy. If you can site it in your garage somewhere that you can enclose it that will help a lot with the noise abatement.Yep. HEPA-certified filter media - 99.97% efficiency at 0.3 microns.
It just looks like the perfect solution for the small shop that only will use 1 tool at a time. But still (outside of cost), what is the catch? I know it's extremely noisy but with it being in another room and floor, that is not a major issue.