It does not cut down more on the smell. Since the waste is basically sifted out quickly to the lower try and not left buried by the cat, it can get smelly. Li

It does not cut down more on the smell. Since the waste is basically sifted out quickly to the lower try and not left buried by the cat, it can get smelly. Litter type, cat, and how often you chant the lower tray will change that, but overall, I would not put it in a living space.