Dad’s short answer: No, not for cleaning carpet. These are hard-floor machines. The wet roller will soak a rug it passes over, and it has no way to pull that moisture back out of the fibers the way a carpet cleaner does.

What actually happens on a rug

The roller lays water down and the suction is designed to lift it off a hard, flat surface. Carpet fiber absorbs the water instead, so the roller keeps feeding moisture in and the suction only gets a fraction back. You end up with a damp rug, which is a mildew problem, not a clean rug.

Some machines have a dry or suction-only mode that will pick surface debris off a low-pile rug, and that's fine as an occasional thing. But it's a weak vacuum at best — the roller and housing aren't designed for pile.

What to use instead

For spot cleaning a rug or a spill on carpet, a spot cleaner is the right tool. For whole-carpet cleaning, an upright carpet cleaner. Both are separate categories with separate reviews on the site, and both do a job this machine physically can't.

If your home is mostly carpet with a small hard-floor area, honestly I'd point you away from this category entirely. You'd get more out of a good vacuum and a spot cleaner. I'd rather tell you that than sell you a machine that fits ten percent of your house.

Dad’s Take: Hard floors only. If your house is mostly carpet, this isn't your machine and I won't pretend otherwise.