I cleaned a large, carpeted room that had black spots, with this vacuum it was easy to clean them up. the best feature for me is that it is easily manipulated with the join at the bottom. and it feels really powerful sucking the dust. you can feel it when vacuuming. my wife has difficulties handling heavy objects, but this vacuum was much more mineable. the only inconvenience is the electrical cord that we have to roll over after each use.