Have used the unit 10 times since purchased it in late August. It is quiet. The older unit we would only run overnight due to the loudness. This unit was a little tricky to install but did not require a plumber or contractor. I had to enlarge one of the kickplate holes so it could be installed. The water spray works really well, we do not rinse pots like we had to do in the past. I would give it 4 stars as the install and enlarging the kick plate hole keeps it from being 5 stars. I would recommend this dishwasher.