I am probably one of the few on this forum that has used one for more than 2 yrs in a commercial setting . I was the dishwasher in my son's restaurant. I can't imagine having one in the home unless you really like wiping up water from everywhere. They have a powerful spray. In a commercial setting with a huge deep sink and lots of "stuff" to remove from 100's of plates and pans etc it is necessary. In a home setting, even with company a couple times a year , there just isn't any need for that kind of powerful spray or the height of the device. On a 15" sink you are going to have water everywhere. I would really think about what you need that kind of equipment for. What are you going to be cleaning dozens of times a day that requires that force of water. Just my opinion but you should know what you are getting. Drop in to any restaurant in your area and do a few 100 plates and glasses etc...wear old clothes....then see if you really want one of these :) c