After using the light-weight built-in vacuum system for 40 minutes to clean the almost 4,000 square foot multiple-level maze of carpets, hardwood, tile and vinyl flooring that is my house --- and working up a major sweat in the process, I decided I'd had enough of vacuuming. I should also mention that I didn't do a spectacular job of vacuuming. It apparently takes 3 to 4 passes to recover most … [Read more...]