When choosing a robot vacuum, keep in mind what kind of flooring you have. Most robotic cleaners do not work well
on shag carpeting. In rating the best robot vacuum cleaners, we looked at performance, features, dimensions, and help
Many of the robot cleaners we reviewed offer different cleaning patterns. Some robot vacuums offer either back-and-forth
or random cleaning patterns in which they simply move throughout the room, often bouncing off furniture and walls.
Random might sound disorganized, but it often is a worthwhile cleaning pattern, depending on your flooring. Some
robot vacuums provide other types of cleaning patterns, including a spiral effect and a swirling S-shaped pattern.
The best robot vacuums offer smart vacuuming patterns, a variety of movements to ensure that all floor areas are
cleaned. Some begin by working the perimeter of a room and then moving back and forth, sensing areas that need
extra cleaning. Others have a laser system to map out a room and then proceed in a methodical way to do all
The top robots use sensors to map out a room and remember where they have gone, ensuring that they do not
miss a spot. The ability to program your robot vacuum for scheduled cleaning is also an asset. You just set the
times and days you want your floors cleaned ahead of time and let the vacuum do the cleaning, whether you are
at home or away.