5 Things to Know About Robot Vacuums and Corners

Robot vacuums can’t clean corners completely The round shape of a robot vacuum doesn’t fit into square corners, so the brush can’t reach all the way.

Side brushes only help so much Side brushes kick dirt around but often leave some debris in the corner anyway.

Settings can improve but not fix the problem Increasing cleaning passes, turning on edge mode, or running the vacuum more often helps, but none of these fully solve it.

Some models are slightly better D-shaped robots or those with better corner-cleaning brushes do a marginally better job, but none are perfect.

You’ll need to handle the last 10% yourself A quick weekly pass with a stick vacuum takes thirty seconds and covers what the robot misses.