Top 4 robot vacuums for hardwood floors that scrub without scratching, tested on my floors at home

A hybrid is the way to go with hardwood

Any avowed hardwood floor enthusiast is likely to be just as strict about faint shoe prints and dried droplets as they are about the more obvious visible debris. That's why I'll always recommend a robot vacuum mop combo for hardwood floors — a robot vacuum that doesn't mop can't provide the same satisfying shine. Solid suction power and a damp, forceful cloth are the dynamic duo for any type of hard floor, lapping up minuscule specks and pet hair while spot-cleaning liquid spills when necessary.

Are robot mops safe for hardwood floors?

Most robot mop cleaning solutions sold by the brands themselves are totally hardwood safe, as long as the finish isn't already peeling. The sanitizing formulas have a neutral pH balance (pH 6.5 to 7.5) and avoid topcoat-damaging ingredients like ammonia or other alkaline products. If you want to be extra careful about preventing damage, you can lower the water flow level in the app or mop with just water sometimes.

As for worries of nicks in your maple, robot vacuums and their brushes are purposefully designed to maneuver across hardwood floors without scratching them. Most modern robovacs, even the ones that aren't super advanced otherwise, have floor type sensors that tell the vacuum when it's time to unleash the most intense suction (on carpet and rugs) and when it's time to vacuum more gently (on hard floors).

Recent flagship models from Dreame and Roborock use advanced obstacle climbing technology and retractable legs that can hoist the vacuum chassis safely over a detected threshold. If the vacuum senses a tricky spot like a rug corner or floor type change, the vacuum body can lift more than three inches to avoid getting stuck or digging hard plastic into the floor.