A guide to robot vacuums. Compare premium flagships, budget and mid-range picks, vacuum-and-mop combos, self-emptying models, the best options for pet hair, small apartments and large homes, and smart-navigation leaders, with a plain summary of suction, features, and who each one fits.

How to choose a robot vacuum for your home

Start with the basics: square footage, number of floors, and how many pets are shedding on your carpet. A one-bedroom apartment on hard floors barely needs half the features that show up on a $1,200 flagship, and a three-story house with dogs on every level needs a robot that can genuinely find its way back to the right map when you carry it upstairs. Budget matters too, but it isn't the only axis. A $250 vacuum-only robot with a self-empty dock can suit a small apartment better than a $600 combo unit that's really built for a bigger, messier house. Match the robot to the home you actually have, not the one the marketing photos show.

Pets change the calculus more than almost anything else. Long hair wraps around a bristled brush roller fast, so look for anti-tangle brush designs, dual rubber rollers, comb-style de-tanglers, rather than a plain single brush. Cameras that can tell a pet accident from a shadow are worth paying for if you've ever had a robot smear one across the floor. And if you have area rugs, check that the robot detects carpet reliably and lifts its mop before it rolls on, not after.

Mopping and self-emptying docks, explained

A mopping robot cleans with a damp pad or roller dragged across the floor, and the good ones detect carpet and lift the mop automatically so they don't soak a rug. Spinning pads scrub in circles under downward pressure; rolling mops, a newer design, continuously rinse against a scraper as they turn, which tends to leave cleaner water on the floor over a longer run. Self-emptying docks handle the dustbin on their own, some for 60 to 75 days at a stretch, and the more automated ones also wash the mop pad in hot water, dry it with hot air so it doesn't sour, and refill the clean water tank. None of this is free: budget for cleaning solution, replacement filters, and the occasional bag or brush over the life of the robot, and remember that a fully automated dock is a real piece of furniture that needs a dedicated spot near an outlet.

LiDAR, cameras, and everything in between

Two main navigation approaches show up across this guide. LiDAR uses a spinning laser to build a map of walls and furniture, works in the dark, and is generally the most reliable for storing multiple floor plans in a bigger home. Camera-based systems add object recognition on top of or instead of a laser, letting a robot tell a charging cable from a sock from a stray shoe, which matters more in a cluttered household than in a tidy one. A few of the newest robots go further still, robotic arms that physically move small objects out of the way, tri-laser arrays that clean within millimeters of a wall. More sensors generally mean a smarter robot, but also a higher price, so weigh how cluttered your floors actually get before paying for the top of that range.

What a robot vacuum actually costs to run

The sticker price is only part of it. Budget for mop pads and side brushes every few months, filters on a similar schedule, and cleaning solution if the dock washes its own mop. Self-empty bags need replacing every couple of months on a bagged system, though a bagless bin only costs you the occasional rinse. None of this adds up to much on its own, usually well under $100 a year, but it's worth checking before you buy, since a couple of brands price their proprietary bags and pads higher than the rest of the market.

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A note on what this is

We describe and link to robot vacuums we don't manufacture or sell. Specs, pricing, and availability change often and vary by region, so treat this as a starting point and confirm current details on the manufacturer's own page before you buy.