Buying
How to Choose a Robot Vacuum: A Complete Buyer’s Guide
A robot vacuum is one of the highest-value upgrades you can make to a home, but the spec sheets are noisy. This guide focuses on the handful of choices that genuinely change what you get.
Start with navigation
Navigation decides whether a robot cleans in efficient rows or wanders randomly and misses spots. LiDAR and camera-based systems both build a real map of your home; bump-and-go budget robots do not. If you have more than a couple of rooms, mapped navigation is worth prioritizing over a slightly higher suction number — see our LiDAR vs. camera navigation guide for the full comparison.
Decide if you need mopping
A vacuum-only robot is simpler and cheaper. A vacuum-mop combo adds real value on hard floors but needs its mop pad lifted or removed on carpet, either automatically on premium models or manually on cheaper ones. Choose based on your actual floor mix, not the longest feature list — our vacuum vs. combo guide covers this decision in more depth.
Do not ignore the base
A self-emptying base turns weekly maintenance into monthly maintenance, and on combo robots a self-washing dock is what keeps mopping realistic long-term. Budget for the base as part of the purchase, not an optional upsell — see our self-emptying buying guide for who benefits most.
See it applied to real models
Once you know what matters for your home, our current robot vacuum picks apply exactly these criteria to specific, currently-reviewed products.