Start your search right. Learn which constraints matter most - from floor types and pets to furniture clearance and budget tiers.
Before you fall in love with obstacle avoidance cameras or self-washing docks, figure out what'll actually work in your home. These constraints eliminate most options fast - which is good. Narrowing down hundreds of models to 10 makes decisions way easier.
Lucky you. Nearly every robot vacuum works great on hardwood, tile, and laminate. You've got the full catalog to choose from.
This is most people. You want a model that auto-adjusts suction and can transition between surfaces smoothly. Most mid-range and up models handle this fine.
Now you're narrowing down. You need strong suction (we'll talk about Pa ratings later - they're misleading), good brush agitation, and ideally carpet boost mode that increases power automatically.
Your options shrink fast. Many robots struggle or refuse to climb onto thick rugs. Check user reviews for your specific carpet type before buying.
Standard models work great. Skip the anti-tangle features and save some money.
Get anti-tangle brushes. They're designed with V-shapes or rubber fins that prevent hair from wrapping around the roller. Still need periodic cleaning, but way less often.
This is where you want the good stuff:
If under-furniture cleaning matters to you, the height spec is important. For some people, it's a major selling point. For others, it's a nice-to-have. But worth being aware of either way.
You need a low-profile model. These often use camera-based navigation, front-facing LiDAR, or retractable LiDAR turrets. They fit where most robots can't.
Check the obstacle clearance spec. Most robots handle up to 20mm. Some go up to 25mm or so. A small number are specially designed to go much higher, up to 80mm or so. If you've got tall door thresholds, this matters.
Better obstacle avoidance systems help, but they're not magic. Models with cameras and AI recognition will avoid shoes and cables ~80% of the time. The other 20%? They'll bump into stuff or drag it around.
Let's talk money. Robot vacuums range from about $100 to $1,500+. Here's what you can expect at each tier:
| Feature | $100-$300 | $300-$600 | $600-$1,000 | $1,000+ |
|---|---|---|---|---|
| Tier | Basic but functional | The sweet spot | Premium performance | Flagship models |
| Navigation | Random or gyroscope, sometimes basic LiDAR | LiDAR and/or camera (efficient mapping) | Advanced obstacle avoidance | AI-assisted obstacle recognition |
| Emptying | Manual | Manual (some with self-empty) | Self-empty dock | Self-empty + auto-wash |
| Mopping | Vacuum-only or basic mopping | Vibrating or dual spinning mop pads | Advanced mopping systems | Roller/track mops + hot air dry |
| Performance | Basic suction and battery | Good suction, app control, scheduling | Better suction and brush systems | Longest battery, best performance |
| Good For | Small apartments, light use, budget-conscious | Most homes, balanced features | Larger homes, convenience seekers | Large homes, minimal maintenance |
Let's be real: robot vacuums aren't magic. They're solid workhorses for daily maintenance - not miracle appliances that eliminate all cleaning forever.
Here's what ownership actually looks like: You'll run it 3-5 times a week. You'll do a deep clean every few weeks yourself. Your floors will be noticeably cleaner day-to-day, and you'll save a couple hours per week. But your home won't be spotless 24/7.
If you're cool with that trade-off (and most people are), robot vacuums are fantastic. If you're expecting perfection, you'll be disappointed.