Eufy RoboVac 11S Max
Best for You want the quietest robot vacuum on the market (55 dB) that runs unobtrusively while watching TV
Typical street price, not a live quote. Check the retailer for today’s price.
Our Verdict: Eufy 11S Max
The Bottom Line: For a studio or one-bedroom on hard floors, it still makes sense at under $200. Anything larger deserves LiDAR.
- You want the quietest robot vacuum on the market (55 dB) that runs unobtrusively while watching TV
- You have low-clearance furniture with beds and sofas under 75 mm (2.85 inches) height
- You need room-by-room smartphone app scheduling or no-go boundary zones
- You have sprawling multi-room floor plans that require laser LiDAR systematic paths
- 55 dB rated — the quietest robot in our database, confirmed as the quietest in an independent lab lineup
- 72 mm slim body fits under almost anything
- Remote control, no Wi-Fi required
- Surprisingly strong hardwood pickup in independent testing — testers were "blown away"
- You want the quietest robot vacuum on the market (55 dB) that runs unobtrusively while watching TV
- You have low-clearance furniture with beds and sofas under 75 mm (2.85 inches) height
- Random navigation misses spots in large rooms
- No mapping, no app
- Ranked near the bottom (18th of 23) in an independent lab lineup, driven mainly by weak carpet pickup and brush durability
- Main brush was visibly deformed after a month of heavy independent testing
- You need room-by-room smartphone app scheduling or no-go boundary zones
- You have sprawling multi-room floor plans that require laser LiDAR systematic paths
Cleaning Performance Scores
Each criterion is scored on a standardized 10-point scale from manufacturer specs and cited independent tests, following our published methodology.
- Hardwood & hard floors 8.2/10 Excellent
Fine-dust and debris pickup on sealed hard floors, from cited tests and spec
- Carpet pickup 5.6/10 Fair
Embedded debris pickup on low and medium pile carpet
- Pet hair 6.4/10 Fair
Embedded fur pickup and roller tangle resistance
- Navigation & edges 7.0/10 Good
Corner reach, baseboard clearance and obstacle avoidance
- App & smart home 4.0/10 Fair
Map stability, scheduling depth, ecosystem integration
- Value 9.0/10 Exceptional
Criteria performance relative to current street price
In-Depth Notes & Analysis
Performance
Bump navigation suits small spaces; beyond roughly 80 m² random-path coverage falls off, which is typical for the type.
What independent testing found
TechGearLab ranked it 18th of 23 robot vacuums tested (overall score 55/100), but confirmed it as "the quietest vacuum we measured in our entire lineup" and noted testers "were blown away by how well it cleaned" hard floors — 90% pickup on scattered hardfloor debris. Carpet pickup was weaker at 69%, and pet hair pickup on carpet was 86% overall but only 60% made it into the bin, with 26% tangling on the brushes. After a month of heavy testing, the spinning brush was visibly deformed and separated.
Consumer Reports separately confirmed it lacks WiFi connectivity and a camera, and uses a random navigation pattern rather than mapping — consistent with TechGearLab's findings.
Technical Specifications & Evidence
Every metric listed below is tagged with its origin to ensure complete transparency in our review process.
| Metric | Value | Source / Evidence |
|---|---|---|
| Rated suction | 2,000 Pa | Manufacturer Spec |
| Rated runtime | 100 min | Manufacturer Spec |
| Rated noise | 55 dB(A) | Manufacturer Spec |
| Weight | 2.7 kg | Manufacturer Spec |
| Bin capacity | 600 ml | Manufacturer Spec |
| Battery | 2600 mAh | Manufacturer Spec |
| Hardfloor debris pickup | 90% | Cited Independent Test |
| Carpet debris pickup | 69% | Cited Independent Test |
| Navigation Architecture | Bump | Manufacturer Spec |
| Obstacle Detection | Bumper + cliff sensors | Manufacturer Spec |
How the Eufy 11S Max Compares
Side-by-side comparison against leading competitors in the robot vacuums category.
| Model | Price | Score | Suction | Dock Automation | Best For |
|---|---|---|---|---|---|
| This review Eufy RoboVac 11S Max | ~$180 | 7.6/10 | 2,000 Pa | — | You want the quietest robot vacuum on the market (55 dB) that runs unobtrusively while watching TV |
| Dreame X40 Ultra Robot Vacuum & Mop | ~$1,500 | 9.6/10 | 12,000 Pa | Auto-Empty | — |
| Roborock Q Revo Master | ~$1,200 | 9.6/10 | 10,000 Pa | auto-empty | — |
| Roborock S8 MaxV Ultra | ~$1,300 | 9.4/10 | 10,000 Pa | Auto-Empty | — |
How We Evaluated the Eufy 11S Max
We have not measured the Eufy 11S Max ourselves. Its score is built from:
- Manufacturer specifications, labelled as specs throughout this review.
- Independent third-party test results, each linked to its source.
- Six weighted criteria: pet hair, hardwood, carpet, edges, app and value.
Learn more about our strict editorial guidelines and scoring methodology.
What Owners & Reviewers Say
“The quietest vacuum we measured in our entire lineup — and we were blown away by how well it cleaned hard floors.”
TechGearLab
“Lacks WiFi connectivity and a built-in camera, and uses a random navigation pattern.”
Consumer Reports
Featured In Our Buying Guides
Where the Eufy 11S Max ranks across our specialized buying guides and head-to-head editorial teardowns.
Buying guides 4
- The Best Robot Vacuums Under $300 Under $300 the Dreame D10 Plus is the robot to buy: LiDAR room mapping plus a 45-day auto-empty dock.
- The Best Robot Vacuums for Small Apartments In a small apartment, dock footprint and noise matter more than battery life.
- The Quietest Robot Vacuums, Ranked by Rated dB By manufacturer-rated noise, the quietest robot vacuum is the Eufy RoboVac 11S Max at 55 dB, but it lacks LiDAR mapping.
- The Best Robot Vacuums for Pet Hair Under $300 The Roborock Q5 Pro is the best robot vacuum for pet hair under $300: dual rubber rollers, a 770 ml bin, and independently measured 99.0% pet-hair pickup by weight.
Robot vacuums 3
- Best Robot Vacuums Under $200 (2026): What Is Worth It We explain which robot vacuums genuinely perform under $200, which cheap models to avoid, and when stretching your budget makes sense for your home.
- Robot Vacuums Under $300 (2026): What You Get vs Give Up We compared the best robot vacuums under $300 on LiDAR mapping, pet hair pickup, self-emptying docks, and real-world running costs. See the top picks.
- Best Robot Vacuums Under $500 (2026): Ranked We compared robot vacuums under $500 on navigation, automation, carpet and pet-hair pickup, and value. See which model actually fits your home.
Frequently Asked Questions
Final verdict
Eufy 11S Max: Good · 7.6/10
For a studio or one-bedroom on hard floors, it still makes sense at under $200. Anything larger deserves LiDAR.
Buy it if
- You want the quietest robot vacuum on the market (55 dB) that runs unobtrusively while watching TV
- You have low-clearance furniture with beds and sofas under 75 mm (2.85 inches) height
Skip it if
- You need room-by-room smartphone app scheduling or no-go boundary zones
- You have sprawling multi-room floor plans that require laser LiDAR systematic paths