eufy Omni S2
The 12-in-1 dock is real: auto-empty, hot-water mop wash, hot-air drying, detergent dispensing and onboard water refill. Those features come with a larger failure surface, and with a roller mop eufy suggests replacing every two months at $26.99, about $160 a year.
Will the eufy Omni S2 work in your home?
Describe your home using the controls. Each choice reads the spec sheet for you, flagging where the eufy Omni S2 is built for your space and where it isn’t.
A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.
Living with it.
January 2026 ship date limits field evidence; 12-in-1 dock is mechanically novel with unproven long-term durability.
Unprovenowner-reported arc
Related eufy flagships show solid navigation stability but occasional dock water-seal and heating-element failures after 12+ months. Omni S2 dock architecture is new; firmware maturity unknown.
The independent record is still forming. Failure modes are listed once an outside source reports them.
Refill the station's 3.0 L clean water tank and empty the 2.0 L dirty tank; rinse the dirty tank rather than just tipping it.
Rinse the under the roller and clear hair from the roller brush and brush guard.
Replace the roller mop ($26.99), which is eufy's suggested interval and the largest recurring cost on the machine.
Replace the set and the water tank filter; swap the side brushes when the bristles splay ($21.99 for two pairs).
Replace the when the station reports it full, and the roller brush and brush guard when the brush is worn ($26.99).
Empty both tanks and let the dry, so standing water does not sit in the station.
$1,599 to buy, then about $36 a year for the replaceable parts below. Over three years that is roughly $108 past the sticker price. Excludes electricity and any repairs.
Replacement cadence from the maintenance schedule; prices shown where the source documents them. Part links may earn a commission and do not influence the classification. All parts at Eufy
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CautionDock water system pressureWater lines are pressurized during hot-wash cycles; inspect annually for pinhole leaks.
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Hot surface on dock heating elementDock exterior heats during active cycles; supervise children around dock area.
The full spec sheet.
Priced above the category median, with every figure charted against the category below.
- FootprintThe width, depth and height of the robot itself, without its dock.
- 13.8 × 12.8 in · 3.9 in tall✓
- WeightThe robot alone, without its dock, as the maker states it.
- 8.1 lbs
- BatteryStored energy in watt-hours; a larger pack runs longer, not harder.
- 72 Wh · Li-ion
- Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.
- 2.4 GHz only✓
- VoiceThe assistants the maker's app links to; the robot itself does not listen.
- Alexa, Google Home✓
- Onboard dustbinThe bin inside the robot; an auto-empty dock moves its contents into a bag.
- 300 mL✓
- Dust bagA bag inside the dock that the dock empties the robot's bin into; you replace the bag.
- 2.5 L✓
- Mop liftHow far the mop pad rises when the robot crosses carpet.
- 28 mm•
- Threshold climbThe tallest lip the robot is rated to cross; a door sill is about 0.8 in.
- 1.4 in•
- Water tankThe clean-water tank that feeds the mop, on the robot or in the dock.
- 120 mL✓
3D ToF (Time of Flight) sensor + 3D MatrixEye 2.0 camera + CleanMind AI obstacle detection (200+ types)
Position shows where the figure sits across the tracked category, not a quality judgment. Suction in Pascals has no standard test method, and the published figure is a peak-mode claim, so it is comparable only within a brand and generation.
How the assessment has moved.
Every announcement, release and reassessment behind the current classification.
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Sep 2026 · AssessmentAutonomy Ladder reclassified III → IV
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Sep 2026 · AssessmentRobovations Score revised 67 → 76
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Sep 2026 · AssessmentRecord status: Verified → Pending
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Aug 2026 · AssessmentRobovations Score rescored under v4.2: 67 → 67
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Aug 2026 · AssessmentRecord status: Provisional → Verified
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Jul 2026 · AssessmentRobovations Score recorded at 67 of 100
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Jan 2026 · ReleaseLaunches at retail for $1,599.99 in early 2026
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Jan 2026 · AnnouncementAnnounced at CES 2026 with 12-in-1 dock
How eufy Omni S2 compares.
What people actually ask.
OperationDoes the eufy Omni S2 require a water supply line connection?
OwnershipWhat is the annual dock consumable cost for the Omni S2?
CompatibilityCan the Omni S2 dock operate without Wi-Fi or app?
OperationHow does CleanMind AI learn obstacles on the Omni S2?
OperationWhat happens if the Omni S2 dock loses power mid-wash cycle?
OperationDoes the Omni S2 dock auto-dispense detergent with each wash?
IV
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Where it's sold
We may earn commission from qualifying purchases. This does not influence classification.
We are no longer finding a current new-stock listing for this robot. Remaining offers may be used, refurbished, or third-party — confirm the condition and price on the retailer’s page before buying.
Reference the eufy Omni S2 classification.
Embed the Autonomy Ladder™ mark or copy the citation. The mark is served from this record, so a reassessment updates it on your page automatically.
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Robovations. "eufy Omni S2: Autonomy Level IV (Environmental Autonomy)." Autonomy Ladder™, assessed September 2026. https://robovations.com/robots/eufy-omni-s2/
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