RELEASED 2026.01REASSESSED 2026.08.06

Eufy

eufy Omni S2

Name: eufy Omni S2
Brand: Eufy

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.

Replaceseufy Omni S1 ProThe previous generation of this line.

Autonomy Ladder

Why Level III.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
IVEnvironmental AutonomyHandles new obstacles and re-plans in real time; rare in consumer products.
To reach Level IVSustained operation across sessions, including layouts and conditions it has not met before.
IIIConditional AutonomyThis robot

eufy Omni S2 finishes whole jobs in a space it already knows, and still needs a person at the edges.

Navigation and control
3D ToF (Time of Flight) sensor + 3D MatrixEye 2.0 camera + CleanMind AI obstacle detection (200+ types)
Why this level
- CleanMind AI 3D navigation with ToF sensor and MatrixEye 2.0 camera supports mapping, obstacle learning, and multi-room scheduling.
- Lacks the environmental generalization of Level IV systems.
Autonomy dimension 78 / 100 · 5 sources reviewed
IIAssisted AutonomyRuns preset routines; stalls at anything new.
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources we reviewed.

Verified5 sources reviewed

Sufficient public evidence across source types to publish a non-provisional classification.

Sources reviewed

Specification sources4 sourcesReviewed

Pages the published specifications were read from.

Monitoring record1 sourceReviewed

Sources behind the tracker entries following this robot.

The Verge CES 2026 CoverageThe Verge CES 2026 Coverage

Also monitored, nothing listed yet

Manufacturer documentationPending

Anker/eufy product and accessory specifications for the Omni S2 and UniClean station; consumer longitudinal data pending

Firmware release notesOngoing

Eufy publishes firmware releases and software notes through its support portal; reviewed on an ongoing basis.

How we evaluate evidence →

Human Readiness

Promising Progress.

Retail availability through Amazon and Anker direct, with independent reviews published from September 2025. Premium pricing ($1,599 MSRP) positions this as flagship. Setup is dock placement and Wi-Fi pairing with no plumbing; the UniClean station is hand-filled from a 3.0 L tank. Most consumable handling is dock-managed, though the roller mop is an owner-replaced part on eufy's two-month suggestion.

Where this sits on the readiness scale

Ready NowProven autonomous performance, reliable, and available for purchase.
Promising ProgressThis robotReal advancement, but the ownership experience is still maturing.
OverhypedMarketing is outpacing actual capability.
WaitTechnology exists but better options are coming soon.
Falls ShortFails core autonomy or reliability standards.

How we assess readiness →

Robovations Score

How this number was reached

68of 100

Capable

DeficientLimitedCapableStrongExemplary

Measured on 8 of the 9 inputs14% not counted

Our assessment did not establish an independent source for software stability on this machine, so that input is left out of the score rather than guessed at, and the rest re-weighted to fill the space. A gap in what we have been able to verify is not evidence against the robot. Where it reaches 30% of the rubric we publish no number at all.

Capability40% of the score64What it does without you.

Task completion16% of the score80

Evidence

Tom's Guide, using it almost every day for ten days, measured 84 percent overall and saw it "reluctant to clean all four edges consistently". Mumsnet, in a real household, rates it "on par with our usual plug-in Hoover model for daily carpet cleaning" at around 95 percent of debris but still needs a proper vacuum "for edges, corners and crevices" about monthly, and the dirty water tank needs emptying weekly.

Coverage and navigation10% of the score76

Evidence

Expert Reviews got "an impressively accurate map" of both floors of a terraced house, and carrying the robot between floors "worked faultlessly, taking on average around 15 seconds for the robot to realise it had been picked up and to work out which map it" was on. Mumsnet reports the counterweight: "It mapped the house about 80% accurately at first and needed manual correction. Once sorted, it was reliable."

Edge-case recovery10% of the score25

Evidence

EVIDENCE FLOOR under rule 2. CleanMind AI across 200-plus object types with a 3D ToF sensor and a MatrixEye 2.0 camera would be strong perception, but this record's only sources are Anker and eufy material marked pending with no links, plus eufy's support portal. No press and no owner reports. The one documented recovery is unfavorable: a dock power loss mid-wash halts the cycle, needs manual intervention, and restarts the wash from the beginning.

Operating envelope4% of the score72

Evidence

Vacuum Wars measured it clearing a 32 mm threshold "only once in three attempts" against Eufy's 35 mm rating and warns that homes with tall thresholds or deep sliding door tracks "may run into occasional issues". Trusted Reviews notes the mop roller lifts 5 cm, "enough to deal with most short-pile carpets", and points deeper carpets toward robots that can drop or block their pads, a second documented condition where it degrades.

Dependability40% of the score73Whether it keeps doing it.

Field failure rate16% of the score65

Evidence

Mumsnet reports "we had errors from the start of testing but eufy were quick to send out a new model", an isolated fault settled by replacement without dispute. TechRadar over a month, Tom's Guide over ten days, Trusted Reviews and Expert Reviews report no failures, and with under twelve months of field record the score is held under the 70 cap by that one documented unit fault.

Software stabilitynot countedno source verified65

Evidence

An owner in the same r/RobotVacuums thread reports firmware 4.0.7 available with release notes covering improved edge cleaning, so an update channel with published notes is running. No regression or removed capability is reported for the S2 in any source here, and the model is too recent for a 12-month record, so it scores at the ordinary successful case. The X10 Pro Omni firmware thread concerns a different model and was excluded.

Support longevity10% of the score85

Evidence

The strongest input on this record, and the commitment evidence is clear. eufy publishes a complete priced replacement-parts catalog with suggested intervals: roller mop $26.99, roller brush and brush guard $26.99, side brushes $21.99 for two pairs, filter sets, dust bag and water tank filter, with a full official accessory kit at about $100. The Auto Refill and Drainage System is a supported SKU. Anker is a large solvent manufacturer with a working support channel.

Ownership burden20% of the score68What it asks of you.

Routine maintenance12% of the score81

Evidence

The station covers emptying, hot washing, hot drying and detergent, but the owner-side cadence is heavier than the flagship average. The clean tank is refilled and the dirty tank emptied AND rinsed weekly rather than just tipped, the wash tray and roller brush guard are cleaned monthly, and the roller mop is replaced by the owner every two months, which is a recurring hands-on job that dock-washed pads do not impose.

Consumables8% of the score49

Evidence

The roller mop alone is $26.99 on eufy's suggested two-month interval, about $162 a year and, in the record's own words, the largest recurring cost on the machine. Add the roller brush and guard at $26.99, side brushes at $21.99 for two pairs, filter sets, dust bags and a water tank filter and the realistic total is $230 to $260 annually. The individual prices are fair and openly published; it is the cadence that makes the running cost high.

Reported, not scoredneither measures how well the robot works

Five-year cost$3,075

An expensive machine to own. About $1,849.99 at the current price, above its own $1,599.99 MSRP, plus roughly $245 a year dominated by a $26.99 roller mop on eufy's suggested two-month interval. No subscription, and no feature is gated behind one. The optional Auto Refill and Drainage System that would remove the tank handling is a separate SKU and is not included here.

Data postureCloud-linked

Account required. Maps and telemetry leave the home; core function survives an outage.

What leaves the homeNot documented

Read the full methodology →

FIT CHECK

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.

Home size

Primary floors

Mopping needs

You want to…

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

SPECIFICATION

The full spec sheet.

Priced above the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-published

Footprint: 13.8 × 12.8 in · 3.9 in tall✓
Weight: 8.1 lbs
Battery: 72 Wh · Li-ion
Wi-Fi: 2.4 GHz only✓
Voice: Alexa, Google Home✓

Where it lands · ranked across 200 robot vacuumsThis robotMedianTypical range

Suction30,000Pamode not stated

1,000 Pa36,000 Pa

Above median

Runtime130min

60 min360 min

Near median

Price$1,849.99

$120$2,599

Above median

Noise67dB

43 dB80 dB

Near median

Charge time270min

90 min420 min

Near median

Weight8.1lbs

3.3 lbs36.4 lbs

Near median

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.

Official referencesProduct page

OWNERSHIP

Living with it.

January 2026 ship date limits field evidence; 12-in-1 dock is mechanically novel with unproven long-term durability.

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.

Owner effort~15 minhands-on per month

Consumables$180replaceable parts / yr

Reliability trendUnprovenowner-reported arc

What goes wrong · 3 documented · 0 self-recover

Occasional

Dock heating element failureHot-water mop drying unavailable; cold-wash only

Owner fixReplacement element ($40-60) installed via dock service hatch

Occasional

Water-seal gasket degradationWater leakage around dock base; carpet/floor damage risk

Owner fixReplace gasket kit ($25-35); inspect quarterly

Rare

Detergent pump malfunctionNo detergent dispensing; manual mop cleaning required

Owner fixFlush pump inlet; replace if clogged by sediment

Step-by-step fixesAuto-Empty Base Not Emptying?Won’t Return to Its Dock or Charge?App Says Offline or Won’t Connect?All robot vacuum guides

Upkeep routine

Weekly52×/yr

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.

Monthly12×/yr

Rinse the wash tray under the roller and clear hair from the roller brush and brush guard.

Seasonal4×/yr

Replace the filter set and the water tank filter; swap the side brushes when the bristles splay ($21.99 for two pairs).

As neededno fixed schedule

Replace the roller mop ($26.99), which is eufy's suggested interval and the largest recurring cost on the machine. · Replace the dust bag 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 wash tray dry, so standing water does not sit in the station.

Cost over time · past the sticker

PurchaseRunning cost

Year 1

$2,029

Year 3

$2,389

Year 5

$2,749

$1,849 to buy, then about $180 a year for the replaceable parts below. Over three years that is roughly $540 past the sticker price. Excludes electricity and any repairs.

What you replace

FilterEvery 3-6 months$21
Dust bagAs needed$26

Replacement cadence from the maintenance schedule; prices shown where the source documents them.

Safety notes

CautionDock water system pressure: Water lines are pressurized during hot-wash cycles; inspect annually for pinhole leaks.

NoteHot surface on dock heating element: Dock exterior heats during active cycles; supervise children around dock area.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Jan 2026 · AnnouncementAnnounced at CES 2026 with 12-in-1 dock
Jan 2026 · ReleaseLaunches at retail for $1,599.99 in early 2026
Jul 2026 · AssessmentRobovations Score recorded at 60 of 100
Jul 2026 · AssessmentRobovations Score revised 60 → 67
Aug 2026 · AssessmentRobovations Score rescored under v4.0: 67 → 67
Aug 2026 · AssessmentRobovations Score rescored under v4.2: 67 → 61
Aug 2026 · AssessmentRobovations Score revised 61 → 68
Aug 2026 · AssessmentRecord status: Provisional → Verified

Common questions

What people actually ask.

6 answered

OperationDoes the eufy Omni S2 require a water supply line connection?

No. The UniClean station carries its own tanks, 3.0 L clean and 2.0 L dirty, and filling and emptying them by hand is how the product is meant to run, not a degraded fallback. Plumbing is available only if you add the separate Auto Refill and Drainage System (T210L110), sold as its own SKU and in a bundle. Nothing about the base product needs a supply line or a drain.

OwnershipWhat is the annual dock consumable cost for the Omni S2?

eufy’s published replacement parts are the roller mop at $26.99, suggested every two months, the roller brush and brush guard at $26.99, side brushes at $21.99 for two pairs, filter sets, a dust bag and a water tank filter. The full official accessory kit runs about $100. On eufy’s own two-month suggestion the roller mop alone is around $160 a year, which is the largest recurring line.

CompatibilityCan the Omni S2 dock operate without Wi-Fi or app?

Dock can run in local-only mode; wash scheduling and consumable status alerts require the eufy app.

OperationHow does CleanMind AI learn obstacles on the Omni S2?

Multi-camera 3D capture during mapping identifies furniture and obstacles. Firmware updates improve obstacle library; no user training required.

OperationWhat happens if the Omni S2 dock loses power mid-wash cycle?

Cycle halts; mop remains in dock. Manual intervention needed to resume, and the wash cycle restarts from the beginning.

OperationDoes the Omni S2 dock auto-dispense detergent with each wash?

Yes, when reservoir is filled. Quantity is manufacturer-default; no user adjustment in current firmware.

Availability

Where it's sold

We may earn commission from qualifying purchases. This does not influence classification.

Amazon See current listings

Cite / Embed

Reference the eufy Omni S2 classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark is served from this record rather than saved as a file, so it always shows the level we currently hold. If we reassess, it updates on your page by itself.

<a href="https://robovations.com/robots/eufy-omni-s2/?ref=badge" target="_blank" rel="noopener"><img src="https://robovations.com/badge/r/eufy-omni-s2/seal-light" width="268" height="124" loading="lazy" alt="Autonomy Ladder classification for eufy Omni S2, assessed by Robovations." /></a>

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Citation

Robovations. "eufy Omni S2: Autonomy Level III (Conditional Autonomy)." Autonomy Ladder™, assessed August 2026. https://robovations.com/robots/eufy-omni-s2/

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the eufy Omni S2 and Roborock Saros 20 Sonic side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Samsung Bespoke Jet Bot Combo AI, Ecovacs Deebot X2 Combo, Dreame L40 Ultra.

For browsers

See every Level III.

Every robot we’ve classified at conditional autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse the database

Updated weekly with new entries and reclassifications.

eufy Omni S2

Will the eufy Omni S2 work in your home?

The full spec sheet.

Living with it.

How the assessment has moved.

What people actually ask.

eufy Omni S2 in the analysis archive.

How much should a robot vacuum cost? What each price band actually buys

Other robot vacuums we have classified.

ROIDMI EVA

BISSELL FlexClean FurForce 2-in-1 Robot Vacuum and Mop

Tesvor S8 Pro Robot Vacuum Cleaner

MOVA S70 Roller

Where it's sold

Reference the eufy Omni S2 classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level III.