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Ecovacs Winbot W2S Omni vs. Ecovacs Winbot W2S Pro compared

Window Cleaning Robot

At a glance

The key numbers for both devices side by side.

Overall rating
92Sehr gut
84Gut
Value for money
92Excellent
65Fair
Best price
€319.00€599.00−47 %
€449.00
Price advantage
€130.00 cheaper
—
Offers
1 shop
1 shop
Rank in category
Rank 2 of 24
Rank 4 of 24

Rating

Sub-ratings compared

Ecovacs Winbot W2S OmniOverall rating 92Ecovacs Winbot W2S ProOverall rating 84
CleaningresultsNavigation& safetySpeedEaseof use & handlingNoise& build quality
Ecovacs Winbot W2S OmniEcovacs Winbot W2S Pro
Cleaning results92/10085/100
Navigation & safety98/10093/100
Speed89/10083/100
Ease of use & handling90/10071/100
Noise & build quality91/10083/100
Cleaning results
92
85
Navigation & safety
98
93
Speed
89
83
Ease of use & handling
90
71
Noise & build quality
91
83

Specs

Specs compared

Key specs

Brand
Ecovacs
Ecovacs
Model
Winbot W2S Omni
Winbot W2S Pro
Adhesion systemTechnology that keeps the robot attached to the glass.
Vacuum
Vacuum
Form factorBasic shape of the housing; square shapes reach further into the corners.
Square
Square
Suction powerNegative pressure of the vacuum pump according to the manufacturer; it keeps the robot on the glass.
8,000 Pa
10,000 Pa
Cleaning speedMinutes per square meter according to the manufacturer – lower means faster
1.75 min/m²
1.5 min/m²
Automatic sprayingSprays cleaning solution onto the glass by itself; otherwise the pads are moistened by hand.
Yes
Yes
Frameless glassDetects frameless edges according to the manufacturer and does not drive past them – for glass shower enclosures, glass railings and frameless windows
Yes
Yes
Fall protectionOnly check the safety features the manufacturer lists for this model.
Backup batterySafety ropeAdhesion sensorAdhesion loss alarm
Backup batterySafety rope

Cleaning

Edge cleaningSpecifically follows the edges instead of just wiping the surface.
Yes
Yes
Noise levelSound pressure level in standard mode according to the manufacturer, not the highest setting.
68 dB
66 dB
Suitable forSurfaces the manufacturer approves the robot for.
Framed glassFrameless glassMirror
Framed glassFrameless glassMirror
Number of cleaning padsNumber of pads attached to the robot at the same time.
1 pcs
1 pcs
Pad typeMaterial of the included cleaning pads.
Microfiber, washable
Microfiber, washable
Cleaning solution tankTank capacity; the field stays empty for models without automatic spraying.
80 ml (2.7 fl oz)
120 ml (4.1 fl oz)
Number of spray nozzlesNumber of nozzles that spray cleaning solution onto the glass.
6 pcs
6 pcs
Cleaning programsOnly check the programs the manufacturer lists for this model.
Edge program
Edge programSpot cleaning

Adhesion, safety & power

Backup runtimeHow long the robot stays attached during a power outage, according to the manufacturer.
30 min
30 min
Cable lengthLength of the power cord according to the manufacturer.
5.5 m (18 ft)
6.8 m (22 ft)
Battery-poweredAccording to the manufacturer, the robot cleans on battery power, without a power cord at the window
Yes
No
Safety rope lengthLength of the included safety rope.
1 m (3.3 ft)
5.5 m (18 ft)

Navigation & app

NavigationMovement pattern when covering the glass, according to the manufacturer.
Calculated path
Calculated path
Frame detectionDetects the window frame and drives right up to the edge.
Yes
Yes
Obstacle detectionDetects muntins or objects stuck on the glass.
Yes
Yes
Return to starting pointAutomatically returns to the starting point after cleaning.
Yes
Yes
Remote controlA remote control is included.
No
No
App controlCan be controlled via the manufacturer app, not just the remote control.
Yes
Yes

Dimensions & weight

HeightHeight of the housing; it determines whether the robot fits under window handles.
7.6 cm (3 in)
7.6 cm (3 in)
DimensionsWidth × depth × height in cm according to the manufacturer.
27 × 27 × 7.6 cm (11 × 11 × 3 in)
27.2 × 27.2 × 7.6 cm (11 × 11 × 3 in)
WeightWeight of the robot without accessories.
1.95 kg (4.3 lb)
2.1 kg (4.6 lb)

General

Price segment
Premium
Mid-range
Model year
2025
2026
In the box
Roboter, Station, Sicherungsseil, Karabinerhaken, 2 Wischpads, Reinigungslösung 230 ml, Bedienungsanleitung
Roboter, Netzteil, Sicherungsseil, 2 Reinigungstücher, Reinigungslösung (230 ml), Benutzerhandbuch

Prices

Offers

Ecovacs Winbot W2S Omni

Ecovacs Winbot W2S Pro

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Verdict

Pros & cons

Der Ecovacs Winbot W2S Omni putzt große, senkrechte Scheiben klar und meist streifenarm, ohne Steckdose am Fenster: Der Akku in der Station hält bis zu 110 min. Die Kantenschrubber holen mehr vom Rand, die Ecken brauchen trotzdem Nacharbeit. Der Haken ist das Gewicht von rund 7,3 kg samt Station, das du an jedes Fenster trägst. Für viele bodentiefe Fenster halten wir ihn für eine gute Wahl.

Pros

  • Akku in der Station hält bis zu 110 min ohne Steckdose am Fenster
  • Große Scheiben werden in einem Durchgang klar und meist streifenarm
  • Absenkbare Kantenschrubber putzen Ränder sauberer als beim Vorgänger
  • Notstrom-Akku hält ihn 30 min an der Scheibe und schlägt Alarm
  • Sechs Düsen sprühen in beide Fahrtrichtungen
  • Grundbetrieb komplett über Tasten an der Station, App nicht nötig

Cons

  • Ecken, vor allem unten, brauchen fast immer kurzes Nachwischen
  • Station und Roboter wiegen zusammen rund 7,3 kg
  • Schafft keine Dachfenster oder Glasdächer flacher als 45° zur Senkrechten
  • Bei Gegenlicht teils feine Streifen, an der Abnahmestelle ein feuchter Abdruck
  • Netzkabel der Station misst nur 1,2 m

Der Ecovacs Winbot W2S Pro putzt große, glatte Scheiben gründlich und nahezu streifenfrei und fährt an geraden Rahmen bis auf rund 2 mm heran. Ein Notstrom-Akku und das innen eingehakte Seil sichern ihn zuverlässig. Der Haken: Er läuft nur am 6,8 m langen Kabel, du brauchst also eine Steckdose nah am Fenster. Bei monatealtem Schmutz musst du das Pad mehrmals auswaschen.

Pros

  • Große Scheiben nach einem Durchgang nahezu streifenfrei
  • Lässt an geraden Rahmen nur rund 2 mm ungeputzt
  • Notstrom-Akku hält ihn bei Stromausfall 30 min an der Scheibe
  • Sicherungsseil mit Karabiner innen, kein Saugnapf auf dem Glas
  • Sechs Sprühdüsen, sprühen in beide Fahrtrichtungen gleichmäßig
  • Auch für rahmenlose Duschwände und Spiegel freigegeben

Cons

  • Kein Akkubetrieb, braucht Steckdose in Fensternähe
  • Altschmutz braucht zweiten Durchgang und ausgewaschenes Pad
  • In rechtwinkligen Ecken bleibt knapp 1 cm ungeputzt
  • Im flachen Gegenlicht feine Spuren sichtbar
  • Programmwechsel nur per App, keine Fernbedienung

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