Best window cleaning robot
The best window cleaning robot is the Ecovacs Winbot W3 Omni at $549. It runs cordless for up to 130 minutes and its station washes the pad for you, and CyberShack rated it 4.5 out of 5. On a budget, the Mova N1 ($179) left framed windows streak free for EFTM.
Researched by Riley Hart · updated Oct 28, 2026 · How we research
As of October 28, 2026, the Ecovacs Winbot W3 Omni ($549) is the best window cleaning robot: it runs cordless for up to 130 minutes, its station washes and re-wets the pad in about a minute, and CyberShack rated it 4.5 out of 5 for results better than hand cleaning with precise edges. The best budget pick is the Mova N1 ($179), which EFTM found streak free on framed windows. For small or narrow panes, the Ecovacs Winbot mini 2 ($178.60) fits glass down to 25 x 25 cm. Skip the Winbot W2S Pro Omni at $599.99, which now costs more than the W3 Omni and lacks pad washing.
Top 3 picks in this guide
Affiliate links. Prices checked Nov 11, 2026. They can change.
| Robot | Price | Power | Pad care | Window size | Note |
|---|---|---|---|---|---|
| Ecovacs Winbot W3 Omni | $549 | Cordless, up to 130 min | Station washes and re-wets pad | Up to 8 m wide by 2.5 m tall per run (CyberShack) | Best overall |
| Mova N1 | $179 | Corded, 30 min hold on outage | By hand | 30 x 45 cm to 2 x 3 m | Best budget pick |
| Ecovacs Winbot mini 2 | $178.60 | Corded, 30 min hold on outage | By hand | Down to 25 x 25 cm | Best for small panes |
| Ecovacs Winbot W2 Pro Omni | $538 | Battery in station, 110 min | By hand | Not published | Corners need a wipe (TechRadar) |
| Ecovacs Winbot W2S Pro Omni | $599.99 | Cordless station, 110 min | By hand | Not published | Costs more than the W3 Omni |
| Hobot 2S | $299 | Corded, 20 min backup | By hand | Not published | Newest review we found is from 2021 |
| Hobot 298 | $199 | Corded, about 20 min backup | By hand | Not published | Missed edges (Modern Castle) |
| Ecovacs Winbot Mini | $159 | Corded, about 30 min hold | By hand | Small panes | Corners not fully cleaned (Galaxus) |
Runtimes, hold times and window sizes are maker specs unless a reviewer is named. Prices are the lowest non Amazon store price on file, checked October 26 to 28, 2026. The Winbot mini 2 price is from the Ecovacs US store; Best Buy listed it at $239.99.
How we ranked them
Window robots stick to glass with suction, spray a little cleaner, and wipe in a pattern with a microfiber pad. The differences that matter are how clean and streak free the glass ends up, how close they get to the frame, whether they handle frameless glass, and how much setup each window takes, from finding an outlet to rinsing a dirty pad.
We ranked every window robot on our list by named reviewer results from CyberShack, Gizmodo, TechRadar, EFTM, Modern Castle and others, then by power setup, pad care, safety tether and price. We did not run our own trials. Maker suction claims in Pa are hard to compare, so we gave them little weight.
Best overall: Ecovacs Winbot W3 Omni ($549)
The W3 Omni removes the two biggest chores of window robots. It runs on battery for up to 130 minutes, so you do not need an outlet beside every window, and its station washes and re-wets the pad in about a minute. TechRadar's Dutch edition confirmed the station returns a clean, damp pad in 1 to 1.5 minutes.
CyberShack used it for several weeks, rated it 4.5 out of 5, and said results beat hand cleaning with precise edge coverage. A spinning TruEdge scrubber handles the frame line, and 9to5Google saw streak free results when using the Ecovacs solution. The safety cord is rated to 100 kg.
It is not perfect. Gizmodo saw streaks, missed patches on tapered frames, and one run that stopped after a single corner. CyberShack and 9to5Google both saw a faint outline where the pad stops. The station weighs 10 kg, which is heavy to carry room to room.
Best budget pick: Mova N1 ($179)
The Mova N1 costs about a third of the W3 Omni and still cleans well. EFTM rated it 83% and found it excellent on framed windows with no streaks. home&smart rated it 82 out of 100 for good cleaning and easy handling. Its 120 ml tank is as large as any robot on our list and covers up to 32 m² per fill, per Mova.
It is corded, so you need an outlet near each window, and it holds on for 30 minutes if the power cuts out. It has no corner scrubbers, Digital Reviews Network found edge cleaning hit and miss with a few drips on the sill, and EFTM saw it slip on a frameless shower screen.
Best for small panes: Ecovacs Winbot mini 2 ($178.60)
Most window robots need a pane well over a foot wide. The Winbot mini 2 is 215 mm square and Ecovacs says it works on glass down to 25 x 25 cm, which suits divided panes and narrow side lights. A TechRadar home editor said it cleaned windows only slightly wider than itself and removed water marks and bird droppings.
It has corner brushes on all four corners and comes with two safety ropes. It runs on mains power, its tank holds just 50 ml, and there are few English reviews yet.
Best premium pick: still the W3 Omni
There is no reason to pay more than the W3 Omni right now. The Winbot W2S Pro Omni costs $599.99, more than the W3 Omni, and its pad must be rinsed by hand. Basic Tutorials scored it 92 out of 100 for nearly streak free results, but heavy dirt clogged the pad.
The Winbot W2 Pro Omni ($538) is only $11 less than the W3 Omni. TechRadar gave it 5 out of 5 for performance and said very dirty windows came clean in one cycle, but its cloth cannot reach the very corners.
What to avoid
Modern Castle found the Hobot 298 missed glass edges and left streaks with water alone. Galaxus found the Ecovacs Winbot Mini no faster than cleaning by hand, with imperfect corners, 77.8 dB up close, and no luck on frameless panes. The Hobot 2S may be fine, but the newest independent review we found is from 2021.
Safety tips for window robots
Always clip the safety tether before cleaning. The Ecovacs W3 Omni manual says to lock the tether to a strong indoor railing with the carabiner, and to clean exterior windows only when the robot is properly tethered.
The same manual says not to use it on glass thinner than 3 mm, on cracked or uneven glass, in rain or snow, or in strong wind. On frameless glass it says to keep the robot more than 10 cm from the edge. It is designed for 0 to 40°C.
Wipe heavy grime and bird mess first. Reviewers of the W3 Omni, Winbot W2S and W2S Pro Omni all found that caked on dirt needed manual work or a second pass.
Best window cleaning robots
Questions people ask
What is the best window cleaning robot?
The Ecovacs Winbot W3 Omni at $549. It runs cordless for up to 130 minutes, its station washes the pad, and CyberShack rated it 4.5 out of 5.
What is the best cheap window cleaning robot?
The Mova N1 at $179. EFTM found it streak free on framed windows, though it is corded and has no corner scrubbers.
Do window cleaning robots really work?
Yes, on flat, reasonably clean glass. CyberShack said the W3 Omni beat hand cleaning. Most reviewers still saw faint pad marks or missed corners, and heavy grime needs a wipe first.
Can a window cleaning robot clean outside windows?
Yes, if it is tethered. The Ecovacs W3 Omni manual says to clip the safety tether to a strong indoor railing and not to clean outside in rain, snow or wind.
Do window robots work on frameless glass?
Many say they do, but results vary. EFTM saw the Mova N1 slip on a frameless shower screen. Ecovacs tells W3 Omni owners to keep the robot more than 10 cm from a frameless edge.
What window robot is best for small windows?
The Ecovacs Winbot mini 2 at $178.60. Ecovacs says it works on panes as small as 25 x 25 cm.
Related
- Best window cleaning robots, ranked
- Best window robots under $300
- Best window robots for frameless glass
- Best window robots with a base station
- Ecovacs Winbot W3 vs W2S
- Ecovacs Winbot vs Hobot
- How to choose a window cleaning robot
- Ecovacs Winbot error codes
- Winbot W3 Omni
- Mova N1
- Winbot mini 2
- Winbot W2 Pro Omni