Automated Sunroom & Glass Roof Cleaner
We test and rank the top robots for cleaning skylights, roof windows and glass roofs — so you can pick a safe, streak-free cleaner without the guesswork.
Ranked by real-world cleaning performance, safety on overhead glass, battery life and overall value.
A docking-station window and skylight robot that turns multi-pane roof cleaning into a one-minute routine, with eight cleaning modes and reliable frameless-glass edge detection — provided you have mains power near the glass.
Read our full review →The station-edition Ecovacs window cleaner for clustered or conservatory skylights, pairing the full eight-mode planner with a heavier base station that keeps cord and tether tidy on a sloped roof.
Read our full review →A highly efficient, safety-focused flat-surface curtain wall cleaning robot with impressive daily throughput and eco-friendly water circulation, though its limited obstacle clearance and battery dependency restrict it to relatively smooth facades.
Read our full review →A powerful, long-endurance curtain wall cleaning robot with impressive 600-meter working height and 20cm obstacle-crossing capability, though its substantial weight and reliance on battery power may pose handling and runtime challenges for extended operations.
Read our full review →A heavy-duty, high-altitude curtain wall cleaning robot with exceptional obstacle-clearing capability and continuous operation, though its size and tethering requirements limit deployment flexibility.
Read our full review →Every robot goes through the same hands-on test routine before it earns a spot in our rankings.
Unboxing, app pairing, remote control and mounting on sloped overhead glass.
Streak tests on dusty and water-stained glass, edge coverage and squeegee drying.
Suction strength, tether quality, anti-fall protection and runtime per charge.
Price, replacement pad costs, noise level and the length of the warranty.
The Mamibot iGLASSBOT W120-P is a square-bodied window and skylight cleaning robot with a built-in water tank — the feature that separates it from…
Read full reviewThe Mamibot iGLASSBOT W200 SkyBot is a cordless window and skylight cleaning robot — the rare one in this category that runs on its…
Read full reviewThe Ecovacs WINBOT mini 2 is the compact member of the family, built for smaller panes and tight frames. It measures just 215×215×55mm —…
Read full reviewThe Ecovacs WINBOT W2S PLUS is the station-edition window cleaning robot in Ecovacs’ line, aimed at owners with several skylights or a glass conservatory…
Read full reviewThe Ecovacs WINBOT W3 is a corded window and skylight cleaning robot from Ecovacs, the Chinese cleaning-robot maker that leads the global window-cleaning category.…
Read full reviewProduct Overview The Lingfeng S1 is a professional-grade curtain wall cleaning robot designed for high-altitude facade maintenance. With unfolded dimensions of 4240×1540×1540mm and a…
Read full reviewNew releases, firmware updates and announcements from the world of skylight cleaning robots.
View all newsHigh-rise window cleaning robots cut rope time, but only within wind and geometry limits. Here is the 2026 field guide by building height.
Read articleA skylight cleaning machine is only as good as its slope rating. Here is the 2026 buyer guide for glass roofs and atria.
Read articleSkylight cleaning cost in 2026 comes down to one comparison: the rope crew you hire each quarter versus the robot you own once.
Read articleA skylight cleaning robot is a compact, automated device that drives across glass skylights, roof windows and glass roofs to scrub and squeegee them dry. Most models attach with a powerful vacuum motor and a safety tether, so they can work on sloped and overhead glass without you climbing a ladder.
Most robots work on standard tempered and laminated skylight glass, but you should always check the manufacturer's guidance for cracked or fragile panes, textured glass and special coatings. Every review on this site notes the glass types and roof pitches a model is rated for.
Yes. Even robots with strong vacuum suction should be used with the included safety tether when cleaning overhead or high glass, as a backup against sudden power loss or suction failure. Safety performance is one of the key factors in our rankings.
