Safety ropes are a great idea but not always convenient. These invariably come with a safety rope to stop death dives. Vacuum style creates a vacuum to adhere to glass. The twin round rotation pad also can not reach corners The square type often has triangle cuts at the four edge points, meaning that it cannot clean corners. Less is best.īut also remember that fine spray is subject to the wind blowing it off course. Some Winbots have centre wetting vents to wet the pads that appear to use a lot more liquid.

It does not leave water marks or streaks as there is not enough volume. We only have experience with the Hobot 388 that uses a 15um nano-spray to wet a portion of the window below the bottom pad. A good windows cleaner has cutting power and will remove this type of scum. Water is only 40% effective at removing salt spray and environmental grime. Water or Window cleanerĭon’t skimp on a good window cleaner recommended by the Winbot maker. We are not aware of the effects of any vibrating pad yet. Winner: Dual rotating pads appear better and offer some ‘elbow’ grease.

Robotic window cleaner