Ecovacs WINBOT W2 OMNI

The Ecovacs WINBOT W2 OMNI is considered the best robotic window cleaner available, offering impressive edge detection that cleans within 0.2mm of window frames and strong 5,500Pa suction for secure attachment. It features straightforward operation with just three buttons and includes a portable docking station with 110 minutes of cordless cleaning time. The device effectively removes hard water stains and general dirt using its upgraded three-nozzle spray system. However, buyers should know it requires supervision throughout the cleaning process since it idles on the window after finishing, draining battery life. It produces noticeable noise at 63-66dB and struggles with windows that have gaps between panes, interior grilles, or textured surfaces. The obstacle detection system can miss objects like doorknobs, though shock absorbers help prevent damage. This is ultimately a niche product best suited for homes with large, unobstructed flat glass surfaces rather than typical residential windows with frames and obstacles.