# WINBOT W3 Omni vs Profi-Fensterputzroboter PR-041 V3: specs and price compared

A sourced, side-by-side comparison of the WINBOT W3 Omni (Ecovacs) and Profi-Fensterputzroboter PR-041 V3 (Sichler) among robot window cleaners.

## Side by side

| Spec | WINBOT W3 Omni | Profi-Fensterputzroboter PR-041 V3 |
| --- | --- | --- |
| US price | $699.99 | not published |
| Brand | Ecovacs | Sichler |
| Released | 2026-01 | — |
| Suction power (Pa) | 10000 | — |
| Cleaning speed mode | 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode | 0.41 m^2/minute (12 cm/s movement speed) |
| Battery backup min | 130 | 20 |
| Spray system | 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) | Ultrasonic spray function (per product name/listing; hardware is HOBOT-derived) |
| Path planning | WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance | AI path calculation using laser and pressure sensors, adapts to surface unevenness |
| Noise level (dB) | 71.5 | 64 |
| Safety tether | 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope | 4.5m safety rope rated to 150kg |
| Edge detection | Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame | Laser sensor obstacle/edge detection + anti-fall algorithm |
| Weight (lb) | 4.9 | 2.65 |

## Key differences

- Cleaning speed mode: WINBOT W3 Omni 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode vs Profi-Fensterputzroboter PR-041 V3 0.41 m^2/minute (12 cm/s movement speed)
- Battery backup min: WINBOT W3 Omni 130 vs Profi-Fensterputzroboter PR-041 V3 20
- Spray system: WINBOT W3 Omni 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) vs Profi-Fensterputzroboter PR-041 V3 Ultrasonic spray function (per product name/listing; hardware is HOBOT-derived)
- Path planning: WINBOT W3 Omni WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance vs Profi-Fensterputzroboter PR-041 V3 AI path calculation using laser and pressure sensors, adapts to surface unevenness
- Noise level (dB): WINBOT W3 Omni 71.5 vs Profi-Fensterputzroboter PR-041 V3 64
- Safety tether: WINBOT W3 Omni 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope vs Profi-Fensterputzroboter PR-041 V3 4.5m safety rope rated to 150kg
- Edge detection: WINBOT W3 Omni Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame vs Profi-Fensterputzroboter PR-041 V3 Laser sensor obstacle/edge detection + anti-fall algorithm
- Weight (lb): WINBOT W3 Omni 4.9 vs Profi-Fensterputzroboter PR-041 V3 2.65

## Sources

- WINBOT W3 Omni: https://www.ecovacs.com/us/shop/winbot-window-cleaning-robot/winbot-w3-omni (ecovacs.com, verified 2026-08-01)
- Profi-Fensterputzroboter PR-041 V3: https://www.pearl.de/a-REF39093-3031.shtml (pearl.de, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-sichler-pr-041/
Cite: Per The Front Desk Review, WINBOT W3 Omni ($699.99) vs Profi-Fensterputzroboter PR-041 V3 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-sichler-pr-041/
License: CC BY 4.0.