# WINBOT W3 Omni vs W66: specs and price compared

A sourced, side-by-side comparison of the WINBOT W3 Omni (Ecovacs) and W66 (HUTT) among robot window cleaners.

## Side by side

| Spec | WINBOT W3 Omni | W66 |
| --- | --- | --- |
| US price | $699.99 | not published |
| Brand | Ecovacs | HUTT |
| Released | 2026-01 | — |
| Suction power (Pa) | 10000 | 2600 |
| 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 | ~2.5 min/m^2; intelligent suction algorithm adjusts to dirt level |
| Battery backup min | 130 | 30 |
| Spray system | 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) | 150ml intelligent water tank, wipes 70-90 sq m of glass per fill |
| Path planning | WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance | Laser module measures range for accurate window-frame edge detection |
| Noise level (dB) | 71.5 | 65 |
| Safety tether | 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope | 5m safety cable (load rating not published) |
| Edge detection | Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame | Laser-based frame/edge ranging, more precise than prior HUTT models per manufacturer |
| Weight (lb) | 4.9 | 3.46 |

## Key differences

- Suction power (Pa): WINBOT W3 Omni 10000 vs W66 2600
- 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 W66 ~2.5 min/m^2; intelligent suction algorithm adjusts to dirt level
- Battery backup min: WINBOT W3 Omni 130 vs W66 30
- 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 W66 150ml intelligent water tank, wipes 70-90 sq m of glass per fill
- Path planning: WINBOT W3 Omni WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance vs W66 Laser module measures range for accurate window-frame edge detection
- Noise level (dB): WINBOT W3 Omni 71.5 vs W66 65
- Safety tether: WINBOT W3 Omni 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope vs W66 5m safety cable (load rating not published)
- Edge detection: WINBOT W3 Omni Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame vs W66 Laser-based frame/edge ranging, more precise than prior HUTT models per manufacturer

## Sources

- WINBOT W3 Omni: https://www.ecovacs.com/us/shop/winbot-window-cleaning-robot/winbot-w3-omni (ecovacs.com, verified 2026-08-01)
- W66: https://hutt.bg/en/hutt-w66-window-cleaner-robot (hutt.bg, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-hutt-w66/
Cite: Per The Front Desk Review, WINBOT W3 Omni ($699.99) vs W66 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-hutt-w66/
License: CC BY 4.0.