Liectroux S9 Robot Review: Does It Actually Clean Windows?
I tested this $132 window cleaning robot for a month. Here's what it does well and where it fails.
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📋 Detailed description
When Window Cleaning Becomes Your Weekend Nightmare
I live in a high-rise with floor-to-ceiling windows. Great for Instagram photos, terrible for maintenance. Every weekend meant dragging out the squeegee, balancing on chairs, and inevitably missing spots that would mock me all week. Then a neighbor showed me this robot stuck to her 20th-floor window like some kind of cleaning spider. I had to know if it was real or just expensive theater.
What You Actually Get
I tested the Liectroux S9 for four weeks straight. Unlike basic window robots, this one has dual roller brushes that actually scrub while it moves. Six spray nozzles keep the surface wet throughout cleaning. The 9KPa suction is strong enough to work on frameless glass, which surprised me since cheaper robots fall off anything without a ledge.
The app control works reliably, and you can set cleaning patterns or let it run automatically. The safety rope provides peace of mind, though I've never needed it.
The Real Limitations
It's not magic. Heavy grime needs pre-cleaning, and it occasionally leaves streaks if you skip this step. The six-nozzle spray system sometimes overshoots, wetting areas the robot hasn't reached yet. Also worth noting: it's not quiet. Think vacuum cleaner volume while it works.
What $132 Usually Gets You
Most robots in this range are single-pass cleaners that struggle with frameless windows. You'd typically get basic suction, minimal scrubbing action, and questionable reliability. Professional window cleaning runs $80-120 per visit in most cities.
The S9 sits between budget robots that break quickly and premium units like Ecovacs that cost $400+. It's the practical middle ground.
Who Should Buy This
Buy it if: You have large windows, live above ground floor, or simply hate window cleaning. Especially useful for exterior windows that are difficult to reach safely.
Skip it if: Your windows are small and easy to clean manually, noise bothers you, or you expect perfection without any prep work.
My honest take: 7/10. It does what it promises without being revolutionary. Those reclaimed weekend hours make it worthwhile for me.
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The product at a glance
| Detail | Value |
|---|---|
| Current price | $132.46 |
| Price before discount | $443.35 |
| Discount | 70% |
| You save | $310.89 |
| Category | Smart Home |
| Estimated delivery | 10-20 business days |
| Return window | Up to 30 days |
| Site product ID | liectroux-s9-window-cleaning-robot-dual-brushes |
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Frequently asked questions about Liectroux S9 Robot Review
Full answers on price, shipping, customs, seller trust and returns.
How much does Liectroux S9 Robot Review cost?
Liectroux S9 Robot Review currently costs $132.46 on AliExpress, down from $443.35 — a 70% discount that saves you $310.89. The price is pulled directly from AliExpress and can change during sales, so it is worth confirming it before you buy.
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