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Put to the test: Window vacuums, squeegees and cleaning robots

Swiss consumer magazine “Kassensturz” tested three systems that promise streak-free windows. Window vacs, squeegees and window cleaning robots were put to the test. Find out more about the test and the results and check out the best in test!

The test:

A jury tested each device on indoor and outdoor windows of different sizes and heights. They also tested windows that cannot be opened and are hard to reach. The acid test entailed the testers smearing the windows with chocolate cream before cleaning them.


When cleaning with a regular squeegee, the windows are washed down with a sponge first. Next, water-borne dirt is drawn off the glass with the rubber blade. All the tested devices were used in combination with a telescoping pole.

Window vacuums:

Window vacs draw off the dirty water from the window with a rubber blade and a vacuum function without leaving any drops on the window sill or floor.

Window cleaning robots

The Ecovacs robot lifts off dirt with a damp microfibre cloth. Similarly, the Sichler robot also clings to the window with a vacuum and cleans the glass with rotating cleaning pads.

Examined criteria:

  • Cleaning performance (40% weighting)
  • Handling (30% weighting)
  • Everyday use (10% weighting)
  • Cleaning the device (10% weighting)
  • Noise levels (5% weighting)

Result: "WV 5 Plus" by Kärcher voted best in test!

1. place: Rated “very good“ and scored a 5.5

WV 5 Plus
CHF 59.–MSRP 119.–1
Kärcher WV 5 Plus
Nachfolger des WV 2 Plus mit noch stärkerem und auswechselbarem Akku!


Mail delivery

  • more than 10 piece(s)
    in our warehouse



  • Basel: today at 13:10
  • Bern: today at 12:45
  • Dietikon: today at 14:30
  • Kriens: today at 11:20
  • Lausanne: today at 15:40
  • St Gallen: today at 15:30
  • Winterthur: today at 13:30
  • Wohlen: more than 10 piece(s)
  • Zurich: today at 12:30

If ordered immediately.
Information subject to change.

View details

Further tested devices from our range:

2. place: Rated "good" and scored a 5.3

CHF 56.–MSRP 109.–1
Leifheit 51113


Mail delivery

  • approx. 2–4 days
    2 item(s) ready for shipment from external warehouse


  • All locations: approx. 5–7 days
    Currently 2 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

View details

51114 mit Stiel
CHF 60.–MSRP 99.–1
Leifheit 51114 mit Stiel
Praktisches Reinigungsgerät mit automatischer Saugfunktion für streifenfreies Reinigen! Inklusive Click-Stiel.


  • approx. 7–9 days
    Currently > 5 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

View details

7. place: Rated "sufficient" and scored a 4.6

Fenstersauger WW100
CHF 79.–
Black & Decker Fenstersauger WW100
"All in one" - Sprühen, Reinigen und Absaugen.


  • approx. 9–11 days
    Currently in stock at the supplier

If ordered immediately.
Information subject to change.

View details

8. place: Rated "sufficient" and rated a 4.2

Ecovacs WINBOT W930
Ecovacs Winbot W930 - Die Revolution der Fensterreinigung.


  • Currently unavailable. Delivery date unknown.

Information subject to change.

View details

See result table

Go to "Kassensturz" report

See all window vacuums

See all window cleaning robots


Cinzia Memper

Discovering foreign countries and cultures and tasting coffee or other delicacies is what I enjoy most when I travel. My home is decorated with little gems I find in thrift shops and at flea markets. When I’m having one of my big DIY moments, my creativity is unleashed. Both the mountains and the seaside restore my inner balance. With a snowboard or surfboard under my feet, I’m happy.

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