As an Amazon Associate I earn from qualifying purchases.
Kärcher WV 7 vs Bosch GlassVAC
Prices in euros from Amazon.de, as of 11 June 2026. Prices and availability may differ on Amazon.co.uk.
By Seydhan Cakmak · Editor-in-chief · Last checked: · AI-translated from the German original
Both are cordless window vacuums from established manufacturers, but differ in endurance and format: the Kärcher is long-lasting and fully equipped, the Bosch particularly compact and cheap. We compare battery runtime, nozzles, tank, weight and price.
Editorial rating based on manufacturer specs and Amazon catalogue data. We do not trial products ourselves. How we rate
Who wins in which category?
| Category | Winner | Reasoning |
|---|---|---|
| Battery life | Kärcher WV 7 | up to 100 min vs. approx. 30 min; the Kärcher manages more windows per charge |
| Suction width | Kärcher WV 7 | wide nozzle 280 mm + narrow 170 mm vs. 266 mm + 133 mm; the Kärcher covers large surfaces somewhat more widely |
| Charge indicator | Kärcher WV 7 | LED charge indicator with remaining runtime vs. no LED indicator on the Bosch |
| Compactness | Bosch GlassVAC | 16 × 10 × 22 cm and approx. 0.7 kg, very compact and easy to store |
| Area of use | Bosch GlassVAC | explicitly marketed also for car windows vs. focus on windows, mirrors, tiles for the Kärcher |
| Price | Bosch GlassVAC | from €61 vs. from €99.99 |
Which one is right for you?
If you want to squeegee many or large window fronts in one go and value endurance and a charge indicator → Kärcher WV 7. If you are looking for a compact, cheap solution for standard flats and also for the car → Bosch GlassVAC. For small flats the Kärcher's 100-minute endurance is oversized.
Kärcher WV 7 or Bosch GlassVAC? Short answer.
Which is better: Kärcher WV 7 or Bosch GlassVAC?
That depends on your priority. Battery runtime: Kärcher WV 7 (up to 100 min vs. approx. 30 min; the Kärcher manages more windows per charge); suction width: Kärcher WV 7 (wide nozzle 280 mm + narrow 170 mm vs. 266 mm + 133 mm; the Kärcher covers large surfaces somewhat more widely); charge indicator: Kärcher WV 7 (LED charge indicator with remaining runtime vs. no LED indicator on the Bosch). Which model suits which type of user is covered in the conclusion of this comparison.
How do the Kärcher WV and Bosch GlassVAC differ?
The Kärcher WV and Bosch GlassVAC differ mainly in these points: battery runtime (advantage Kärcher WV 7), suction width (advantage Kärcher WV 7), charge indicator (advantage Kärcher WV 7), compactness (advantage Bosch GlassVAC), area of use (advantage Bosch GlassVAC), price (advantage Bosch GlassVAC).
More window vacuums comparisons.
All window vacuums compared
Complete table of all rated models with pros and cons, dimensions, price and recommendation per use case.
CategoryOpen the window vacuums category
All subcategories, reviews and buying guides for window vacuums.
Guide · 6 minMini appliance buying guide
How to read energy labels, consumption figures and dimensions correctly: the buying guide for singles.