Best Window Vacuum Under £100
Finding a reliable window vacuum that doesn't break the bank can transform your cleaning routine. We have analysed the top models under £100, comparing suction power, battery life, and build quality to help you choose the best value for your home.
Quick answer
The Karcher WV 6 Plus is our top pick for its exceptional suction, long battery life, and superior drying performance, making it the best overall window vacuum under £100. For a budget-friendly option that still delivers great results, the VonHaus 2-in-1 is a solid choice.
Why trust ToolBuyerHub
- Tested on specs (power, torque, PSI)
- Battery & ecosystem compared
- Aggregated owner reviews
- Build quality & warranty checked
- Brand reliability
- No fake hands-on claims
Research updated June 2026.
Karcher WV 6 Plus
Powerful suction and excellent battery life.
| Product | Best For | Suction | Rating | Price |
|---|---|---|---|---|
| Karcher WV 6 Plus | Overall | 70 mbar | 4.8/5 | £80 |
| VonHaus 2-in-1 | Budget | 55 mbar | 4.5/5 | £35 |
| Bosch GlassVac | Compact | 60 mbar | 4.6/5 | £65 |
| Vileda Window Vac | Shower Screens | 50 mbar | 4.3/5 | £45 |
| Karcher WV 2 Plus | Small Windows | 60 mbar | 4.4/5 | £50 |
Karcher WV 6 Plus
Best OverallPros
- Excellent suction power
- Long battery runtime
- Durable build quality
Cons
- Higher price point
- No spray bottle included
The Karcher WV 6 Plus is the most powerful window vacuum in this price range, offering 70 mbar of suction. This allows it to remove virtually all water from glass in a single pass, leaving a streak-free finish. Owner reviews consistently praise its ability to dry large windows and mirrors quickly without effort.
Its lithium-ion battery provides up to 35 minutes of continuous use, which is enough to clean all windows in an average home. The unit is lightweight at 600g, reducing fatigue during longer cleaning sessions. Karcher's reputation for reliability is well-supported by a standard 2-year warranty.
VonHaus 2-in-1 Window Vac
Best BudgetPros
- Very affordable
- 2-in-1 spray and vac design
- Lightweight and easy to handle
Cons
- Lower suction power
- Shorter battery life
The VonHaus 2-in-1 Window Vac is an excellent entry-level option that combines a spray bottle and vacuum in one unit. It offers 55 mbar of suction, which is adequate for smaller windows and mirrors. Many users appreciate the convenience of not needing a separate spray bottle, making it a tidy all-in-one solution.
Its 25-minute battery life is sufficient for a quick clean of a few rooms. While it may require an extra pass on larger panes compared to the Karcher, its low price makes it a fantastic choice for those on a tight budget. The build quality is respectable for the price, with a 2-year warranty providing peace of mind.
Bosch GlassVac
Best CompactPros
- Compact and easy to store
- Good suction for its size
- Quick charging time
Cons
- Small water tank
- Not ideal for large windows
The Bosch GlassVac is a compact and well-designed window vacuum that fits easily into small storage spaces. It delivers 60 mbar of suction, which is strong enough for most standard windows and shower screens. Users frequently mention its comfortable grip and intuitive controls as key advantages.
With a 30-minute battery life, it can handle a typical cleaning session without needing a recharge. Its main drawback is the smaller water tank, which requires more frequent emptying. However, for those with limited storage or who clean smaller areas, the Bosch GlassVac is a reliable and efficient tool.
Vileda Window Vac
Best for Shower ScreensPros
- Very lightweight
- Good for tight spaces
- Affordable price
Cons
- Lower suction power
- Shorter battery life
The Vileda Window Vac is a nimble and lightweight tool designed for quick clean-ups, especially on shower screens and tiles. Its 50 mbar suction is sufficient for removing water from smooth surfaces, and its small size makes it easy to maneuver in tight corners. Many owners use it daily to keep their bathroom glass spotless.
The 20-minute battery life is its main limitation, but for targeted tasks like a post-shower wipe-down, it is more than adequate. While it is not the best for large picture windows, its low cost and ease of use make it a popular secondary vacuum for specific jobs.
Karcher WV 2 Plus
Best for Small WindowsPros
- Strong suction for its class
- Karcher build quality
- Good value for money
Cons
- Shorter battery than WV 6
- Smaller water tank
The Karcher WV 2 Plus is a more affordable entry into the Karcher range, offering 60 mbar of suction. This is the same suction as the Bosch GlassVac, making it very effective on standard windows. It is a no-frills model that focuses on core performance, and owner reviews highlight its reliability and streak-free results.
Its 20-minute battery life is shorter than the WV 6 Plus, but it is still enough for a typical home's windows. The smaller water tank means more frequent emptying, but this is a minor trade-off for the lower price. For anyone who wants the trusted Karcher brand without paying top dollar, the WV 2 Plus is a smart choice.
What to Check Before Buying a Window Vacuum
Before you choose a window vacuum, consider the size of your windows and how often you will use it. Suction power, measured in millibars (mbar), is the most important factor for drying performance. Higher suction, like 70 mbar, ensures a single-pass dry, while lower suction may require multiple passes.
Battery life is another key consideration. Models with 30 minutes or more can handle a whole house, while 20-minute units are better for smaller tasks. Also check the water tank capacity; a larger tank means less frequent emptying during a cleaning session.
Mistakes to Avoid When Buying
A common mistake is choosing a model based solely on price without checking suction power. A very cheap vacuum may leave streaks and require more effort. Another error is ignoring the battery type; lithium-ion batteries hold their charge longer and perform better over time than older nickel-cadmium types.
Many buyers also forget to check the width of the squeegee blade. A wider blade covers more area per pass, making the job faster. Finally, do not overlook the warranty; a longer warranty often indicates better build quality and manufacturer confidence.
FAQs
Can I use a window vacuum on shower screens?
Yes, window vacuums are excellent for shower screens and tiles, removing water to prevent limescale and soap scum buildup.
How do I clean a window vacuum?
Empty the water tank after each use and rinse it with clean water. Wipe the squeegee blade with a damp cloth to keep it free of debris.
Is a window vacuum better than a squeegee?
Yes, a window vacuum is generally faster and more efficient as it actively sucks up water, leaving a streak-free finish without dripping.
Can I use a window vacuum on car windows?
Yes, they are safe for car windows and can be very effective for cleaning interior glass without streaks.
How long does a window vacuum battery last?
Battery life varies by model, typically ranging from 20 to 35 minutes for models under £100.
What suction power is best for a window vacuum?
A suction power of 60 mbar or higher is recommended for effective, streak-free drying on standard windows.
Are window vacuums noisy?
Most window vacuums operate at a low noise level, similar to an electric toothbrush, making them quiet enough for early morning use.
Can I use a window vacuum on mirrors?
Yes, they are perfectly safe for mirrors and will leave them spotless without the risk of streaks or smears.
Do window vacuums work on textured glass?
They work best on smooth glass. Textured or frosted glass may not dry completely due to the uneven surface.
What is the warranty on a window vacuum?
Warranties typically range from 1 to 2 years. Brands like Karcher and Bosch often offer a 2-year warranty on their models.
Our verdict
For the best overall window vacuum under £100, the Karcher WV 6 Plus is unmatched in suction and build quality. If you are on a tighter budget, the VonHaus 2-in-1 offers great value and solid performance for everyday cleaning tasks.