Comparison of Kärcher WV1, WV2, WV5 and WV6 Window Vacuums in 2026

January 9, 2026

A Detailed Comparison of Kärcher WV1, WV2, WV5 and WV6 Window Vacuums in 2026

Some time ago, we pulled together an in-depth comparison of the different Kärcher Window Vacuums but many have asked for a simplified quick round-up comparison of WV1 vs WV2 vs WV5 vs WV6. So here it is!

Kärcher is renowned for its innovative cleaning solutions, and its range of window vacuums has garnered widespread acclaim for their effectiveness in streak-free window cleaning.

Among their lineup are the WV1, WV2, WV5 and WV6 models, each offering unique features suited to different cleaning needs.

In this quick round-up, we’ll delve into a detailed comparison of these Kärcher window vacuums to help you make an informed decision.

Quick Comparison between the Kärcher window vacuums

If you just want the quick answer on which Kärcher window vacuum is right for you, the comparison table below gives you a side-by-side snapshot of the WV1, WV2, WV5 and WV6. This makes it easy to pick the right Kärcher for your home before diving into the full, in-depth comparison further down the page.

Model	Key Feature	Check Price
Karcher WV 1 Window Vac	Lightweight entry-level window vac — perfect for small windows, mirrors and shower screens.	Check price
Karcher WV 2 Window Vac	Improved runtime and wider suction blade for more coverage than the WV1.	Check price
Karcher WV 5 Plus Window Vac	Mid-range option with replaceable battery and more advanced features like adjustable suction and larger tank.	Check price
Karcher WV 6 Plus Window Vac	Flagship model with longest runtime, largest tank and premium performance for larger cleaning tasks.	Check price

Kärcher WV1 Window Vac – The Essential Entry-Level Choice for Quick, Simple Cleans

The WV1 is the entry-level model in Kärcher’s window vacuum lineup, designed for basic window cleaning tasks.

Key features include:

Lightweight and compact design for easy handling.
Lithium-ion battery with a runtime of approximately 20 minutes.
250mm suction blade for efficient water removal.
LED indicator for battery status.
Suitable for smaller windows, mirrors, and glass surfaces.

Kärcher WV2 Plus Window Vac – The Best Value All-Rounder for Most Homes

The WV2 builds upon the WV1 with additional features and improved performance. Here’s what sets it apart:

Longer battery life, offering up to 25 minutes of runtime on a single charge.
Fast charging time of approximately 2 hours.
280mm suction blade for increased coverage and faster cleaning.
Improved water recovery system for streak-free results.
Lightweight and ergonomic design for comfortable use.

**Buy Now :** Kärcher WV 2 Plus Window Vac

Kärcher WV5 Plus Window Vac – The Mid-Range Choice with a Removable Battery

The WV5 is a step up from the WV2, offering enhanced functionality and convenience. Its notable features include:

Extended battery life of up to 35 minutes, ideal for larger cleaning tasks.
Removable and replaceable battery for continuous cleaning.
Adjustable suction levels for optimal performance on different surfaces.
280mm suction blade + 170 suction blade.
Larger dirty water tank capacity for fewer trips to empty.
Integrated spray bottle and microfiber cloth for pre-cleaning.

**Buy Now :** Kärcher WV 5 Plus N Window Vac

Kärcher WV6 N Window Vac – The Professional Powerhouse with 100-Minute Runtime

The WV6 is the flagship model in Kärcher’s window vacuum range, boasting advanced features and superior performance. Here’s what makes it stand out:

Innovative Edge Guidance System for precise cleaning along edges and corners.
Extra-long battery life of up to 100 minutes on a single charge.
Rapid charging technology with a charging time of approximately 1.5 hours.
Large suction blade with a width of 280mm for efficient water removal.
Real-time battery level display and status indicator for convenience.

Kärcher 16332220 WV 6 Plus N Window Vac, 10 W, 240 V, Yellow/Black — **Buy Now :** Kärcher WV 6 Plus N Window Vac

Comparison Table – WV1 vs WV2 vs WV5 vs WV6

Feature	WV1	WV2	WV5	WV6
Battery Life	20 minutes	25 minutes	35 minutes	100 minutes
Charging Time	~3 hours	~2 hours	~3 hours	~1.5 hours
Suction Blade	250mm	280mm	280mm	280mm
Suction Levels	N/A	N/A	Adjustable	Adjustable
Dirty Water Tank	100ml	100ml	100ml	150ml
Integrated Spray	No	No	Yes	No
Edge Guidance	No	No	No	Yes
Weight	~0.55kg	~0.6kg	~0.7kg	~0.8kg

Comparison of the WV1, WV2, WV5 and WV6 Kärcher Window Vacs

Karcher WV2 vs WV6: Is the Premium Model Worth the Extra Cost?

If you are torn between the “Gold Standard” WV2 and the flagship WV6, the decision comes down to how many windows you have and how much you value convenience.

The Battery Jump: The WV2 gives you a respectable 25 minutes of run-time (approx. 35 windows). The WV6 obliterates this with 100 minutes of power.
No More Guesswork: The WV2 uses a simple flashing LED to warn you when it’s dying. The WV6 features a digital minute-by-minute display, so you know exactly how much cleaning time is left.
Improved Suction Blade: The WV6 uses a new “Liquid Silicone” technology. The blade is longer and more flexible, which makes it much easier to suction all the way down to the floor or into tight corners without losing suction.
Tank Capacity: The WV6 has a 150ml dirty water tank, which is 50% larger than the WV2’s 100ml tank, meaning fewer trips to the sink.

The Bottom Line: If you live in a 3+ bedroom house or have a large conservatory, the WV6 is worth every penny of the extra cost. If you just want to clear morning condensation or clean a small flat, stick with the WV2—it’s the best value-for-money choice.

Karcher WV5 vs WV6: Comparing the Top-Tier Performance and Battery

This is the “Pro” battle. While the WV6 is the newer flagship, the WV5 has one “secret weapon” that might make it a better choice for some.

The Battery Strategy: The WV6 has a built-in battery that lasts 100 minutes. The WV5 lasts 35 minutes, but it has a removable battery. If you buy a second battery and the optional charging dock, you can have “infinite” run-time.
Edge Guidance: Both models have an adjustable edge guide (the little plastic tabs on the side of the head) that allows you to get a perfect streak-free finish right up against the silicone sealant of your window frames.
Weight & Feel: The WV5 is slightly lighter (~700g) compared to the beefier WV6 (~800g). While 100g doesn’t sound like much, you’ll feel it after cleaning 20 windows!

The Bottom Line: Choose the WV6 for its incredible 100-minute single charge and high-tech digital display. Choose the WV5 Plus N only if you prefer the idea of swappable batteries or if you find the WV6 a little too heavy for long cleaning sessions.

Conclusion

In conclusion, Kärcher offers a range of window vacuums catering to different cleaning needs and budgets.

The WV1 is a budget-friendly option suitable for basic window cleaning tasks, while the WV2 offers improved performance and features at a slightly higher price point.

The WV5 and WV6 models are ideal for those seeking advanced functionality, longer battery life, and additional convenience features such as adjustable suction levels and integrated spray bottles.

Ultimately, the choice between these models depends on your specific cleaning requirements and most importantly, your budget considerations.

You can learn more about each of the Kärcher Window Vacuums here : A Comparison of the Kärcher Window Vacs – which is best?

You can purchase all of the Window Vacs we have discussed here :