Karcher Window Vacuum cleaner

Karcher Window Vac Reviews & Comparison

When it comes to excellent window cleaning products, Kärcher is the most trusted name in the UK.

In today’s guide, we’re going to review the most popular karcher window vacs of 2022

We’ve covered all available models from high end to the cheapest karcher window vacuum so that you can select products based on your budget.

Karcher Window Vac Model Comparison & Review

If you clean up the floors without treating the windows properly, your guests will easily discover this and it will not make you happy.

These reviews will assist you in making the most satisfactory choice when shopping for a Karcher window hoover.

We have carefully researched & analysed all of the Karcher window vac models and came up with the best 5 that you can put your money on.

Our analysis is based on so many vital factors including suction power, price, dust box capacity, voltage, weight, runtime, just to mention but few.

It is our hope that this guide will expose you to top Karcher window cleaners that will give you value for your money.

Karcher VacWeightCharge TimeRun TimePrice
Karcher Anniversary599 g185 mins35 mins
Kärcher Window Vac WV5699 g185 mins35 mins
Kärcher Window Vac WV 2880 g120 mins25 mins
Kärcher Window Vac WV 1499 g90 mins20 mins
Kärcher 16335310 WV 6762 g170 mins100 mins

1. Kärcher Window Vac Anniversary Edition

Karcher Window Vac Anniversary


  • Power: 10 Watts
  • Battery type: Lithium-ion
  • Runtime: 35 minutes
  • Weight: 599 grams
  • Product Dimensions: 12 x 28 x 32 cm

The Karcher window Vac Anniversary Edition is a product of 10th anniversary of the company. It is the best window vacuum cleaner for showers, tiles, mirrors, cabinet, to mention a few.

It comes with a longer runtime when compared to other models of Karcher window washer such as the WV2. With an exceptional runtime of 35 minutes, this cordless window vacuum washer is a product to get if you want the best cleaning results.

Furthermore, its battery is made of lithium-ion and that is why it delivers with utmost efficiency. You can interchange between large and small suction heads so that you will be able to use the perfect size for the type of work you are doing.

There is also a spray bottle having a microfiber head so that you can achieve your desire during cleaning. With a cleaning detergent satchel of 20ml, it is easier for you to clean appropriately for a perfect outcome. This is an ideal product to go for if you genuinely desire value for your money.

Key Features:

  • Rechargeable lithium-ion battery guaranteeing 35 minutes of runtime.
  • Replaceable suction head so that you get the perfect size for your cleaning jobs.
  • Has a spray bottle that comes with a microfiber head for getting the best cleaning result.
  • Comes with a cleaning detergent of 20ml sachet.
  • Ideal for streak-free quick cleaning of flat surfaces like mirrors, worktops, tiles, windows and so on.


2. Kärcher Window Vac WV5

Kärcher Window Vac WV5


  • Battery type: Lithium-ion
  • Runtime: 35 minutes
  • Wastewater tank: 100 ml
  • Weight: 700 grams
  • Product Dimensions: 12.5 x 28 x 32.5 cm

If you are looking for a perfect window hoover that can also be used for cleaning your cabinets, showers and tiles, you should consider the Kärcher Window Vac WV5 Premium. It leaves your flat surfaces with radiant finish without any streak.

It comes with an edge guidance system which can be adjusted to suit your purpose so that every hidden dirt will be eliminated. You will love the two replaceable suction heads of 170mm and 280mm giving you the freedom to choose the perfect size that meets your desire.

What’s more, there is a spray bottle and a microfiber cloth which enable you to get rid of stubborn stains. A 20-ml sachet of cleaning concentrate is also included in the package so that you can spend less and achieve more.

With a battery runtime of 35 minutes, you can’t get it wrong if you go for this product. Its battery is replaceable meaning that you can work with the confidence of no break.

Key Features:

  • Streak-free cleaning of flat surfaces like mirrors, worktops, tiles, windows and so son.
  • Edge guidance system that can be adjusted manually ensures all-round perfect cleaning.
  • Replaceable suction heads for achieving the most desired results.
  • Comes with a spray bottle that has a microfiber cloth.
  • Replaceable lithium-ion battery for ease of operation.


3. Kärcher Window Vac WV 2 Plus

Kärcher Window Vac WV 2 Plus for windows


  • Battery Type: Lithium-ion
  • Runtime: 25 minutes
  • Weight: 880 grams
  • Product Dimensions: 32 x 12 x 28 cm

The Kärcher Window Vac WV 2 Plus is your best bet if you want a radiant streak-free finish on all your flat surfaces. It is powered by a lithium-ion rechargeable battery with a runtime of 25 minutes.

When fully charged, it can clean up to 75 square metres of flat surfaces and this is equivalent to about 55 windows. Other accessories you will find with this product include a spray bottle, 20-ml sachet of cleaning concentrate and a microfiber cloth.

Also, it has a tank that is very easy to empty by just opening it and pouring its contents away. This ensures that you don’t have any contact with the soiled water. This Karcher window vac has powerful suction and that is why it vacuums dirty water efficiently giving you a perfect finish at all times.

You will love its 280mm cleaning blade and a battery charging device giving you a machine that will not disappoint you when it matters most. You can give this product a try if you want your window to be sparklingly clean at all times.

Key Features:

  • Rechargeable lithium-ion battery with the capacity of cleaning 55 windows.
  • The runtime of 25 minutes, ensuring that you get adequate time cleaning your windows.
  • Has a spray bottle that comes with a microfiber cloth for high performance.
  • You will have access to a 20-ml sachet of cleaning concentrate,
  • Its container is easy to empty by just opening the tank and pouring the contents away.


4. Kärcher WV 1 – Karcher Window Vac Cheapest

Kärcher Window Vac WV 1 for windows


  • Power: 1800 Watts
  • Battery type: Lithium-ion
  • Wastewater tank: 100 ml
  • Runtime: 20 minutes
  • Weight: 499 grams
  • Product Dimensions: 12 x 14 x 26.4 cm

If you are looking for the cheapest Karcher window vac that will perform to your expectations, you should check out the Kärcher Window Vac WV 1. It is an ideal machine that will ensure that all your flat surfaces like tiles, windows, mirrors, etc., are properly cleaned without leaving any streak on them.

It comes with a lithium-ion battery with a runtime of 20 minutes. This machine has the capacity of cleaning up to 55 square metres of flat surfaces which is equivalent to about 45 windows.

You can easily empty its container by just removing the tank and pouring away its contents to your desired location. This way, you will not have any contact with the soiled water for more hygienic cleaning.

Also, it has a lightweight design and that is why you can manoeuvre it without much stress. It has a powerful suction which ensures that no dirty water is spared and that is why you will get the perfect result at all times.

Key Features:

  • Rechargeable lithium-ion battery guaranteeing 20 minutes of runtime.
  • Ensures that up to 55 square metres of windows are cleaned when fully charged.
  • Its tank is easy to empty by just opening it and pouring the contents away.
  • Ergonomic design for ease of use during operations.
  • Lightweight design for easy manoeuvre.
  • Cheapest Price


5. Kärcher 16335310 WV 6 Premium Window Vac

Kärcher 16335310 WV 6 Premium Window Vac


  • Battery type: Lithium-ion
  • Runtime: 100 minutes
  • Product Dimensions: 12.6 x 28 x 31 cm

The Kärcher 16335310 latest window vac is a cleaning machine that will give your flat surfaces the streak-free cleaning you have always desired. It comes with the latest rich features that make it stand out among other models in the Karcher family. It is powered by a lithium-ion battery with a runtime of 100 minutes ensuring that you get your cleaning done without unnecessary breaks.

Besides, it has a lightweight design and that is why you can manoeuvre it on your window without stress. This machine can clean up to 60 square metres of flat surfaces when fully charged. You will love its powerful suction which ensures that the soiled water does not drip.

Other accessories with this product include a spray bottle, charger, spray lever, microfiber cleaning cloth, spray lever, among others. The Kärcher 16335310 is in our list of newest and top products because it can work at a higher level of performance.

Key Features:

  • Powerful rechargeable battery guaranteeing a run time of 100 minutes.
  • Lightweight design for easy manoeuvre.
  • Streak-free cleaning for all the flat surfaces in your home.
  • Coomes with a spray bottle and microfiber cloth so that you will be able to get the best cleaning result.


How To Use Karcher Window Cleaner?

Karcher’s wide range of window cleaners is very effective for making your windows radiant without giving you too much stress. It is effortless to use any model of Karcher products and that is why they are very popular with home managers. You only need to use a soap solution or detergent to clean your windowpane before going ahead with vacuuming so that the dirty water will be eliminated.

You can also use Karcher window vac to clean your mirrors and tiles. It can also be used to remove condensation from the interior part of your windscreen and windows. At the end of the day, you will get a perfect, sparkling glass that will make you proud in the midst of your visitors.

How to clear up spills: To clear up spills, you only need to use your Karcher window vac to suck it up with just a swipe. When you realize that the tank is full of dirty water, you should unplug the machine and evacuate the water tank. After the successful evacuation, you should put the plug back. If you have more cleaning to carry out, you should then go ahead without much stress.

How to clean mirrors: Cleaning mirrors is as easy as ABC with Kärcher vacs. You only need to fill a spray bottle with water as well as detergent. You should then spray the mirror and use the microfiber cloth to scrub the surface gently. After that, you should introduce the window vac and move it downwards over the mirror so that the soiled water will be eliminated for a radiant finish. This way, you will get clean mirrors that will be sparkling.

How Karcher Window Vacuum Works?

Karcher window vacuum cleaner is a fantastic machine that helps you to clean your windows, especially if you are a DIY dude. If you use it accordingly, it has the capacity of getting rid of the most stubborn stains which may not come off with normal washing.

It is a handheld machine that works by sucking off dirty water from your window so that you can get a streak-free result. Ideally, you will have to spray your window with a cleaning solution and probably apply a little effort with a microfiber towel. The wet & dry vac will then be used to eliminate the dirt so that your window will look radiant.

Additional Accessories For Better Cleaning

To get the best cleaning results, there are some accessories to look out for so that your effort will be stress-less at times. Your ability to get any of these accessories will go a long way in helping you to clean better without spending too much. Some of these accessories include the suction nozzle, pull-off lip, water tank for window vac, hip bag, wipe cover microfiber, among others.

Others include window vac spray bottle set, tank closure, baffle plate, filter tube, suction head, window vac charger, spray bottle, pad retainer, suction nozzle, window vac replacement separator, to mention a few.

Some of these accessories accompany some products at the point of purchase while you will need to get others to improve your cleaning job. You need to read product description properly before making a purchase and check the accessories as this will help you to hit the nail on the head.

WV1 Vs WV2 Plus Vs WV5 Comparison 2022 – What is The best Karcher window cleaner?

Karcher WV1, WV2 Plus and WV5 are popular products because of their rich features. We compare Karcher vacs so that you will be able to make a perfect choice. We put top priority on objectivity when comparing these models so that you will not make any mistake when making a choice.

The Karcher WV1 comes with a wide suction blade while the WV2 Plus has a variety of cleaning tools in addition to the wide suction blade. The WV5 comes with both narrow and wide suction nozzles.

It will interest you to note that both the WV5 and WV2 Plus have similar base units. The WV5 is superior with its detachable battery and more running time. On the other hand, the WV1 makes use of a more substantial base unit which is old-fashioned.

The WV2 has the most accessories, while WV1 has the least. The WV5 has the longest running time with extra suction nozzle but the most expensive among the three models being compared.

The WV2 costs slightly higher than WV1 with ideal cleaning tools with cheapest value and that is why we recommend that you go for it. The choice is yours because your expectations are significant when choosing a window vacuum.

Frequently Asked Questions

Does the anniversary model have an exchangeable battery?

The anniversary model has an exchangeable battery and that is why it remains the most sought-after model in the market. With a runtime of 35 minutes, this is certainly the perfect product to get if you want to achieve the most satisfactory cleaning results.

Will this clean up wet dog hair?

If you have wet dog hair on your window, you only need to apply the window vac washer and it will suck it. If there are marks on your window or glass door, you can use a detergent and gently scrub with a microfiber cloth. You should suck it dry with your window vac for a streak-free finish.

Will it remove light limescale?

With the suction power of most Karcher vacs, they have the capacity of removing light limescale. You only need to ensure that you follow the instructions so that you will not get a bad result.

Will this take the glue off windows?

Yes, it will. You only need to spray the cleaning concentrate on the glue stain and scrub with a microfiber towel. You should then use the window vacuum to wipe the window down to get rid of the dirt. If you follow this instruction properly, you are certainly going to get a result that will be pleasant to you.

How much water does it hold?

This is highly dependent on the model you are purchasing. You need to check the water tank capacity of the product you want to buy so that you will know the amount of water it can hold. This will help you to be prepared, knowing full well the number of windows you want to clean. It will also help you to choose a product that will cover the entire windows without much stress.

Does it really leave a better finish than a basic squeegee? What is the microfibre attachment for?

The Karcher vac will surely give you a better result compared to a basic squeegee. With a very high suction power, you can achieve a streak-free result with less effort. The attached microfiber cloth helps in scrubbing tough stains after the application of the cleaning solution. This will go a long way in ensuring that a better finish is achieved at the end of the day.

Can you use another window cleaning fluid such as Mr Muscle or do you have to use the Karcher one?

You can use any fluid of your choice. The Karcher vacuum has the capacity to suck any fluid no matter its configuration. Even though some models come with a cleaning fluid, this does not mean that you can’t use any other fluid of your choice to clean your window before vacuuming. No matter the fluid you use, you will certainly get the result you desire if you follow the right instructions.

Common Karcher Window Vac Problems And Fixes

If your Karcher window vac is having some issues, there are quick fixes that can be employed to bring the situation back to normal. In times past, you may need to buy a replacement part or a new machine if there is a fault with your window vacuum.

But in today’s world, you can fix some major problems without spending a dime so that you will be able to enjoy your machine. Let us look at some of these common problems and their solutions before you start shouting for help.

Battery problem: If your battery is not running, the battery may be bad or the charger is not working. It is also important for you to ensure that the battery is properly plugged to the wall so that the right current is flowing.

Also, you must ensure the points make the right contacts and this will ensure that the right terminals match each other. You can try to replace the battery if you have tried all the suggested approaches and if the problem persists, you can replace the charger.

Battery Corrosion: Battery corrosion is usually caused by water that leaked to the battery chamber leading to the death of the battery. There are many ways of preventing corrosion. You must ensure that you always keep your vac in a dry place.

Also, you should be careful with your angle of operation when working with the vac. Ideally, you should avoid using the vac on its side very often or upside down so that water will be prevented from entering the battery chamber.

Battery Life: The battery life of most Karcher vacs is between 20 and 35 minutes. However, if you discover a shorter battery against the specified value after purchase, you can negotiate for a replacement of the battery.

You need to note that batteries lose their runtime as times roll by due to frequent recharge. Usually, this loss of runtime should manifest after about a year of use depending on the frequency of use.

Battery Flashing Light: When you see a flashing light, it means your machine is low on battery. In a situation like this, you need to recharge your battery. However, in some other instances, you may see flashing green or red light which may indicate a fault.

At times, the low battery light may stay on even when the battery is dead. The light may even stay while charging and eventually, it may work for just a few minutes. You should replace your battery or better still, go for a full product replacement. If your warranty has not expired, a replacement will not be difficult for you.

Streaky Finish: If you see streaky finish after cleaning your window, you may be found wanting in terms of following cleaning instructions. You need to clean your window properly following the instructions in your manual so that you will be able to get a perfect result.

Ideally, you should try to clean from top to bottom and this will go a long way in eliminating streak after cleaning. You should take your time to go through the user manual properly and this will help you to understand the best way to make use of the machine.

On / Off Switch: If you are having issues with your on/off switch, it may be clogged with dirt. Usually, you can try to clean the cavity of the switch so that unwanted dirt can be eliminated.

If the problem persists and your machine is still under warranty, you can go for a replacement. If not, you can get a technician that will help you to fix the problem.

Noisy Motor: Most Karcher window vacs don’t make too much noise. However, if your machine is making too much noise, you can get a replacement if your warranty has not expired.

Alternatively, you can use a headphone or play a piece of loud music as a source of distraction from the noise. Who says you can’t enjoy yourself while you clean your windows.

Tips and Tricks to Make Your Glass Sparkling Clean

Making your windows streak-free can be a great challenge, especially in today’s busy world. Your schedule is very tight and you don’t have enough cash to hire a professional cleaner. You are not alone.

Many times, a lot of us spend a lot of our precious time cleaning our windows only to be left with dirt thereafter. You need to use the correct methods and tools to clean your window so that you will be able to get the most satisfactory outcome. Here are some tips to help you get the best from your window cleaning without going through too much stress.

Let Your Cleaning Be From the Top to the Bottom: To achieve a streak-free cleaning, you should let your cleaning be done from top to bottom. Since the cleaning solution can drip, you should explore this situation by starting your washing from the top and move the window vac down.

This will go a long way in ensuring that there is no drip on the surfaces you have cleaned. The result is a sparkling clean window that will be streak-free.

Wash Your Windows on a Cloudy Day: This may sound absurd but it works. When you clean on a sunny day, the cleaning solution will dry up quickly before wiping it away.

That is why you can fix your cleaning on a cloudy day so that you would have successfully wiped off the cleaning solution before it dries up. However, this does not mean you should not clean on a sunny day, but a cloudy day is better.

Make Use of a Squeegee: A first cloth wipe may not be enough to remove all the cleaning solution on your window. This may necessitate a second wipe which may leave streaks on it.

As a result of this, you can use a squeegee, especially a long-handled one, so that it will be easier for you to polish every section of your glass. You can also use the long squeegee to clean the doors and walls of your shower so that you will be able to get a sparkling finish.

Use Cotton Swabs for Corners: Window corners are very difficult to clean as some stubborn dirt will always stick there. You can use cotton swabs to clean the corners and this is not very difficult to do. You only need to make sure that the cotton swabs are properly prepared and their application to the corners should be strategic.

Experiment with an Old T-Shirt: You can save money by experimenting with your old t-shirts. They can clean your windows perfectly because they don’t have lint residue and this will prevent streaks from developing on your glass.

It is an environmentally-friendly way to clean your home and also good for your pocket. There is nothing bad in experimenting, after all, you don’t have anything to lose. If you carry out this instruction properly, you will not only get a perfect outcome but a cost-effective approach to cleaning your window.

Use Homemade Window Cleaner: You can make your own solutions at home to clean your window so that you can protect your glass from unknown chemicals. In addition, you will also save some bucks which would have been used to buy chemicals.

Making your own glass cleaner is not so difficult, you only need to blend a cup of alcohol with water (1 cup) and vinegar (1 tablespoon). This combination can also be used to clean your hard tiles as well as other surfaces in your home. You will be amazed at the result you are going to get if you follow the instructions properly.

Make Use of Newspapers: You can experiment with newspapers to give your window a perfect wash. Instead of using towels or cloth, you can try newspapers even though they don’t hold up properly when wet.

You can use gloves to apply them if you want to protect your hands. Using newspapers to clean your window is not a bad idea and if you do it well, you are going to get a good result.

Don’t Use Cleaners Woodwork: The chemicals in some cleaning solutions can damage the wooden frames of your window. As a result of this, you should try as much as possible to prevent direct contact between these chemicals and the frames.

A cloth can be placed on the frame and you should not spray too much cleaning solution at once. Alternatively, you should apply from one section to another right from the top to the bottom. This will go a long way in ensuring a perfect outcome.


If you don’t want to wipe your windows as well as other flat surfaces in your home manually, you need the best Karcher window vacuum. We have analysed the top five products in 2022 that we believe will leave your windows streak-free and do the job in a twinkle of an eye.

The good news here is that they won’t create a hole in your pocket while giving you the most satisfactory result.

We strongly believe that your desire to get it right in terms of window cleaning requires the right tools. As a result of this, you should do everything possible to choose the right window vacuum cleaner that will make the job of window cleaning a piece of cake for you.

We have made the searching job easier for you with this review and we hope you will make good use of it for a radiant home at all times. Wishing you happy homemaking.

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