The Kärcher WV5 has an enclosed loop handle, which makes it comfortable to use when cleaning the outside of windows from inside the house. However, as with most window vacuums, some streaks can be left after use but that’s where the microfibre buffer comes in handy. First you need to mix a cleaning solution. This might be a window-specific cleaning solution, or warm soapy water. Experiment with different cleaners to find which delivers the best results with your vacuum.

If you’re not interested in the manual cleaning part, you can buy the product as the Bosch GlassVac Solo, which gets you the window vacuum only with the large suction head.

What Is The UK’s Best Window Vac?

It has a good battery life and won’t often need charging, especially if only being used for a few windows at a time. When it is time to charge, the WindoMatic window vacuum simply hooks up to a mains charger. Using the vacuum effectively takes a bit of trial and error to begin with, but it is possible to avoid creating streaks. The appearance of streaks is greatly reduced by starting with a very wet window and overlapping by 10 cm on each stroke, as well as using more detergent than you might expect. Choose the correct window vacuum head for the job. Some vacuums come with multiple heads so you’ll be able to choose between a smaller and larger blade. You may find that one of the blades has better suction power than the other, which will make it less likely to create streaks.

This electric window vacuum will clean off condensation, as well as dry off windows, although you may also need to have a cloth to hand as well. The best window vacs you can buy in 2023 1. Karcher Window Vac WV5: Best all-round window vacuum cleaner There are both positives and negatives to its overall design, but in terms of performance it works very well and is capable of producing a streak-free shine on glass surfaces, which is ultimately the main aim when using these vacuums. For this reason, I’ve chosen it as the best window vacuum overall. These fun tools work by hoovering up liquid and removing all the dirt from the windows, leaving a glistening, streak-free finish. Most cordless window vacuum cleaners are powered by rechargeable lithium-ion batteries. In general, these give an average run time of around 35 minutes.

The best window vacs you can buy in 2023

Due to the inclusion of two blades, the reasonable battery life, ability to replace the battery, and the secure handle, this is one of the best cordless window vacuums in terms of versatility. The WV5’s blades are slightly larger than those of the Bosch GlassVAC, so it may not be as good for cleaning smaller windows, but otherwise it seems a comfortable and effective tool for both removing condensation and cleaning. It can take a bit of trial and error to work out how to most effectively use a window vacuum. Whilst all styles are a little different, there are some common steps to follow across the board. Once you get the hang of the cleaning process, it’ll be easier to produce a streak-free finish on windows and mirrors.

If the battery is integrated into the machine it will be charged via a micro-USB cable or mains adapter. Once the battery comes to the end of its life, you will have to buy a new window vac.Tip: If you can hear a squeaking noise as you vacuum the surface, the surface isn’t wet enough. This can lead to streaks. You shouldn’t hear any squeaking when using the window vac. Extra Cleaning Tips It’s the best window vacuum if you’re after value for money. It has all the basic functions without any additional mod cons. The window vacuum comes with one 28 cm cleaning blade, an ergonomic handle with easy-reach power button, and a 60 ml water tank. Suction power is excellent and you get oodles of extras in the box, including a smaller head and microfibre attachment. However, what pushes the Bosch behind the Karcher and Vileda in our list is its failure, reported by some users, to clean quite as well to the very edges of your windows. Overall, this window vacuum is a good choice if you’re after a basic, value-for-money model. It’s capable of cleaning up condensation, and can be used for window cleaning too. However, it may leave a few streaks that need to be buffed out with a cloth. In terms of general performance, one charge will last for approximately 35 minutes, which is generally enough time to clean all of the inside windows of a standard house. This window vacuum also seems to approach the windows with relative vigour; it’s powerful enough for the 100 ml water tank to visibly contain liquid after cleaning one pane of condensation.