Most importantly, it does a great job of removing liquid from windows without leaving smears. The flexible head is surprisingly useful for cleaning difficult locations, and it’s built to a high-standard, so should last a long time. Kärcher is known for its powerful suction, and the is no exception, ensuring spotless and streak-free windows after every use.

The Beldray BEL0749 offers a 30-minute runtime, providing ample time for most window cleaning tasks. Of course, you also need to follow the basic rules of window cleaning, regardless of whether you’re doing it manually or with a window vac. These include cleaning on a cloudy day and ensuring all windowsills are clean first. 5 Best Window Vacs The edge guidance function is another useful feature. This allows you to adjust the edge manually, so the machine cleans right up to the edge of windows. Suction power: Look for models with strong suction to ensure efficient cleaning and no leftover water. The Bosch GlassVAC is one of the most interesting window vacuums on the market. Unlike other models, which have a simple cleaning blade, the Bosch uses the same wiper technology found in the automotive industry for a streak-free clean. It also providesa 30-minute run-time and stylish design.This is an optional extra for some of the above window vacuums if it doesn’t come with it as standard. Another great factor is the clear battery life indicator. I have problems with this on thecordless Shark vacuum I tested. I was never looking directly at the charge indicator so it normally takes me by surprise when the battery runs out. Not so with the Bosch. A clear charge level so it won’t let you down when you need it. Weight and Size: The Bosch GlassVac is lightweight and compact, ensuring easy handling and manoeuvring when cleaning windows, mirrors, and other surfaces. Removable water tank – While all window cleaner vacs come with a water tank, not all of them come with one that is removable. A removable tank allows for much easier cleaning after the job is done. Some tanks are even dishwasher safe so cleanup after window washing is an absolute breeze.

They don’t actually clean your windows – you still have to do that beforehand – but they get rid of all of the after-product of the cleaning. This is important, as you don’t want the moisture to turn into mould. This is the classic use and the most useful, you can clean your windows with a sponge or however else you want and then run over them with the vacuum and they’ll be sparkling clean and free from streaks! What To Look For When Buying the Best Window Vac A variety of tanks are present in different window cleaners. You can fill these tanks with water to spray on the required cleaning places. Once the water gets dirty, you can easily remove this tank. Refilling the tank is the best feature effective in cleaning, which provides clean water to clear all the surfaces. So a detachable tank is a unique feature to meet the cleaning demands. Suction power If you’re looking for the best window vac with a long battery life, then the Karcher WV 6 Plus N is an option to consider. It’s a rechargeable cordless model that provides convenient streak-free cleaning and a long 100-minute run-time from a single battery charge. The WV6 also includes Karcher’s edge guidance system and a larger 150ml dirty water container. While window vacs are compact in size compared to some other household cleaning tools, keep in mind that you’ll be holding it up, one-handed, for up to 30 minutes. Also remember that the water tank, as it fills, will add to the overall weight.

Best window vacs at a glance:

Firstly, I've never used a window vac of any kind before, so have nothing to compare this product to, and I didn't particularly buy this for window cleaning, and haven't used it for that yet. You don’t necessarily need any accessories but depending on the job at hand they can make life a lot easier.

Karcher window vacuum is an innovative model for cleaning windows. It is very simple to deal with it. You can clean the window within a short time. It has a very powerful suction which assists in good cleaning. You can save time and clean your home easily. It is not time-consuming. Battery Life: The Leifheit Window Vacuum Cleaner Nemo boasts a 45-minute runtime, offering plenty of time for thorough window cleaning before needing a recharge.The Tower RWV20 boasts a 30-minute runtime, giving you plenty of time to get those windows sparkling. Its cordless design offers freedom and flexibility, so you won't be restricted by pesky wires. The 150ml water tank capacity ensures that you won't have to keep stopping to empty it out, which is quite the time-save.