Review: Kärcher Window Vac – Clean Your Windows With Tech!

We are always on the lookout here at TotG to integrate our everyday life with technology, and a tech-based window cleaner is about as integrated as you can get!

The Kärcher Window Vac consists of a an electronic window ‘hoover’ and a supply of window cleaning solution in a squirty type bottle with a soft cloth attachment making applying the cleaner and cleaning the window a convenient one handed operation.

Kärcher Window Vac - display

Then there is the main unit itself, decked in the typical bright Kärcher yellow, its a rechargeable vacuum/suction device, which sucks water from the window and stores it in a waste container for emptying later.

I’m not big on window cleaning, but the sheer fun of using this had me cleaning the windows and even our shower cubicle! Start by spraying on the cleaning solution, and then use the micro-fibre cloth head to wipe all over the window, removing grease and dirt.

Once the area is cleaned, take the main vacuum container and using steady movement move the rubber blade down the surface of the window, while activating the suction. The blade will wipe clean the glass and the suction will draw in all the dirty surface water, storing it internally and leaving the glass clean, dry and streak-free!

Kärcher Window Vac - cleaning blade

The rubberised blade is 280mm wide, a pretty good width I found, meaning each of our windows needed about 3 passes – but wider windows will obviously need more goes. The waste water compartment holds 100ml which is plenty, you’re not taking in huge amounts of water. If you’re going to do every window in your house, it should handle them all in one session, unless you have a large house of course! The container pops easily off for emptying down the sink when full.

The battery runtime is quoted at 20 minutes, but I found mine lasted quite a bit longer on a full charge, around 30 minutes, which in practice meant 2 full cleans of the windows off one charge.

There are a number of accessories available, including replacement microfibre cloth heads, cleaning solution (although you can always just use regular window cleaner), and an extension pole for cleaning high up windows.

The only thing missing is the Vac Hip Bag accessory, allowing you to wander around with your Kärcher stored at your side like a western gun-slinger. OK, maybe that’s taking it a bit too far..

Overall the Kärcher Windows Vac is a pretty great device, it’s not cheap with an RRP of £59.99 or £starting at £79.99 for one of the kits, but if you regularly clean your windows, this will make the process much quicker and satisfying as you’re left with fantastic looking windows!


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