Weight and capacity: A kilo may not feel like much at first, but after half an hour of holding the unit at arm’s length it will start to hurt – especially when it fills up with 300ml or so of dirty water. The bigger the tank, the more cleaning you can do without having to stop and empty it, but the heavier it will get. So, tank size is less important than leak-proofing and easy emptying. What extra features and accessories are worth having?

Karcher's cordless vacuum cleaners range from the medium to the higher price range - depending on which model you choose. The Vac comes with a 280mm suction nozzle designed to let you get right into the corners and edges of every window. A smaller nozzle is also available as an accessory, ensuring every cleaning task is covered. Interchangeable suction heads: Most window vacs come with a 280mm suction head as standard, but many include an additional smaller head for fiddly jobs such as leaded windows and front door panels. Pivoting suction heads can also help to get into awkward spots. They are now launching hoover models on the market that are supplied with a second battery as standard.Extendable pole: A few models on our list come with, or are compatible with, telescopic or multi-section poles to help you reach high windows and skylights without wobbling up a ladder. On the downside, a pole can make the vac hard to control, especially if it’s heavy.

The Kärcher product range is very large. From power tools to irrigation systems, various wet and dry vacuum cleaners and steam cleaners, you can find it all.

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It must also be said that Krcher is a well-known and popular brand in Germany that can afford to charge somewhat higher prices for its devices. Karcher cordless vacuum cleaners are also good value for money. Their solid performance at affordable prices means you can keep a cleaner home without breaking the bank. The hard floor cleaner is an interesting product and can definitely replace normal manual mopping. Due to the high price, however, it’s worth weighing up the other options out there to make sure it’s the right choice for you.

This is particularly handy if you live in a flat with thin walls. Limited suction power at lowest level For best results, use with Karcher cleaning agents. These are eco-friendly and bio-degradable and cut powerfully through grease, dirt, insects and the drips and streaks left by water without damaging the surface. A favourite among fans of cordless vacuums in the UK, Shark now ups its game with the Stratos range. Read on to find out what makes these models so special! 👇 Outstanding cleaning performance The VC 5 can be reduced to knee height thanks to the collapsible wand. This means that its range of use is really versatile, and you can store it in even the smallest corners. This also makes it the perfect Kärcher cordless hoover for cars. Particularly quiet Not many vacuums can achieve this, which makes the Shark Stratos a real hot tip. 🔐 DuoClean Anti Hair Wrap Plus floorhead - perfect for all floor typesLED charge indicator: Useful for revealing how much longer the battery will last before it needs a recharge. Actually, the VC 6 performs quite well on carpeted floors. At least as far as the coarse dirt particles are concerned. About 98.5% of these can be removed from the carpet in normal mode. Although some other manufacturers have already realised the need for this, it is unfortunately still not standard.

When fully charged, the battery life of the WV2 is 35 minutes, enough window cleaning time for the average family home. An LED display lets you know when it's time to recharge the batteries. A full battery recharge from empty takes up to minutes depending on the model.

In 1950, Alfred Kärcher invented the first European hot-water high-pressure cleaner. With this, he laid the foundation for the company to become one of the world leaders in the field of cleaning. This way you only have to interrupt your workflow for a few moments and can then contine to clean even larger areas. A well-known issue with cordless handheld vacuum cleaners is the short battery life. With the Kärcher VC 5 Cordless Premium, however, there’s no reason to complain. Throughout our various tests, the VC 6 scored points for its excellent cleaning performance. Another highlight is that it delivers its solid performance no matter which floor type. 2-in-1 upholstery attachment has difficulties with pet hair Cleaning extras: Many window vacs come with cleaning bottles, microfibre pads and even their own branded cleaning spray. While useful, these extras are unlikely to perform any better than the stuff you already have in your cleaning cupboard.