That’s exactly what I thought – until I tried the product that stars in this Kärcher Window Vac WV 6 Premium review. Kärcher made the original window vac, and it has now made, in my opinion ...

We've put bestselling window vacuums from Karcher, Beldray, Titan, Tower, Bosch, Amazon and Salter to the test – to find out which is the best window vac overall, and whether it's worth paying more ...