WV 1 Plus *KNA

Cleans windows and other smooth surfaces three times quicker than traditional methods, without drips or streaks! The successor to our original WV 50 Window Vac.

Compared to cleaning windows with power towels or regular squeegees, cleaning with the WV 1 Window Vac from Kärcher is three times quicker and requires much less effort. The water and cleaning solution is suctioned away from the window – without leaving dirty drops or streaks behind. Thanks to its convenient rechargeable battery operation and compact design, the WV 1 guarantees maximum flexibility in cleaning all smooth household surfaces, not just windows. Forget wasted paper towels, streaks, drips and all the hassles of traditional window cleaning – with the WV1 you'll clean like a pro and 3X quicker! WARNING: This product can expose you to chemicals including lead and Diisononyl phthalate, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Features and benefits
Window Vac WV 1 Plus *KNA: Light weight
Light weight
Sits comfortably and easily in your hand without creating fatigue.
Window Vac WV 1 Plus *KNA: Compact and user-friendly
Compact and user-friendly
The small device now makes cleaning smooth surfaces even easier. Quickly clean windows from top to bottom with the Kärcher battery powered Window Vac.
Window Vac WV 1 Plus *KNA: LED display
LED display
An LED display is integrated into the on/off switch to let you know when the battery needs to be recharged.
Not just for windows
  • The Window Vac can be used on all smooth surfaces such as tiles, mirrors and shower areas.
3X quicker
  • Window cleaning is three times faster with the Window Vac than with traditional cleaning methods.
No drips. No streaks.
  • The Window Vac delivers sparkling clean windows without streaks and prevents dripping on the floor or window sill.
Easy to empty
  • The onboard tank is simple to empty and you never come into contact with the dirty water.
The original
  • Kärcher invented the Window Vac and continues to deliver the highest level of innovation in window cleaning.

Technical data

Battery running time (min) 25
Battery charging time (min) 150
Battery type Lithium ion battery
Cleaning performance per battery charge Approx. 590 ft² = 18 windows
Power supply (V/Hz) 120 / 60
Weight without accessories (lb) 1.1
Weight incl. packaging (lb) 3.1
Dimensions (L x W x H) (in) 5.1 x 9.8 x 10.8


  • Charger
  • Spray bottle Standard with microfibre wiping cloth
  • Window cleaner concentrate (1 x 500 ml)
Window Vac WV 1 Plus *KNA
Cleaning application
  • All smooth surfaces
  • Windows and sliding doors
  • Mirrors
  • Flat tiles
  • Glass tables and countertops
  • Shower areas