New
KärcherNewWindow-cleaning robot
Kärcher RCW 4
Kärcher RCW 4 is a window-cleaning robot released in February 2026. Key specs: suction power 5,000 Pa, noise level 62 dB.
8.0Score
Cleaning power6.5
Mopping8.8
Battery6.6
price rangeUS$205–255Reference price converted from EUR
- Released
- February 2026
- Brand
Kärcher- Popularity
- #156 of 760
5,000 PaSuction power
62 dBNoise level
Spec guide
How it ranks among window-cleaning robots of 2026
Compared with window-cleaning robots released in 2026. Bars show the share of models it beats.
compared with other window-cleaning robots
Why is RCW 4 a good choice?
Noise level: 62 dBbetter than 88% of window-cleaning robots
Specifications
Full specifications
Suction & cleaning
- Suction power
- 5,000 Pa
- Noise level
- 62 dB
Mopping
- Water tank (robot)
- 150 ml
Size & weight
- Width / diameter
- 264 mm
- Length
- 256 mm
- Weight
- 1.5 kg
- Colours
- White, Black, Yellow
App & smart home
- Remote control
- Yes
Window cleaning
- Water spray
- Yes
- Backup battery (power cut)
- Yes
- Safety rope
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
