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Alternatives to Kärcher RCW 4

10 window-cleaning robots at a similar price that compete with the RCW 4 — what each does better, what it gives up and how the price compares.

Kärcher RCW 4
Kärcher · 2026
RCW 4
5,000 Pa
approx. price≈ US$230
8.0

Alternatives to the RCW 4

Mova N1
2
Mova · 2026N1
7.8
9% cheaper ≈ US$210
  • Suction power 8,000 Pa vs 5,000 Pa
  • Water tank (robot) 120 ml vs 150 ml
  • Noise level 72 dB vs 62 dB
Hutt A1
5
Hutt · 2025A1
9.6
4% cheaper ≈ US$220
  • Suction power 6,000 Pa vs 5,000 Pa
Hobot SP10 iScraper
6
Hobot · 2026SP10 iScraper
8.8
70% pricier ≈ US$390
  • Suction power 6,000 Pa vs 5,000 Pa
  • Water tank (robot) 120 ml vs 150 ml
Kärcher RCW 2
10
Kärcher · 2026RCW 2
7.0
26% cheaper ≈ US$170
  • Water tank (robot) 70 ml vs 150 ml
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