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Alternatives to Lazurec A9 Pro

10 window-cleaning robots at a similar price that compete with the A9 Pro — what each does better, what it gives up and how the price compares.

Alternatives to the A9 Pro

Sichler PR-330
2
Sichler · 2025PR-330
4.2
15% cheaper ≈ US$230
  • Suction power 2,800 Pa vs 2,500 Pa
  • Noise level 63 dB vs 70 dB
  • Water tank (robot) 50 ml vs 60 ml
Hobot S7 Pro
6
Hobot · 2025S7 Pro
5.8
26% pricier ≈ US$340
  • Suction power 4,800 Pa vs 2,500 Pa
  • Noise level 64 dB vs 70 dB
  • Water tank (robot) 26 ml vs 60 ml
Kärcher RCW 4 Extra
7
Kärcher · 2026RCW 4 Extra
7.5
11% cheaper ≈ US$240
  • Suction power 5,000 Pa vs 2,500 Pa
  • Water tank (robot) 150 ml vs 60 ml
  • Noise level 77 dB vs 70 dB
Kärcher RCW 4
10
Kärcher · 2026RCW 4
8.0
15% cheaper ≈ US$230
  • Suction power 5,000 Pa vs 2,500 Pa
  • Water tank (robot) 150 ml vs 60 ml
  • Noise level 62 dB vs 70 dB
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