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    The Narwal Flow robovac boasts world-class cleaning performance – which makes its software bugs even more frustrating

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    Narwal Flow: two-minute review

    The Narwal Flow is a high-end, self-emptying hybrid robotic vacuum with an especially unusual and impressive mopping system. I’ve been testing one out for the past fortnight, and the performance is such a mixed bag that coming to a definitive conclusion is tricky. On one hand, its mopping is among the best of any robovac I’ve tested. The mop pad is mounted on a wide roller, which extends outwards to reach into corners, and uses hot water to clean both your floor and itself. The system works remarkably well.

    The Flow’s vacuuming abilities are also strong, and it performed very well in TechSwitch’s standardized tests. It’s not only very powerful (up to 22,000 Pa of suction), but cleverly adjusts the speed of its rotating side brushes to prevent dry debris from being flung across hard floors. It also performed very well at in my obstacle avoidance tests. There don’t seem to have been any negative results of installing the LiDAR module in the back of the bot instead of in a raised puck on top. The benefit is that the overall profile is relatively shallow, which means the bot can clean beneath low furniture.

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