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What Does the Narwal Flow 2’s 120-Day Dust Bag Rating Actually Cover?

Analysis Robovations Editorial

69 pieces4 categoriessince 2025

Latest pieceinAnalysis

What Does the Narwal Flow 2’s 120-Day Dust Bag Rating Actually Cover?

Narwal's headline maintenance number belongs to one consumable, the sealed dust bag, not to the machine as a whole. The record's own cost math puts the filter, side…

8 min readRead this piece

69 pieces
AnalysisJul 2, 2026

Do robot vacuums really handle pet hair? The brush-tangle problem explained

Not without regular manual intervention. Level III vacuums map, plan, and dock fully on clear floors, but pet…

11 min read
AnalysisJul 1, 2026

Are companion robots actually autonomous? What they can and can’t do

No, not in the task-completion sense the Autonomy Ladder measures, so they classify low at Level I to…

8 min read
AnalysisJun 29, 2026

Do robot pool cleaners clean walls and the waterline, or just the floor?

It depends on autonomy level. Level II units mostly clean floors, with random paths leaving wall coverage patchy….

8 min read
Jun 22, 2026

Companion robots and the autonomy classification problem when the task is interaction

Four companion and home-presence robots sit at Level I and Level II on the Robovations Autonomy Ladder, but…

6 min read
FrameworkJun 21, 2026

Do robot vacuums really avoid obstacles? What the claim actually means

Partly. The claim usually covers only detection, the cheapest of four steps: detection, classification, avoidance, and recovery. Most…

4 min read
Deep DiveJun 18, 2026

Do robot vacuums process data on-device or in the cloud?

Both. In 2026 it is a split system: fast reflexes like real-time obstacle detection run on-device for low…

2 min read
AnalysisJun 14, 2026

Can a firmware update remove features from the robot you bought?

Yes. Because connected robots are revised over the network after purchase, an update can move an included feature…

3 min read
Jun 12, 2026

Robot mower slope limits and the edge of the operating design domain

Most robot mowers carry a published incline rating, but that number describes a hardware ceiling, not the ceiling…

6 min read
AnalysisJun 12, 2026

Do small yards need an RTK-GPS robot mower, or is it overkill?

Overkill for small yards. On properties under roughly 1,500 square feet, RTK-GPS setup overhead scales with install conditions,…

9 min read
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