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Narwal S20 Pro vs Roborock Dyad Air

Two of the wet-dry vacuum mops (floor washers) in our best wet-dry vacuum mops: roborock f25 vs dreame h15 vs narwal s30 comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#10 of 11 in Wet-Dry Vacuum Mops (Floor Washers)

Narwal S20 Pro

3.4/10

Best for: A 9.4 lb Narwal with a 790 ml tank

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#11 of 11 in Wet-Dry Vacuum Mops (Floor Washers)

Roborock Dyad Air

2.6/10

Best for: A 10 lb upright with a 900 ml tank

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecNarwal S20 ProRoborock Dyad AirWeight
Max suctionMaker's suction figure. It matters most for dry debris mixed into wet spills. 20000 Pa 17000 Pa 30%
Maximum runtimeLongest runtime the maker quotes, usually in a quiet or auto mode. Not listed Not listed 20%
Lies flat for low reachYes when the maker says the vacuum lies flat (around 180°) to clean under beds and toe kicks. No No 15%
Hot-water or steam floor cleaningYes when the vacuum heats water or makes steam while cleaning the floor, not just during self-cleaning. No No 15%
Clean-water tankA bigger tank means fewer refills per session. 790 ml 900 ml 10%
Listed weightThese are heavy because they carry water. Lighter is easier to steer. 9.41 lb 10 lb 10%
Suction20,000 Pa17,000 Painfo
Clean / waste tank790 ml / 670 mlNot listedinfo
Weight9.41 lb10 lbinfo
Battery4,000 mAh4,000 mAhinfo
Charge time≤ 3.5 hNot listedinfo
Water resistanceIPX2Not listedinfo
Warranty1 year (Narwal US store page)Not listedinfo
Clean / dirty tankNot listed900 ml / 770 mlinfo
BrushNot listedRevoBrush self-cleaning and dryinginfo
SweepPick score3.4/102.6/10100%

Where each one comes out ahead

Narwal S20 Pro

Better published figure on: Max suction, Listed weight.

What we like

  • Light
  • Good tank size

Watch out for

  • Runtime not stated
  • Lay-flat not listed

Roborock Dyad Air

Better published figure on: Clean-water tank.

What we like

  • Light
  • Large tank

Watch out for

  • Lay-flat not listed

Verdict

Narwal has 3,000 Pa more and is 0.59 lb lighter; Roborock has a 110 ml bigger tank.

Narwal S20 Pro on AmazonRoborock Dyad Air on Amazon
Spec sources

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