Narwal Freo 20
Narwal’s cheaper FlowWash robot, with top-tier carpet cleaning and enough range for very large homes. A strong pick for big homes with hard floors to mop.
Amazon $1,099.99$1,099.99
The Narwal Freo 20 is the better robot vacuum overall, rated 4.2 to 3.8. The Narwal Freo 20 leads on value and cleaning. The Roborock Saros 20 Flow wins on mopping. The Narwal Freo 20 costs $600 less ($1,099.99 vs $1,699.99).
Roborock Saros 20 Flow
For homes with lots of hard floor that want a roller mop with flagship suction and threshold climbing.
Amazon $1,699.99$1,699.99
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Narwal Freo 20 for value ($1,100 vs $1,700) and cleaning (measured 93% of sand from carpet, 87.5% of pet hair, no hair tangled vs measured 89% of sand from carpet, 76.2% of pet hair, no hair tangled).
- Choose the Roborock Saros 20 Flow for mopping (Roller, lifts 15 mm, extends to edges vs Roller, extends to edges).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Narwal Freo 20 | Roborock Saros 20 Flow |
|---|---|---|
| Overall rating | 4.2/5 | 3.8/5 |
| Cleaning 30% | 89 measured 93% of sand from carpet, 87.5% of pet hair, no hair tangled | 74 measured 89% of sand from carpet, 76.2% of pet hair, no hair tangled |
| Value 25% | 30 $1,100 | 3 $1,700 |
| Dock 20% | 94 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 90 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent |
| Navigation 15% | 100 LiDAR + camera | 100 LiDAR + camera |
| Mopping 10% | 85 Roller, extends to edges | 95 Roller, lifts 15 mm, extends to edges |
Independent tests
Narwal Freo 20
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 93% | 87.5% | 0 | 2,489 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Roborock Saros 20 Flow
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 89% | 76.2% | 0 | 1,421 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Narwal Freo 20 | Roborock Saros 20 Flow | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 31,000 Pa | 36,000 Pa |
| Main brush | Floating roller brush (DualFlow tangle-free system) | dual anti-tangle brush system |
| Dustbin | - | 245 mL |
| Extending side brush | No | No |
| Mopping | ||
| Mop | Roller, extends to edges | Roller, lifts 15 mm, extends to edges |
| Mop lift | - | 15 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | - | 67 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 2.4 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | No | Yes |
| Water hookup option | - | No |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR + camera |
| Obstacle avoidance | Dual RGB cameras with AI, recognises 300+ objects; structured-light edge sensors | Reactive AI with RGB recognition, 300+ object types |
| Climbs thresholds | 40 mm | 88 mm |
| Matter | - | Yes |
| Build | ||
| Height | 3.7 in (95 mm) | 3.5 in (89.8 mm) |
| Retracting LiDAR | - | Yes |
| Battery | 5,900 mAh | 6,400 mAh |
| Run time | - | Up to 5 h 1 min |
| Weight | - | 11.5 lb (5.2 kg) |
| Warranty | 1 year | 1 year |
| Released | 2026-08 | 2026-09 |