Automatic emptying

Narwal Freo S (robot vacuum cleaner Mopping robot with LiDAR navigation): our review

Brand: NarwalOur methodology

Overall scoreiRatings calculated by comparing verified specifications in our catalogue. No hands-on assessment. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
8/10
Documentation: partialNot confirmed by a verified source: Max coverage, Battery life.
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Scale from 6.5 to 9.6, the actual range of our ratings. The dotted line shows the average for analysed models. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
Dustbin capacity: 6.9/10: 250 ml, ahead of 9% of the models in the catalogue · n = 43. Average for analysed models: 8/10Charging time: 7.5/10: 5 h, ahead of 17% of the models in the catalogue · n = 29. Average for analysed models: 8/10Suction power: 8.6/10: 8000 Pa, ahead of 63% of the models in the catalogue · n = 40. Average for analysed models: 8.2/10Equipment: 8.8/10: 7 of 21 tracked features documented, ahead of 69% of the models in the catalogue · n = 70. Average for analysed models: 8.3/10Dustbin capacity6.9/10 · avg. 8Charging time7.5/10 · avg. 8Suction power8.6/10 · avg. 8.2Equipment8.8/10 · avg. 8.3
The short version

The Freo S makes its strongest case beside the dock

The Freo S combines automatic emptying with mapped vacuuming and mopping. Its suction specification gives carpet owners a reason to look closer, without settling the question of cleaning results. We see the clearest appeal in regular upkeep for a household happy to prepare rooms and maintain brushes and mop pads.

Verdict

8/10

Our view of the Freo S starts with the work it can take over

A hallway ready for bare feet is a better evening prospect than another appointment with the vacuum. We like the Freo S for its combination of mapped navigation and automatic emptying. Our overall verdict is positive. Useful help, with chores attached.

Our verdict: We recommend considering it for regular household upkeep when you are comfortable maintaining the mop and brushes. Avoid it if automatic mop care is essential to your purchase; choose a robot with explicitly confirmed washing and drying instead.

One caveat The small robot bin is the main compromise for homes with shedding pets, although automatic emptying helps with that burden. Heavy shedding alone would not make us rule it out.

Review by Romain Brunel, founder of Robot Vacuum Picks

Who it's for

A mapped home gives this robot vacuum cleaner a clear job

  • Households wanting regular vacuuming with automatic emptying
  • Homes needing maps for different floors
  • Owners happy to maintain brushes and mop pads

This robot suits someone who wants the kitchen and sitting room included in a regular cleaning routine, with automatic emptying reducing manual intervention. Multi-floor mapping also makes sense for a house with bedrooms upstairs, provided you are happy to carry the robot. After-school crumbs and ordinary household dust are the sort of recurring chores that make this arrangement appealing.

Less suitable if

It is a less convincing choice if your priority is a station that takes over mop care. Avoid choosing it solely for the suction figure, too: a strong advertised pressure rating cannot tell you how thoroughly a particular carpet will be cleaned.

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Dimensions

Where could this robot vacuum cleaner and its station live?

Dustbin capacity250 mL

Specifications

What the spec sheet says about this robot vacuum cleaner

Dustbin capacity250 mL
Charging time5 h
Suction power8000 Pa
FunctionMopping
FeaturesAuto-empty station
Stationauto-empty station
NavigationLiDAR
Obstacle detection3D
Multi-floor mappingyes
No-go zonesyes
Side brushes1
ConnectivityWi‑Fi 2,4 GHz
Battery typeLi-ion
Battery lifeNot disclosed (unverified)

“unverified”: among the 5 key specifications (Max coverage, Dustbin capacity, Charging time, Battery life, Suction power), a value found online that no verified source (archived retailer page or manufacturer documentation) confirms. Other rows are not subject to this check.

Highlights

Less manual emptying gives the Freo S a useful purpose

  • Auto-empty station reduces manual dustbin emptying
  • Strong advertised suction rating offers potential on carpets
  • LiDAR navigation with multi-floor mapping
  • No-go zones for areas you want left out
  • Mopping function alongside vacuuming

Drawbacks

The chores this robot still leaves with you

  • Small onboard dustbin fills quickly with pet hair
  • Lengthy recharge makes rapid repeat cleaning less convenient
  • Mop pads and brushes still need maintenance

Our scores explained

Every model on the site is scored on the same criteria, using the same scale for all: its rank among models with a verified specification. Last place scores 6.5, first place 9.6, with the rest scored proportionally to their rank. Here's how this model's scores were calculated.

Two model counts: the rank and average include models with a product page scored on this criterion; the calculation compares this model with all catalogue models with a verified specification, whether or not they have a product page. A score assigned at publication may remain without a verified specification, so the first count can be higher.

Dustbin capacity: 6.9/10

Narwal Freo S scores 6.9/10 on this criterion. Across the site's 28 product listings with a score on this criterion, the average is 8: below average, 24 of 28.

View calculation
Common baseline: last place in the ranking6.5
Dustbin capacity: 250 ml ; 4 rank lower, 35 rank higher, 4 are tied (including this model), among the 43 catalogue models with this specification verified+0.4
Dustbin capacity score6.9/10

Calculation: (4 + 4 ÷ 2) ÷ 43 = 13.95% of the ranking; 6.5 + 13.95% × 3.1 = 6.9/10, rounded to one decimal place.

Charging time: 7.5/10

Narwal Freo S scores 7.5/10 on this criterion. Across the site's 19 product listings with a score on this criterion, the average is 8: below average, 11 of 19.

View calculation
Common baseline: last place in the ranking6.5
Charging time: 5 h ; 5 rank lower, 16 rank higher, 8 are tied (including this model), among the 29 catalogue models with this specification verified+1
Charging time score7.5/10

Calculation: (5 + 8 ÷ 2) ÷ 29 = 31.03% of the ranking; 6.5 + 31.03% × 3.1 = 7.5/10, rounded to one decimal place.

Suction power: 8.6/10

Narwal Freo S scores 8.6/10 on this criterion. Across the site's 34 product listings with a score on this criterion, the average is 8.2: above average, 13 of 34.

View calculation
Common baseline: last place in the ranking6.5
Suction power: 8 000 Pa ; 25 rank lower, 12 rank higher, 3 are tied (including this model), among the 40 catalogue models with this specification verified+2.1
Suction power score8.6/10

Calculation: (25 + 3 ÷ 2) ÷ 40 = 66.25% of the ranking; 6.5 + 66.25% × 3.1 = 8.6/10, rounded to one decimal place.

Equipment: 8.8/10

Narwal Freo S scores 8.8/10 on this criterion. Across the site's 46 product listings with a score on this criterion, the average is 8.3: above average, 14 of 46.

View calculation
Common baseline: last place in the ranking6.5
7 features identified out of 21 tracked: 48 rank lower, 15 rank higher, 7 are tied (including this model), among the 70 catalogue models with this specification verified+2.3
Equipment score8.8/10

Calculation: (48 + 7 ÷ 2) ÷ 70 = 73.57% of the ranking; 6.5 + 73.57% × 3.1 = 8.8/10, rounded to one decimal place.

Features identified: Function (Mopping), Features (Auto-empty station), Station (auto-empty station), Obstacle detection (3D), Multi-floor mapping, No-go zones, Connectivity (Wi‑Fi 2,4 GHz).

The retailer does not specify: Mop lifting, Main brush, Recharge and resume, Voice assistants. These features are not counted.

The retailer does not specify “Max coverage”: this criterion earns no points and is excluded from the overall score.

The value for “Battery life” listed in the specifications (Not disclosed) is not confirmed by any verified source: this criterion is not scored and is excluded from the overall score.

Overall score: 8/10, the average of the 4 scores above.

Our full methodology

Detailed analysis

The school bags are by the door, crumbs have escaped from an afternoon snack, and vacuuming is still on your evening list. The Narwal Freo S offers automatic emptying, LiDAR navigation and mopping to help with that familiar accumulation. The attraction is straightforward: give routine floor care a regular place in the day, while keeping realistic expectations about carpet cleaning and the maintenance left for you.

The Freo S robot vacuum cleaner brings 8000 Pa to carpet cleaning

The biscuit crumbs beneath the dining table are fairly obvious. Dog hair tucked into the living room rug is a more stubborn reason to want help. With advertised suction of 8000 Pa, the Freo S sits among the stronger suction ratings, giving carpet owners a reason to consider it. That figure is a promising starting point, rather than a promise of clean carpet. Manufacturers measure suction differently, so pressure alone cannot settle how thoroughly a robot will collect embedded fluff.

We like the emphasis on vacuuming alongside the mopping function. A home with kitchen tiles and carpet elsewhere needs more than a damp floor attachment. Would you mainly want help with visible crumbs, or the hair that seems to become part of the rug? The specifications make this robot worth considering for that regular vacuuming job, though its cleaning results remain unverified.

A 250 mL dustbin gives the Freo S robot vacuum cleaner a reason for its dock

An auto-empty station gives the Narwal Freo S a practical attraction: emptying the robot becomes part of the docking routine. The onboard dustbin holds 250 mL, a small container that can fill quickly when pet hair accumulates. The station matters because the robot itself has little room for collected dirt. Its container and the station's receptacle are separate; the robot does not gain a larger onboard bin simply by having a dock.

For someone hoping to get home from work without immediately reaching for the vacuum, automatic emptying is an appealing part of the arrangement. It also softens the drawback of that limited capacity, although it cannot make the onboard container larger. Maintenance remains part of ownership: brushes need attention, and a mop needs care. Dust gets a destination; household chores have yet to hand in their notice.

With 5 h to recharge, this robot suits a daily appointment

A charging time of 5 h means a substantial pause at the dock. Think of a daily cleaning appointment, with time afterwards to replenish the battery, rather than repeated departures whenever the hallway looks dusty. That is a manageable rhythm if you want help keeping ordinary mess from accumulating through the working week. It is less convenient if your household regularly needs another full cleaning session soon after the previous run.

Charging time tells you about the wait, not the amount of floor cleaned. We would not turn it into a promise about covering a house or flat. Our overall judgement is favourable: automatic emptying and mapped navigation give this model a useful role in regular household upkeep. A Saturday morning with less vacuuming is an attractive prospect; waiting for the battery while guests are already on their way is a less useful arrangement.

Upstairs bedrooms give the Freo S multi-floor maps a useful job

LiDAR navigation, multi-floor mapping and no-go zones give this robot useful tools for organising a home. Maps for different floors are particularly relevant if bedrooms are upstairs and most daily crumbs land downstairs. The robot still needs carrying between storeys. Mapping supports the arrangement; it does not remove the lifting. No-go zones can mark out an area you want excluded, such as the floor occupied by a half-built train set.

Obstacle detection is specified as 3D, an extra navigation feature rather than permission to leave every room untidy. Manufacturers advise picking up socks, charging cables and small objects before a cleaning run. The robot can have a job without inheriting the entire family's tidying responsibilities. Prepare the route before handing over the floor. That small habit makes more sense than expecting a navigation specification to resolve everything scattered between the sofa and the kitchen.

Our Narwal Freo S review favours regular floor care

The strongest reason to choose this model is the combination of automatic emptying, mapped navigation and a mopping function. For wooden flooring in the sitting room and tiles in the kitchen, vacuuming and a damp mop offer help with routine dust and floor care. A damp pass is not a substitute for scrubbing stubborn marks by hand. For unfinished, waxed or poorly sealed wooden flooring, manufacturers advise checking that the surface tolerates moisture before using a mop.

Would cleaning the kitchen floor while you get dinner ready make a useful difference? This package makes sense for that routine upkeep. If your priority is handing over dirty-pad care, automatic mop washing and drying are not confirmed; look for those functions explicitly before choosing. Connectivity is Wi‑Fi 2,4 GHz, so check that your home router supports that connection. Before ordering, ask the retailer about the dock's footprint, replacement bags, pads and brushes, warranty, returns, after-sales support and any app subscription. Leave room to reach the station comfortably for maintenance, too.

Romain Brunel

Analysis by Romain Brunel

Founder of Robot Vacuum Picks

We analyse robot vacuum documentation, technical specifications and buyer reviews. We explain navigation, vacuuming and mopping features while making the limitations of the available information clear.

Updated on 20 October 2026

Frequently asked questions

Your Freo S questions on mop care, upstairs maps and carpet cleaning

Does the Freo S station take care of the mop?

Its confirmed role is automatic dust emptying. For buying purposes, plan to look after the mop pad yourself. A mopping function means damp floor care is available; it does not turn the station into a complete maintenance service.

Can the Freo S remember different floors?

Yes, multi-floor mapping is confirmed, alongside LiDAR navigation and no-go zones. That supports organising cleaning across different storeys, but you still need to carry the robot between them. Remembering a floor and physically reaching it are separate jobs.

Will its suction guarantee a clean carpet?

No. The advertised 8000 Pa places it among the stronger suction ratings and offers potential for carpet cleaning. Manufacturers measure pressure differently, and the figure cannot establish how much embedded hair or dirt the robot will actually collect.

What maintenance should I expect after buying?

Automatic emptying reduces a recurring task, but the robot still needs care. Plan to remove accumulated hair from brushes, look after the mop pad and attend to the station's dust collection. Replacement consumables belong in your buying decision alongside the robot itself.

At a glance

Narwal Freo S

8/10Overall score

Highlights

  • Auto-empty station reduces manual dustbin emptying
  • Strong advertised suction rating offers potential on carpets
  • LiDAR navigation with multi-floor mapping
  • No-go zones for areas you want left out

What to know before buying

  • Small onboard dustbin fills quickly with pet hair
  • Lengthy recharge makes rapid repeat cleaning less convenient
  • Mop pads and brushes still need maintenance
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