Compare Narwal S20 Pro Cordless Vacuum Mop with Self-Cleaning vs Tineco Floor ONE Switch S7 Wet Dry Vacuum Cleaner

P1 Narwal S20 Pro Cordless Vacuum Mop with Self-Cleaning
P2 Tineco Floor ONE Switch S7 Wet Dry Vacuum Cleaner

Comparison Takeaways

Narwal S20 Pro Cordless Vacuum Mop with Self-Cleaning

Where It Has the Edge

  • Bin and Bag is 4.5 vs 2.8. Reviews praise the dirty tank design for separating solids from liquids and keeping disposal relatively tidy, helped by...
  • Weight is 4.7 vs 3.4. Many reviews call out the low weight, commonly around 9 to 9.5 pounds, making it easier to carry...
  • Emptying and Mess Control is 4.5 vs 3.2. Reviewers like the way the dirty tank separates solids, which helps keep emptying neater and reduces splashy cleanup....
  • Odor control is 4.4 vs 3.3. Heated drying and a fully dried roller are credited with minimizing musty odors between uses. At the same...

Tineco Floor ONE Switch S7 Wet Dry Vacuum Cleaner

Where It Has the Edge

  • Streaking / Residue is 4.6 vs 2.8. Most reviewers report low streaking, helped by the clean-water feed and scraper system that keeps the roller from...
  • Floor Drying Time is 4.6 vs 3.8. Floors tend to dry quickly after cleaning, often within minutes, which makes it easier to use for frequent...
  • Versatility is rated 4.6 while the other product has no score yet. Versatility is the core appeal: users like having a floor washer and a stick vacuum in one ecosystem...
  • Pet-Ready Features is rated 4.6 while the other product has no score yet. Pet owners benefit most from the fast wet pickup, strong edge cleaning, and anti-tangle roller designs that reduce...
Average score
Product 1: Narwal S20 Pro Cordless Vacuum...
4.3
Product 2: Tineco Floor ONE Switch S7...
4.1
Accessories and Tools
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Several reviews highlight a well-rounded in-box kit, commonly including a spare roller, spare filter, cleaning brush, and a bottle of Narwal cleaning solution. This reduces immediate add-on purchases and helps with early maintenance.

Product 2: Tineco Floor ONE Switch S7...
4.3

Accessory kits are a value add, commonly including a nozzle/crevice tool, upholstery tool, and additional brush options for above-floor cleaning.

Aesthetic design and finish
Product 1: Narwal S20 Pro Cordless Vacuum...
4.8

Multiple reviewers call the S20 Pro sleek and premium-looking, with a clean gray finish and a modern base station. Fit-and-finish impressions are consistently positive in the video and article reviews.

Product 2: Tineco Floor ONE Switch S7...
No score yet
AI, Smart, App and Automation
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Smart dirt sensing and automatic adjustment are repeatedly mentioned, including blue-light style DirtSense indicators and posture detection features. A missing app connection is noted by at least one reviewer, but many still feel the on-device automation and modes cover most needs.

Product 2: Tineco Floor ONE Switch S7...
4.2

Smart sensing (often described as iLoop-style dirt detection) adjusts suction/water automatically, and the app can enable custom modes, though many users can operate it fine without heavy app use.

Area Rug Handling
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
3.9

Area-rug use is most successful with the stick vacuum; some reviewers also report light rug pickup tests (like rice) going well.

Assembly and Setup
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

Setup is consistently described as quick, typically involving attaching the handle, charging, and filling the clean tank and solution reservoir. Several reviewers note it feels close to pre-assembled out of the box.

Product 2: Tineco Floor ONE Switch S7...
4.4

Setup is usually straightforward, with basic assembly and a clear battery/motor swap process.

Automatic standby switch
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

Auto pause or standby when the unit is stood upright is appreciated for quick interruptions without dripping or running unnecessarily. This feature is treated as a practical convenience during room-to-room cleaning.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Battery and Charging
Product 1: Narwal S20 Pro Cordless Vacuum...
4.2

Battery life is described as competitive for a wet-dry machine, but recharge time is called out as long by some reviewers, with one citing about a 3-hour full recharge. Buyers with very large areas may need to plan around recharge and tank refills.

Product 2: Tineco Floor ONE Switch S7...
3.9

Battery life is typically around ~40–50 minutes for floor washing and ~60–65 minutes for the stick vacuum, with charging often taking several hours and some frustration about sharing one battery between two units.

Bin and Bag
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Reviews praise the dirty tank design for separating solids from liquids and keeping disposal relatively tidy, helped by tight seals and a removable debris basket. Wet debris can still take some manual brushing or scraping to fully remove.

Product 2: Tineco Floor ONE Switch S7...
2.8

The stick-vac dust bin is sometimes described as average-to-small, which is fine for quick jobs but may need frequent emptying for larger tasks.

Build quality and durability
Product 1: Narwal S20 Pro Cordless Vacuum...
3.9

Most impressions point to solid construction and good sealing around the tanks and head, supporting a premium feel. One hands-on reviewer experienced dripping and questioned long-term reliability, suggesting quality control could vary.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Carpet — Low-Pile Pickup
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.2

Low-pile carpet pickup on the stick-vac side is rated solid, including rice and embedded-debris style tests, though it is not positioned as a deep-carpet specialist.

Carpet — Medium-Pile Pickup
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.2

On medium pile, performance is generally good in testing-style reviews, but heavy carpet cleaning is still better served by dedicated carpet-focused vacuums.

Clogging and debris prevention
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Design elements like a lower-positioned water system, one-way flow, and dual-direction brush action are credited with reducing clogs and keeping debris moving into the tank. Reviews also connect this to better handling of hair and chunky food bits without the head jamming.

Product 2: Tineco Floor ONE Switch S7...
4.3

Roller scrapers and fresh-water rinsing help keep the head from gunking up, but debris still ends up in the dirty tank and needs regular cleanout.

Comparative performance
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

In head-to-head and multi-model comparisons, the S20 Pro is often ranked at or near the top for overall package, especially on hard floors and for its drying system. Competitors may beat it on reverse pickup, rugs, or certain niche features, but the Narwal is frequently framed as the most complete option.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Controls and UI
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

The on-handle LCD and voice prompts are widely praised for clarity, showing mode, battery, alerts, and sometimes detergent status or timers. Some note the screen is small, but still informative and easy to follow during cleaning and self-clean cycles.

Product 2: Tineco Floor ONE Switch S7...
4.2

Controls are easy to follow thanks to a color display and voice prompts; mode switching is straightforward and reduces the need to monitor tanks manually.

Cord length
Product 1: Narwal S20 Pro Cordless Vacuum...
4.0

Only one review gives a specific number, citing a 6-foot power cord for the dock, which influences where the base can sit. It is described as usable but not especially long.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Cord management
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Where mentioned, reviewers appreciate dock-side cord routing or a cord holder that keeps the charging base tidy. This helps reduce clutter around the storage station.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Debris illumination
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.4

LED lighting is frequently mentioned as genuinely useful for seeing debris in dark corners and along edges.

Dirty water sensor
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.4

Prompts and sensing around tank levels are helpful, with the unit notifying users when to empty dirty water or refill clean water.

Dried-On Stain Removal
Product 1: Narwal S20 Pro Cordless Vacuum...
4.3

Dried coffee and similar stains are often removed with a pass or two, and reviewers credit scrubbing pressure and a boost mode for tougher spots. Very sticky or thick dried sauces like ketchup may require multiple passes, and some note the dehydrating dry-down can leave color residue that needs manual roller cleaning.

Product 2: Tineco Floor ONE Switch S7...
4.4

Dried-on stain removal is good but not effortless: tough spots like ketchup or thicker spills may take multiple passes, while steam variants improve results.

Ease of use
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

Ease of use is a recurring positive: light weight, clear on-screen prompts, and one-button self-cleaning make daily cleanup straightforward. A few critiques relate to learning how to avoid backward passes and keeping up with tank emptying for best results.

Product 2: Tineco Floor ONE Switch S7...
4.1

Day-to-day usability is strong once you accept the maintenance routine; voice prompts, good pickup, and one-pass cleaning cut overall floor-cleaning time.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Narwal S20 Pro Cordless Vacuum...
4.7

Edge performance is repeatedly called exceptional, with reviewers describing near-zero gaps along baseboards and strong cleaning at the front edge as well. This is one of the most consistently praised differentiators versus competing wet-dry models.

Product 2: Tineco Floor ONE Switch S7...
4.5

Edge performance is frequently praised; several tests note it gets very close to baseboards and corners, leaving minimal residue at the edge.

Emptying and Mess Control
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Reviewers like the way the dirty tank separates solids, which helps keep emptying neater and reduces splashy cleanup. However, wet debris can adhere inside the tank and may need periodic scrubbing for a truly clean reset.

Product 2: Tineco Floor ONE Switch S7...
3.2

Emptying is functional but can be messy because the dirty tank collects liquid plus soggy debris; most users recommend dumping it immediately after each run.

Filtration / Dust Containment
Product 1: Narwal S20 Pro Cordless Vacuum...
3.9

Filtration is generally handled by a washable filter in or near the dirty-water tank; reviewers note it needs rinsing and fully drying before reuse. Some packages include a spare filter, which helps reduce downtime.

Product 2: Tineco Floor ONE Switch S7...
4.2

Filtration and dust containment are described positively, with washable multi-stage filters (often including a HEPA element) capturing fine dust, but requiring ample dry time before reuse.

Floor Drying Time
Product 1: Narwal S20 Pro Cordless Vacuum...
3.8

Floors are often left reasonably dry after a pass, especially compared with older wet mops, and the heated roller drying helps after-use drying. One reviewer still observed dripping and wet roller marks when the unit was set down, so drying outcomes can depend on handling and mess type.

Product 2: Tineco Floor ONE Switch S7...
4.6

Floors tend to dry quickly after cleaning, often within minutes, which makes it easier to use for frequent kitchen or entryway touch-ups.

Floorhead design
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.2

The floorhead design is built around constant fresh-water washing plus scraping, which reviewers link to good pickup and low streaking.

Fresh Liquid Pickup Speed
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Fresh spills and wet messes are commonly cleaned in a single forward pass, including coffee, soda, cereal milk, and yogurt-like messes. Reverse-pass pickup is reported as weaker in at least one test, so best results come from forward cleaning.

Product 2: Tineco Floor ONE Switch S7...
4.6

Wet pickup is fast, with multiple reviewers describing one-pass cleanups for messes like eggs, milk, and cereal chunks.

Hair Pickup — Hard Floors
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Hair pickup on hard floors is consistently positive in demonstrations, and reviewers say hair is carried into the tank rather than staying on the roller. Results are especially strong when paired with the anti-tangle roller design.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Hair‑Wrap / Tangle Resistance
Product 1: Narwal S20 Pro Cordless Vacuum...
4.8

Anti-tangle performance is a consistent highlight, with multiple long-hair tests reporting zero wrap thanks to dual comb and dual rotation design choices. This is repeatedly positioned as a major improvement over wet-dry competitors that require cutting hair off the roller.

Product 2: Tineco Floor ONE Switch S7...
4.2

Tangle resistance is generally strong on main rollers or ZeroTangle/Dual-Block designs, though smaller tools (like a mini brush) can still wrap long hair.

Hard Floor — Fine Dust Pickup
Product 1: Narwal S20 Pro Cordless Vacuum...
4.2

Reviews show strong pickup of fine particles like dust and flour on hard floors in forward passes. Performance can drop when cleaning backward, where some fine debris may be left behind.

Product 2: Tineco Floor ONE Switch S7...
4.3

Fine dust pickup is generally strong on the stick-vac side, with filters collecting visible fine debris after cleaning.

Hard Floor — Large Debris Intake
Product 1: Narwal S20 Pro Cordless Vacuum...
4.3

Large debris like cereal, rice, chips, and pet food is generally handled well, often with minimal scatter when moving forward. Backward passes can be less reliable, with some debris getting pushed or caught behind the wheels.

Product 2: Tineco Floor ONE Switch S7...
4.6

Large debris intake on hard floors is strong for a wet/dry machine, handling cereal, rice, and crumbs without constant pushing.

Headlight and LED lights
Product 1: Narwal S20 Pro Cordless Vacuum...
2.0

A frequent complaint is the lack of built-in headlights, which can make it harder to spot debris in dim rooms or under furniture. Reviewers generally treat this as a convenience miss rather than a deal-breaker.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Innovation compared to competitors
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
2.9

Innovation is viewed as incremental: some reviewers praise practical upgrades like heated drying and lay-flat reach, while others say the lineup still misses features offered by key competitors.

Low-profile design
Product 1: Narwal S20 Pro Cordless Vacuum...
4.8

The low profile when laid flat helps it reach under toe-kicks and furniture, and reviewers repeatedly point to this as a practical advantage. It pairs well with posture detection that helps prevent water leaks when the unit is lowered.

Product 2: Tineco Floor ONE Switch S7...
4.1

Low-profile, lay-flat capability is version-dependent: Stretch-style models are praised for reaching under furniture, while other S7 models are criticized for lacking true lay-flat reach.

Maintenance requirements
Product 1: Narwal S20 Pro Cordless Vacuum...
4.0

Maintenance is generally reduced by the automated wash and heated dry, but users still need to empty the dirty tank and rinse and dry filters regularly. Neglecting post-clean tank care can cause odors, and some wish the self-clean used more water for an even cleaner reset.

Product 2: Tineco Floor ONE Switch S7...
3.6

Maintenance is a regular part of ownership: expect to empty and rinse tanks, clean filters, and ensure the brush roll dries fully after use.

Maneuverability and Handling
Product 1: Narwal S20 Pro Cordless Vacuum...
4.7

Handling is a standout theme: reviewers consistently call the unit light, easy to steer, and comfortable thanks to a pivoting head and low center of gravity. Lay-flat movement and swivel action make it feel less fatiguing than many wet-dry rivals.

Product 2: Tineco Floor ONE Switch S7...
3.9

Handling is generally good on open hard floors, and lay-flat variants improve reach; the main limiter is weight, especially compared with simpler floor washers.

Mopping performance
Product 1: Narwal S20 Pro Cordless Vacuum...
4.3

Most reviews show strong one-pass vacuum-and-mop results on typical spills and tracked-in dirt, with multiple modes to tailor water and suction. Heavy muddy sludge or cleaning while pulling backward can expose weaknesses, including streaking or debris left behind in a few accounts.

Product 2: Tineco Floor ONE Switch S7...
4.6

Across reviews, cleaning performance is a major strength: it vacuums and washes in one pass and handles everyday grime, spills, and tracked-in dirt with minimal effort.

Noise level
Product 1: Narwal S20 Pro Cordless Vacuum...
4.7

Cleaning and especially the drying cycle are often described as unusually quiet for the category, with some reviewers measuring roughly 39 to 43 dB during roller drying. Quiet mode cleaning is also noted as comfortable for home use.

Product 2: Tineco Floor ONE Switch S7...
3.7

Operating noise is acceptable in use, but testing-style reviews note the vacuum can be louder than average on max, and heated brush-drying cycles may add noticeable noise.

Odor control
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Heated drying and a fully dried roller are credited with minimizing musty odors between uses. At the same time, reviewers warn that leaving dirty water or neglecting tank cleaning can still create lingering smells.

Product 2: Tineco Floor ONE Switch S7...
3.3

Odor control is mixed: hot-air drying can reduce smells, but dirty tanks or damp rollers can still develop mildew odor if not emptied and rinsed promptly.

Overall opinion
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Across the set of reviews, overall sentiment is strongly positive, with several reviewers ranking it as a top pick for hard floors. The most negative feedback comes from one reviewer who saw streaking and dripping during a heavy muddy test and withheld a recommendation, plus recurring complaints about reverse pickup and missing headlights.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Pet-Ready Features
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.6

Pet owners benefit most from the fast wet pickup, strong edge cleaning, and anti-tangle roller designs that reduce hair hassle.

Price and Value
Product 1: Narwal S20 Pro Cordless Vacuum...
4.1

Value is usually framed as strong given the feature set and performance on hard floors, especially when discounted from the roughly 499 USD list price. Value perception drops if reverse cleaning, missing headlights, smaller tanks, or longer recharge time are major pain points.

Product 2: Tineco Floor ONE Switch S7...
3.6

Price is a recurring sticking point; many consider it expensive at MSRP, but some justify the cost because it replaces both a mop and a separate vacuum.

Runtime
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Runtime in everyday or smart-style modes is described as strong, with one measured test around 39 minutes in smart mode and multiple claims of up to about 60 minutes in quieter settings. Actual coverage depends heavily on mode choice and how dirty the floors are.

Product 2: Tineco Floor ONE Switch S7...
4.2

Standard-mode runtime is generally strong for the category, with many reports clustering around ~40–50 minutes for floor washing and ~60+ minutes for vacuuming. Boost/steam modes materially reduce runtime, with some users seeing closer to ~20 minutes when pushing maximum output.

Sanitizing performance
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

High-temperature self-cleaning and heated drying are repeatedly positioned as a hygiene advantage that reduces bacterial growth and keeps the roller fresher. Reviewers treat it as more sanitary than air-drying rollers that stay damp.

Product 2: Tineco Floor ONE Switch S7...
No score yet
Self-cleaning cycle
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

The self-clean and heated self-dry base is one of the biggest strengths, with multiple reviewers saying the roller comes out genuinely dry. Drying time is often described as sensor-controlled (roughly 30 to 80 minutes), though a few reviewers wish the wash used more water or note that strongly colored sauces may require extra manual cleaning.

Product 2: Tineco Floor ONE Switch S7...
4.1

Self-cleaning is widely used and appreciated; heated drying helps on FlashDry docks, but some reviewers say the roller may still be damp or that dry-time claims feel optimistic.

Self-propel feature
Product 1: Narwal S20 Pro Cordless Vacuum...
4.4

Several reviewers describe helpful push-pull assistance that makes the unit feel self-propelled, especially in smart modes. One review notes there are no dedicated self-propulsion wheels, suggesting the assistance may come from roller traction and can feel different than true powered drive.

Product 2: Tineco Floor ONE Switch S7...
3.9

Self-propel or wheel assist is a plus in several reviews, helping offset the machine’s heft during longer sessions.

Solution / Liquid system
Product 1: Narwal S20 Pro Cordless Vacuum...
4.6

The separate detergent reservoir and auto-dosing system are frequently praised, often described as lasting up to about 40 days and allowing solution on or off control. Reviewers also like having a suction-only mode for liquid pickup without spraying detergent.

Product 2: Tineco Floor ONE Switch S7...
4.2

Liquid handling varies by version: some S7 variants emphasize steam or water-only cleaning, while others support detergent; overall, users like the clean-water-only approach and predictable water control.

Steam Cleaning
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.6

Steam-enabled versions earn high marks for sanitizing-style cleaning and tackling sticky messes without relying on added solution.

Storage footprint and upright-stand stability
Product 1: Narwal S20 Pro Cordless Vacuum...
3.8

The dock base needs an outlet nearby, so placement can be less flexible in some rooms, and a few reviewers mention keeping it close to a plug. Most still find the storage setup straightforward once a spot is chosen.

Product 2: Tineco Floor ONE Switch S7...
3.6

Dock bases are generally stable and convenient for storage, though at least one review notes the overall system can be hard to tuck away neatly.

Streaking / Residue
Product 1: Narwal S20 Pro Cordless Vacuum...
2.8

Most demos show clean-looking passes, but one reviewer reported visible streaks and a failed white-glove test after cleaning a heavy muddy mess. This suggests residue can occur in extreme grime or if the machine is set down while the roller is still wet.

Product 2: Tineco Floor ONE Switch S7...
4.6

Most reviewers report low streaking, helped by the clean-water feed and scraper system that keeps the roller from smearing dirty water back onto the floor.

Suction and Airflow
Product 1: Narwal S20 Pro Cordless Vacuum...
4.5

Most reviewers describe strong hard-floor pickup and cite about 20,000 Pa suction, with convincing performance on mixed dry and wet messes. A recurring caveat is that pickup is weaker when pulling the unit backward, where debris can get caught near the wheels.

Product 2: Tineco Floor ONE Switch S7...
4.5

Suction feels strong for both the wet/dry head and the stick vacuum, with reviewers describing confident pickup of both liquids and dry debris.

Support and Reliability
Product 1: Narwal S20 Pro Cordless Vacuum...
3.0

Support and reliability feedback is mixed: one review flags stock availability and a short warranty, while another reports dripping or leaking after a heavy muddy cleanup. Most other reviews do not report failures, but these flags add some risk for cautious buyers.

Product 2: Tineco Floor ONE Switch S7...
2.8

Support and reliability sentiment is limited but mixed; one reviewer expresses frustration with unclear marketing claims and less-than-reassuring support responses.

Tool-change simplicity
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.4

The switchable motor/battery design is easy to use in practice, making it quick to move from wet/dry cleaning to stick-vac tasks.

Under-Furniture Pickup
Product 1: Narwal S20 Pro Cordless Vacuum...
4.8

The ability to recline fully and clean under beds, couches, and cabinets is frequently praised, aided by a low profile in the laid-flat posture. Some reviews also mention automatic power changes when going flat to maintain pickup.

Product 2: Tineco Floor ONE Switch S7...
4.5

Under-furniture cleaning is a standout on lay-flat versions, letting users reach low spaces without moving furniture.

Upholstery / Above-Floor Pickup
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.0

Above-floor performance is commonly described as good for upholstery and quick cleanups, especially when paired with the included attachments.

Versatility
Product 1: Narwal S20 Pro Cordless Vacuum...
No score yet
Product 2: Tineco Floor ONE Switch S7...
4.6

Versatility is the core appeal: users like having a floor washer and a stick vacuum in one ecosystem for hard floors, area rugs, and upholstery.

Water tank
Product 1: Narwal S20 Pro Cordless Vacuum...
3.8

Tank sizes are described as adequate for routine cleaning, with published or reviewer-cited capacities around 0.79 L clean and 0.67 L dirty. Some reviewers feel the clean tank is on the smaller side and one test required emptying the dirty tank after about 20 minutes, so large homes may need mid-clean stops.

Product 2: Tineco Floor ONE Switch S7...
3.9

Tank sizes are described as above average in several reviews (roughly ~0.8–1.0 L clean and ~0.72–0.8 L dirty), but you still need to refill/empty for larger jobs.

Weight
Product 1: Narwal S20 Pro Cordless Vacuum...
4.7

Many reviews call out the low weight, commonly around 9 to 9.5 pounds, making it easier to carry upstairs and less tiring to push. Weight is often cited as one reason it feels more agile than rivals.

Product 2: Tineco Floor ONE Switch S7...
3.4

Weight is a consistent complaint; multiple reviewers call it heavy even if wheel assist makes it manageable.