Tineco FLOOR ONE S9 Scientist Review | 43 Data compared

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  • Avg. price in UK: ~£700
  • Avg. price in US: ~$870
  • Suction pressure: 22 kPa
  • Capacity: 0.75 L
  • Power: 230 W
  • Noise level: 78 dB
  • Weight: 5.95 kg

Tineco FLOOR ONE S9 Scientist review. Compare 43 technical specifications and user reviews to see how this product ranks in the Wet-Dry Vacuums category and whether it is worth buying.

7.4

Overall score

What it is: An overall evaluation of products in the Wet-Dry Vacuums category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Wet-Dry Vacuums category.

Score components:

80.0%

7.4

Technical Score

20.0%

?

User score

Very good
7.4

Technical Score

What it is: An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.

When it matters: When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.

Score components:

40.0%

6.1

Performance

22.0%

7.9

Design & Mobility

20.0%

8.2

Filter & Accessories

18.0%

8.7

Battery

Very good
?

User score

What it is: A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.

When it matters: When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 8.1
    Car cleaning

    Score components:

    30.0%

    7.8

    Weight

    25.0%

    10

    Cordless

    25.0%

    9.4

    Suction pressure

    20.0%

    4.6

    Noise level

  • 3.5
    Workshop & garage

    Score components:

    30.0%

    1.3

    Rated motor power

    25.0%

    1.1

    Capacity

    25.0%

    4.0

    Power tool socket

    20.0%

    9.4

    Suction pressure

  • 4.6
    Professional use

    Score components:

    30.0%

    1.3

    Rated motor power

    30.0%

    9.4

    Suction pressure

    25.0%

    1.1

    Capacity

    15.0%

    7.8

    Weight

  • No image
No image

Best prices in UK

    N/A~ £700

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Tineco FLOOR ONE S9 Scientist is a premium cordless wet-dry vacuum cleaner engineered with a powerful 22,000 Pa suction motor, a high-capacity 5,000 mAh battery delivering up to an 80-minute runtime, and a 180° lay-flat design that compresses to just 11 cm to clear low furniture. Its core performance characteristics include an intelligent iLoop Smart Sensor that automatically adjusts power, a DualBlock anti-tangle system to manage pet hair, and a HydroBurst high-pressure water spray reaching 440 grams per minute to dissolve dried grime. Key advantages include its unique retro-style pixel display, a smart-sensing StreakFree Scraper that lifts during forward motion and presses down on the pullback to ensure immediate barefoot-ready drying, a 360° omni-directional SmoothDrive AI propulsion system, and an 85°C FlashDry self-cleaning docking cycle. However, significant disadvantages include a heavy 6 kg operational weight that can cause fatigue during multi-level cleaning, a lack of dedicated solution tanks separating clean water from detergent mixing, and the high premium retail cost.

Technical Specifications of wet-dry vacuum Tineco FLOOR ONE S9 Scientist

Technical Score

What it is: An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.

When it matters: When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.

Score components:

40.0%

?

Performance

22.0%

?

Design & Mobility

20.0%

?

Filter & Accessories

18.0%

?

Battery

7.4
Tineco FLOOR ONE S9 Scientist has a technical score of 7.37 points, which is higher than 73.8% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.

When it matters: When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by products in the Wet-Dry Vacuums category.
When it matters: When you prefer products in the Wet-Dry Vacuums category that have been chosen and reviewed by many other buyers.
1.0
Tineco FLOOR ONE S9 Scientist has a popularity of 1 points, which is lower than 71.3% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Wet-Dry Vacuums category with their prices.

When it matters: When you are comparing products in the Wet-Dry Vacuums category and want a good balance between quality and price.

Score components:

60.0%

7.4

Overall score

40.0%

6.8

Price

7.2
Tineco FLOOR ONE S9 Scientist has a quality-to-price ratio of 7.2 points, which is lower than 93.1% of products in this category.
Power
What it is: The rated electrical input of the vacuum motor.
When it matters: Higher power can help sustain demanding wet and dry cleaning, although suction design also matters.

Importance: HIGH

230 W
Tineco FLOOR ONE S9 Scientist has power of 230 W, which is worse than 81.8% of wet-dry vacuums and equal to 4.7% of wet-dry vacuums.
Variable power
What it is: Whether the vacuum lets you adjust motor or suction power.
When it matters: Power adjustment helps match suction to delicate surfaces, heavy debris, and power-tool use.

Importance: MEDIUM

yes
Tineco FLOOR ONE S9 Scientist has adjustable suction power. This feature is present on 34.2% of wet-dry vacuums.
Capacity
What it is: The amount of liquid or debris the collection tank can hold.
When it matters: A larger tank reduces emptying interruptions during big spills and workshop cleanup.

Importance: HIGH

0.75 L
Tineco FLOOR ONE S9 Scientist has capacity of 0.75 L, which is worse than 74.6% of wet-dry vacuums and equal to 1.5% of wet-dry vacuums.
Noise level
What it is: The sound level produced while the vacuum is running.
When it matters: Lower noise is useful for longer cleaning sessions and work in occupied spaces.

Importance: HIGH

78 dB
Tineco FLOOR ONE S9 Scientist has noise level of 78 dB, which is worse than 52.7% of wet-dry vacuums and equal to 21% of wet-dry vacuums.
Suction pressure
What it is: The maximum pressure difference the vacuum can generate for suction.
When it matters: Higher suction pressure helps lift dense debris and extract liquid from difficult areas.

Importance: HIGH

22 kPa
Tineco FLOOR ONE S9 Scientist has suction pressure of 22 kPa, which is better than 78.1% of wet-dry vacuums and equal to 6.2% of wet-dry vacuums.
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Cordless
What it is: Whether the vacuum can run without a mains power cable.
When it matters: Cordless operation improves mobility in cars, stairs, and areas without a nearby outlet.

Importance: MEDIUM

yes
Tineco FLOOR ONE S9 Scientist supports cordless operation. This feature is present on 29.6% of wet-dry vacuums.
Battery type
What it is: The battery chemistry used by a cordless vacuum.
When it matters: Battery chemistry affects weight, charging behavior, lifespan, and replacement options.

Importance: LOW

Li-ion
Battery runtime
What it is: How long the cordless vacuum can operate on one charge.
When it matters: Longer runtime lets you finish larger jobs without stopping to recharge.

Importance: MEDIUM

80 minutes
Tineco FLOOR ONE S9 Scientist has battery runtime of 80 minutes, which is better than 95.8% of wet-dry vacuums and equal to 2.1% of wet-dry vacuums.
Charging time
What it is: The time required to recharge the battery.
When it matters: Faster charging reduces downtime between cleaning sessions.

Importance: MEDIUM

3.5 hours
Tineco FLOOR ONE S9 Scientist has charging time of 3.5 hours, which is better than 87.8% of wet-dry vacuums and equal to 6.1% of wet-dry vacuums.
Battery voltage
What it is: The nominal voltage of the vacuum battery system.
When it matters: Voltage helps describe the battery platform and its available power class.

Importance: LOW

21.6 V
Tineco FLOOR ONE S9 Scientist has battery voltage of 21.6 V, which is better than 18.5% of wet-dry vacuums and equal to 44.4% of wet-dry vacuums.
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Power cable length
What it is: The length of the vacuum's mains power cable.
When it matters: A longer cable increases reach and reduces how often you change outlets.

Importance: MEDIUM

?
Operating radius
What it is: The total working reach provided by the cable, vacuum body, and hose.
When it matters: A larger radius lets you clean more space without moving the plug or machine.

Importance: MEDIUM

?
Bagless
What it is: Whether debris is collected directly in a reusable tank instead of a disposable bag.
When it matters: A bagless tank avoids replacement-bag costs and is convenient for wet pickup.

Importance: LOW

yes
Tineco FLOOR ONE S9 Scientist uses a bagless collection system. This feature is present on 66.2% of wet-dry vacuums.
Tank material
What it is: The material used for the vacuum's collection tank.
When it matters: Tank material affects durability, corrosion resistance, weight, and ease of cleaning.

Importance: LOW

plastic
Tineco FLOOR ONE S9 Scientist uses a less suitable tank material.
Power cable holder
What it is: Whether the vacuum has an integrated holder for the power cable.
When it matters: Onboard storage keeps the cable tidy and makes the vacuum easier to carry and store.

Importance: LOW

?
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N. of filters
What it is: The number of filtration elements supplied or used by the vacuum.
When it matters: Multiple filters can support different pickup modes or provide staged dust capture.

Importance: MEDIUM

1
Tineco FLOOR ONE S9 Scientist has 1 filters, which is worse than 75.3% of wet-dry vacuums and equal to 24.8% of wet-dry vacuums.
HEPA filter
What it is: Whether the vacuum includes a high-efficiency particulate air filter.
When it matters: HEPA filtration helps capture fine dust and allergens from the exhaust air.

Importance: MEDIUM

yes
Tineco FLOOR ONE S9 Scientist has HEPA filtration. This feature is present on 53.4% of wet-dry vacuums.
A HEPA filter is explicitly included.
Washable filter
What it is: Whether the filter can be cleaned with water and reused.
When it matters: A washable filter can reduce replacement costs and simplify maintenance.

Importance: MEDIUM

yes
Tineco FLOOR ONE S9 Scientist has a washable filter. This feature is present on 96.6% of wet-dry vacuums.
A washable filter is explicitly included.
Automatic filter cleaning
What it is: Whether the vacuum cleans its filter automatically during operation.
When it matters: Automatic cleaning helps maintain suction during dusty work and reduces maintenance stops.

Importance: MEDIUM

?
Flexible hose
What it is: Whether a flexible suction hose is included.
When it matters: A flexible hose improves reach and control around furniture, vehicles, and tools.

Importance: LOW

?
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Tineco FLOOR ONE S9 Scientist vs the average wet-dry vacuum

  • 4 kPa more suction pressure
    2 kPa more suction pressure: Tineco FLOOR ONE S9 Scientist has 22 kPa, while the average wet-dry vacuum has 18 kPa.
    What it is: The maximum pressure difference the vacuum can generate for suction.
    When it matters: Higher suction pressure helps lift dense debris and extract liquid from difficult areas.

    Importance: HIGH

    2 kPa more suction pressure: Tineco FLOOR ONE S9 Scientist has 22 kPa, while the average wet-dry vacuum has 18 kPa.22 kPa vs 18 kPa
  • Cordless operation
    Tineco FLOOR ONE S9 Scientist has cordless operation, while the average wet-dry vacuum does not.
    What it is: Whether the vacuum can run without a mains power cable.
    When it matters: Cordless operation improves mobility in cars, stairs, and areas without a nearby outlet.

    Importance: MEDIUM

    Tineco FLOOR ONE S9 Scientist has cordless operation, while the average wet-dry vacuum does not.
  • 25.5 L/s more airflow
    2 L/s more airflow: Tineco FLOOR ONE S9 Scientist has 68 L/s, while the average wet-dry vacuum has 42.5 L/s.
    What it is: The volume of air the vacuum moves through the hose each second.
    When it matters: Higher airflow helps collect light, bulky debris and clear larger surfaces quickly.

    Importance: HIGH

    2 L/s more airflow: Tineco FLOOR ONE S9 Scientist has 68 L/s, while the average wet-dry vacuum has 42.5 L/s.68 L/s vs 42.5 L/s
  • Adjustable power
    Tineco FLOOR ONE S9 Scientist has adjustable suction power, while the average wet-dry vacuum does not.
    What it is: Whether the vacuum lets you adjust motor or suction power.
    When it matters: Power adjustment helps match suction to delicate surfaces, heavy debris, and power-tool use.

    Importance: MEDIUM

    Tineco FLOOR ONE S9 Scientist has adjustable suction power, while the average wet-dry vacuum does not.
  • 40 minutes more battery runtime
    2 minutes more battery runtime: Tineco FLOOR ONE S9 Scientist has 80 minutes, while the average wet-dry vacuum has 40 minutes.
    What it is: How long the cordless vacuum can operate on one charge.
    When it matters: Longer runtime lets you finish larger jobs without stopping to recharge.

    Importance: MEDIUM

    2 minutes more battery runtime: Tineco FLOOR ONE S9 Scientist has 80 minutes, while the average wet-dry vacuum has 40 minutes.80 minutes vs 40 minutes
  • Battery level indicator
    Tineco FLOOR ONE S9 Scientist has a battery-level display, while the average wet-dry vacuum does not.
    What it is: Whether the vacuum shows the remaining battery charge.
    When it matters: A charge indicator helps you plan work and avoid an unexpected empty battery.

    Importance: LOW

    Tineco FLOOR ONE S9 Scientist has a battery-level display, while the average wet-dry vacuum does not.
  • 0.5 hours less charging time
    2 hours less charging time: Tineco FLOOR ONE S9 Scientist has 3.5 hours, while the average wet-dry vacuum has 4 hours.
    What it is: The time required to recharge the battery.
    When it matters: Faster charging reduces downtime between cleaning sessions.

    Importance: MEDIUM

    2 hours less charging time: Tineco FLOOR ONE S9 Scientist has 3.5 hours, while the average wet-dry vacuum has 4 hours.3.5 hours vs 4 hours
  • 96 mm less width
    2 mm less width: Tineco FLOOR ONE S9 Scientist has 254 mm, while the average wet-dry vacuum has 350 mm.
    What it is: The side-to-side width of the vacuum body.
    When it matters: A narrower vacuum is easier to store and maneuver through tight spaces.

    Importance: LOW

    2 mm less width: Tineco FLOOR ONE S9 Scientist has 254 mm, while the average wet-dry vacuum has 350 mm.254 mm vs 350 mm
  • 4 kPa more suction pressure
    2 kPa more suction pressure: Tineco FLOOR ONE S9 Scientist has 22 kPa, while the average wet-dry vacuum has 18 kPa.
  • 25.5 L/s more airflow
    2 L/s more airflow: Tineco FLOOR ONE S9 Scientist has 68 L/s, while the average wet-dry vacuum has 42.5 L/s.
  • Adjustable power
    Tineco FLOOR ONE S9 Scientist has adjustable suction power, while the average wet-dry vacuum does not.
  • Cordless operation
    Tineco FLOOR ONE S9 Scientist has cordless operation, while the average wet-dry vacuum does not.
  • 40 minutes more battery runtime
    2 minutes more battery runtime: Tineco FLOOR ONE S9 Scientist has 80 minutes, while the average wet-dry vacuum has 40 minutes.
  • Battery level indicator
    Tineco FLOOR ONE S9 Scientist has a battery-level display, while the average wet-dry vacuum does not.
  • 0.5 hours less charging time
    2 hours less charging time: Tineco FLOOR ONE S9 Scientist has 3.5 hours, while the average wet-dry vacuum has 4 hours.
  • 96 mm less width
    2 mm less width: Tineco FLOOR ONE S9 Scientist has 254 mm, while the average wet-dry vacuum has 350 mm.
  • 80 mm less depth
    2 mm less depth: Tineco FLOOR ONE S9 Scientist has 267 mm, while the average wet-dry vacuum has 347 mm.
  • 970 W less motor power
    2 W less motor power: Tineco FLOOR ONE S9 Scientist has 230 W, while the average wet-dry vacuum has 1200 W.
  • 14.25 L less tank capacity
    2 L less tank capacity: Tineco FLOOR ONE S9 Scientist has 0.8 L, while the average wet-dry vacuum has 15 L.
  • 1 dB more operating noise
    2 dB more operating noise: Tineco FLOOR ONE S9 Scientist has 78 dB, while the average wet-dry vacuum has 77 dB.
  • 525 mm more height
    2 mm more height: Tineco FLOOR ONE S9 Scientist has 1110 mm, while the average wet-dry vacuum has 585 mm.
  • 2 fewer wheels
    2 fewer wheels: Tineco FLOOR ONE S9 Scientist has 2, while the average wet-dry vacuum has 4.
  • 0.28 kg more weight
    2 kg more weight: Tineco FLOOR ONE S9 Scientist has 6 kg, while the average wet-dry vacuum has 5.67 kg.
  • 1 fewer filters
    2 fewer filters: Tineco FLOOR ONE S9 Scientist has 1, while the average wet-dry vacuum has 2.
  • 970 W less motor power
    2 W less motor power: Tineco FLOOR ONE S9 Scientist has 230 W, while the average wet-dry vacuum has 1200 W.
    What it is: The rated electrical input of the vacuum motor.
    When it matters: Higher power can help sustain demanding wet and dry cleaning, although suction design also matters.

    Importance: HIGH

    2 W less motor power: Tineco FLOOR ONE S9 Scientist has 230 W, while the average wet-dry vacuum has 1200 W.230 W vs 1200 W
  • 14.25 L less tank capacity
    2 L less tank capacity: Tineco FLOOR ONE S9 Scientist has 0.8 L, while the average wet-dry vacuum has 15 L.
    What it is: The amount of liquid or debris the collection tank can hold.
    When it matters: A larger tank reduces emptying interruptions during big spills and workshop cleanup.

    Importance: HIGH

    2 L less tank capacity: Tineco FLOOR ONE S9 Scientist has 0.8 L, while the average wet-dry vacuum has 15 L.0.75 L vs 15 L
  • 525 mm more height
    2 mm more height: Tineco FLOOR ONE S9 Scientist has 1110 mm, while the average wet-dry vacuum has 585 mm.
    What it is: The overall height of the vacuum.
    When it matters: A lower body may fit under shelves and be easier to store or transport.

    Importance: LOW

    2 mm more height: Tineco FLOOR ONE S9 Scientist has 1110 mm, while the average wet-dry vacuum has 585 mm.1110 mm vs 585 mm
  • 1 fewer filters
    2 fewer filters: Tineco FLOOR ONE S9 Scientist has 1, while the average wet-dry vacuum has 2.
    What it is: The number of filtration elements supplied or used by the vacuum.
    When it matters: Multiple filters can support different pickup modes or provide staged dust capture.

    Importance: MEDIUM

    2 fewer filters: Tineco FLOOR ONE S9 Scientist has 1, while the average wet-dry vacuum has 2.1 vs 2
  • 2 fewer wheels
    2 fewer wheels: Tineco FLOOR ONE S9 Scientist has 2, while the average wet-dry vacuum has 4.
    What it is: The number of wheels supporting the vacuum body.
    When it matters: More well-positioned wheels can improve stability and movement on uneven floors.

    Importance: LOW

    2 fewer wheels: Tineco FLOOR ONE S9 Scientist has 2, while the average wet-dry vacuum has 4.2 vs 4
  • 1 dB more operating noise
    2 dB more operating noise: Tineco FLOOR ONE S9 Scientist has 78 dB, while the average wet-dry vacuum has 77 dB.
    What it is: The sound level produced while the vacuum is running.
    When it matters: Lower noise is useful for longer cleaning sessions and work in occupied spaces.

    Importance: HIGH

    2 dB more operating noise: Tineco FLOOR ONE S9 Scientist has 78 dB, while the average wet-dry vacuum has 77 dB.78 dB vs 77 dB
  • 5.38x more expensive
    Tineco FLOOR ONE S9 Scientist is more expensive than the average wet-dry vacuum (£700 vs £130).
    Tineco FLOOR ONE S9 Scientist is more expensive than the average wet-dry vacuum (£700 vs £130).£700 vs £130
  • 9.6% worse value for money
    Tineco FLOOR ONE S9 Scientist offers worse value for money than the average wet-dry vacuum (7.2 vs 7.898).
    What it is: An indicator that combines the overall score of products in the Wet-Dry Vacuums category with their prices.
    When it matters: When you are comparing products in the Wet-Dry Vacuums category and want a good balance between quality and price.
    Tineco FLOOR ONE S9 Scientist offers worse value for money than the average wet-dry vacuum (7.2 vs 7.898).7.2 vs 7.9

Graphic comparison of Tineco FLOOR ONE S9 Scientist and other products in the Wet-Dry Vacuums category

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Third-party reviews

What customers like about Tineco FLOOR ONE S9 Scientist?

  • Powerful 22,000 Pa suction that easily picks up wet spills, dry debris, and pet hair.
  • HydroBurst high-pressure frontal water jet efficiently dissolves stubborn and dried-on stains.
  • StreakFree intelligent magnetic scraper limits excess water residue, leaving floors nearly instantly dry.
  • 180-degree lay-flat design compresses down to 11-13 cm to effortlessly clean under low-clearance furniture.
  • SmoothDrive 360-degree multi-directional motorized propulsion offers an intuitive, glide-like maneuverability.
  • Advanced FlashDry self-cleaning system washes the roller and uses 85°C hot air to dry it in under 5 minutes, preventing odors.
  • Impressive battery runtime reaching up to 50-80 minutes depending on the mode used.
  • Triple-sided edge cleaning allows the brush head to clean right up against walls and baseboards.

What customers dislike about Tineco FLOOR ONE S9 Scientist?

  • Noticeably heavy body weight that can become tiring during extended cleaning sessions around obstacles.
  • High premium price point makes it a substantial financial investment compared to other models.
  • The large dirty water tank configuration can be bulky and unhandy to rinse out in smaller sinks.
  • The built-in battery pouch cells cannot be replaced or swapped out by the user.
  • Requires using Tineco's specific, highly concentrated official detergent to avoid voiding the warranty.
  • Positioning of the clean water tank on the floor head requires users to bend down to detach it.

Expert reviews

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Video reviews

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