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Kärcher WD 1 Compact Review | 43 Data compared

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  • Avg. price in UK: ~£90
  • Avg. price in US: ~$90
  • Suction pressure: 8.5 kPa
  • Capacity: 7 L
  • Power: 230 W
  • Noise level: 79.2 dB
  • Weight: 3.1 kg

Kärcher WD 1 Compact 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.

6.1

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%

5.8

Technical Score

20.0%

7.2

User score

Good
5.8

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%

2.5

Performance

22.0%

6.9

Design & Mobility

20.0%

8.7

Filter & Accessories

18.0%

8.9

Battery

Good
7.2

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%

8.2

User reviews

30.0%

4.7

Popularity

User score:
United Kingdom
amazon
4.1
(101)

(Reviews last updated: August 2026)

Very good
  • 6.5
    Car cleaning

    Score components:

    30.0%

    10

    Weight

    25.0%

    10

    Cordless

    25.0%

    1.0

    Suction pressure

    20.0%

    3.5

    Noise level

  • 2.3
    Workshop & garage

    Score components:

    30.0%

    1.3

    Rated motor power

    25.0%

    3.0

    Capacity

    25.0%

    4.0

    Power tool socket

    20.0%

    1.0

    Suction pressure

  • 2.9
    Professional use

    Score components:

    30.0%

    1.3

    Rated motor power

    30.0%

    1.0

    Suction pressure

    25.0%

    3.0

    Capacity

    15.0%

    10

    Weight

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Best prices in UK

Best rankings

?

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

Verdict

The Kärcher WD 1 Compact is a light 18 V cordless wet and dry vacuum with a 230 W rated output, 60 AW suction and up to 22 L/s airflow. Its 7 L plastic container, cartridge filter, 1.2 m hose, blower function and accessory storage make it useful for car interiors and workshops. It offers excellent mobility and an LCD battery display, but runtime is about 10 minutes with a 2.5 Ah battery and standard charging can take more than four hours.

Technical Specifications of wet-dry vacuum Kärcher WD 1 Compact

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%

2.5

Performance

22.0%

6.9

Design & Mobility

20.0%

8.7

Filter & Accessories

18.0%

8.9

Battery

5.8
Kärcher WD 1 Compact has a technical score of 5.84 points, which is lower than 95.5% 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%

8.2

User reviews

30.0%

4.7

Popularity

User score:
United Kingdom
amazon
4.1
(101)

(Reviews last updated: August 2026)

7.2
Kärcher WD 1 Compact has a user score of 7.15 points, which is lower than 87.6% of products in this category.
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.
4.7
Kärcher WD 1 Compact has a popularity of 4.7 points, which is lower than 53% 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%

6.1

Overall score

40.0%

10

Price

7.3
Kärcher WD 1 Compact has a quality-to-price ratio of 7.3 points, which is lower than 86.6% 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
Kärcher WD 1 Compact 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

no
Kärcher WD 1 Compact has fixed suction power. 34.2% of wet-dry vacuums have adjustable suction power.
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

7 L
Kärcher WD 1 Compact has capacity of 7 L, which is worse than 66.7% 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

79.2 dB
Kärcher WD 1 Compact has noise level of 79.2 dB, which is worse than 76.9% 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

8.5 kPa
Kärcher WD 1 Compact has suction pressure of 8.5 kPa, which is worse than 96.1% of wet-dry vacuums.
Show more
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
Kärcher WD 1 Compact 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

?
Charging time
What it is: The time required to recharge the battery.
When it matters: Faster charging reduces downtime between cleaning sessions.

Importance: MEDIUM

?
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

18 V
Kärcher WD 1 Compact has battery voltage of 18 V, which is worse than 88.9% of wet-dry vacuums and equal to 11.1% of wet-dry vacuums.
Show more
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

no
Kärcher WD 1 Compact requires collection bags. 66.2% of wet-dry vacuums use a bagless collection system.
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
Kärcher WD 1 Compact 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

?
Show more
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

2
Kärcher WD 1 Compact has 2 filters, which is better than 25.3% of wet-dry vacuums and equal to 55.6% 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

?
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

?
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

?
Show more

Kärcher WD 1 Compact vs the average wet-dry vacuum

  • 2.57 kg less weight
    2 kg less weight: Kärcher WD 1 Compact has 3.1 kg, while the average wet-dry vacuum has 5.67 kg.
    What it is: The total mass of the vacuum.
    When it matters: Lower weight makes carrying, stair cleaning, and transport easier.

    Importance: HIGH

    2 kg less weight: Kärcher WD 1 Compact has 3.1 kg, while the average wet-dry vacuum has 5.67 kg.3.1 kg vs 5.67 kg
  • Cordless operation
    Kärcher WD 1 Compact 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

    Kärcher WD 1 Compact has cordless operation, while the average wet-dry vacuum does not.
  • Removable battery
    Kärcher WD 1 Compact has a removable battery, while the average wet-dry vacuum does not.
    What it is: Whether the battery can be removed without dismantling the vacuum.
    When it matters: A removable battery can be swapped for longer runtime and replaced more easily.

    Importance: MEDIUM

    Kärcher WD 1 Compact has a removable battery, while the average wet-dry vacuum does not.
  • Battery level indicator
    Kärcher WD 1 Compact 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

    Kärcher WD 1 Compact has a battery-level display, while the average wet-dry vacuum does not.
  • 40123.7 cm³ less external volume
    2 cm³ less external volume: Kärcher WD 1 Compact has 33600.5 cm³, while the average wet-dry vacuum has 73724.2 cm³.
    What it is: The approximate external volume of the vacuum body.
    When it matters: A more compact machine takes up less storage and vehicle space.

    Importance: LOW

    2 cm³ less external volume: Kärcher WD 1 Compact has 33600.5 cm³, while the average wet-dry vacuum has 73724.2 cm³.33600.5 cm³ vs 73724.2 cm³
  • 273 mm less height
    2 mm less height: Kärcher WD 1 Compact has 312 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 less height: Kärcher WD 1 Compact has 312 mm, while the average wet-dry vacuum has 585 mm.312 mm vs 585 mm
  • 68 mm less depth
    2 mm less depth: Kärcher WD 1 Compact has 279 mm, while the average wet-dry vacuum has 347 mm.
    What it is: The front-to-back depth of the vacuum body.
    When it matters: Less depth can make the vacuum easier to store on shelving or in a small workshop.

    Importance: LOW

    2 mm less depth: Kärcher WD 1 Compact has 279 mm, while the average wet-dry vacuum has 347 mm.279 mm vs 347 mm
  • 44.4% cheaper
    Kärcher WD 1 Compact is cheaper than the average wet-dry vacuum (£90 vs £130).
    Kärcher WD 1 Compact is cheaper than the average wet-dry vacuum (£90 vs £130).£90 vs £130
  • Cordless operation
    Kärcher WD 1 Compact has cordless operation, while the average wet-dry vacuum does not.
  • Removable battery
    Kärcher WD 1 Compact has a removable battery, while the average wet-dry vacuum does not.
  • Battery level indicator
    Kärcher WD 1 Compact has a battery-level display, while the average wet-dry vacuum does not.
  • 2.57 kg less weight
    2 kg less weight: Kärcher WD 1 Compact has 3.1 kg, while the average wet-dry vacuum has 5.67 kg.
  • 40123.7 cm³ less external volume
    2 cm³ less external volume: Kärcher WD 1 Compact has 33600.5 cm³, while the average wet-dry vacuum has 73724.2 cm³.
  • 273 mm less height
    2 mm less height: Kärcher WD 1 Compact has 312 mm, while the average wet-dry vacuum has 585 mm.
  • 68 mm less depth
    2 mm less depth: Kärcher WD 1 Compact has 279 mm, while the average wet-dry vacuum has 347 mm.

Total
Overall
Battery
Design & Mobility
  • 970 W less motor power
    2 W less motor power: Kärcher WD 1 Compact has 230 W, while the average wet-dry vacuum has 1200 W.
  • 9.5 kPa less suction pressure
    2 kPa less suction pressure: Kärcher WD 1 Compact has 8.5 kPa, while the average wet-dry vacuum has 18 kPa.
  • No automatic full-tank shut-off
    Kärcher WD 1 Compact does not have automatic full-tank shut-off, while the average wet-dry vacuum has automatic full-tank shut-off.
  • 20.5 L/s less airflow
    2 L/s less airflow: Kärcher WD 1 Compact has 22 L/s, while the average wet-dry vacuum has 42.5 L/s.
  • 2.2 dB more operating noise
    2 dB more operating noise: Kärcher WD 1 Compact has 79.2 dB, while the average wet-dry vacuum has 77 dB.
  • 8 L less tank capacity
    2 L less tank capacity: Kärcher WD 1 Compact has 7 L, while the average wet-dry vacuum has 15 L.
  • 3.6 V less battery voltage
    2 V less battery voltage: Kärcher WD 1 Compact has 18 V, while the average wet-dry vacuum has 21.6 V.
  • Requires collection bags
    Kärcher WD 1 Compact uses a bagged collection system, while the average wet-dry vacuum uses a bagless collection system.
  • 0.93 m less hose length
    2 m less hose length: Kärcher WD 1 Compact has 1.2 m, while the average wet-dry vacuum has 2.134 m.
  • 4 fewer wheels
    2 fewer wheels: Kärcher WD 1 Compact has 0, while the average wet-dry vacuum has 4.
  • 36 mm more width
    2 mm more width: Kärcher WD 1 Compact has 386 mm, while the average wet-dry vacuum has 350 mm.
  • 970 W less motor power
    2 W less motor power: Kärcher WD 1 Compact 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: Kärcher WD 1 Compact has 230 W, while the average wet-dry vacuum has 1200 W.230 W vs 1200 W
  • 9.5 kPa less suction pressure
    2 kPa less suction pressure: Kärcher WD 1 Compact has 8.5 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 less suction pressure: Kärcher WD 1 Compact has 8.5 kPa, while the average wet-dry vacuum has 18 kPa.8.5 kPa vs 18 kPa
  • No automatic full-tank shut-off
    Kärcher WD 1 Compact does not have automatic full-tank shut-off, while the average wet-dry vacuum has automatic full-tank shut-off.
    What it is: Whether the vacuum stops suction automatically when the liquid tank is full.
    When it matters: Automatic shut-off helps prevent overflow and protects the motor during wet pickup.

    Importance: MEDIUM

    Kärcher WD 1 Compact does not have automatic full-tank shut-off, while the average wet-dry vacuum has automatic full-tank shut-off.
  • 20.5 L/s less airflow
    2 L/s less airflow: Kärcher WD 1 Compact has 22 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 less airflow: Kärcher WD 1 Compact has 22 L/s, while the average wet-dry vacuum has 42.5 L/s.22 L/s vs 42.5 L/s
  • Requires collection bags
    Kärcher WD 1 Compact uses a bagged collection system, while the average wet-dry vacuum uses a bagless collection system.
    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

    Kärcher WD 1 Compact uses a bagged collection system, while the average wet-dry vacuum uses a bagless collection system.
  • 0.93 m less hose length
    2 m less hose length: Kärcher WD 1 Compact has 1.2 m, while the average wet-dry vacuum has 2.134 m.
    What it is: The length of the vacuum's suction hose.
    When it matters: A longer hose improves reach around vehicles, benches, and large workpieces.

    Importance: MEDIUM

    2 m less hose length: Kärcher WD 1 Compact has 1.2 m, while the average wet-dry vacuum has 2.134 m.1.2 m vs 2.134 m
  • 4 fewer wheels
    2 fewer wheels: Kärcher WD 1 Compact has 0, 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: Kärcher WD 1 Compact has 0, while the average wet-dry vacuum has 4.0 vs 4
  • 2.2 dB more operating noise
    2 dB more operating noise: Kärcher WD 1 Compact has 79.2 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: Kärcher WD 1 Compact has 79.2 dB, while the average wet-dry vacuum has 77 dB.79.2 dB vs 77 dB
Total
Overall
Performance
Battery
Design & Mobility

Graphic comparison of Kärcher WD 1 Compact and other products in the Wet-Dry Vacuums category

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Third-party reviews

United Kingdom
amazon
4.1
101 Reviews

(Reviews last updated: August 2026)

What customers like about Kärcher WD 1 Compact?

  • Lightweight and compact design makes it easy to transport and handle
  • Effective at cleaning hard-to-reach areas and car interiors
  • Strong suction power capable of lifting both fine and coarse dirt
  • No filter change required when switching between wet and dry usage
  • Convenient built-in blower function for moving loose debris
  • Cordless battery system offers complete freedom of movement without power cables

What customers dislike about Kärcher WD 1 Compact?

  • Short battery runtime limits the machine to quick, small cleaning intervals
  • Long battery recharge time relative to its actual operating window
  • Lacks proper integrated onboard storage for the suction hose
  • Short suction hose restricts overall cleaning reach
  • The blower function is perceived as weak by some users
  • Higher price point compared to similar corded compact models

Expert reviews

T
trustedreviews.com
25/11/2020
Summary of the review
Karcher Wet & Dry WD1 Battery Vacuum Review
H
heimwerker-test.de
26/02/2020
Summary of the review
Kärcher WD1 Vacuum Cleaner Review: Excellent
(Translated)Show original
Z
zone-outillage.fr
29/01/2021
Summary of the review
Review, opinion and price: Kärcher WD1 Compact cordless vacuum cleaner without the removable battery
(Translated)Show original

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