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Polti StainOver SC20 Review | 61 Data compared

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  • Avg. price in UK: ~£260
  • Avg. price in US: ~$320
  • Steam pressure: ?
  • Heat-up time: 35 seconds
  • Power rating: 2000 W
  • Water tank capacity: 1,600 ml
  • Weight: 6 kg

Polti StainOver SC20 review. Compare 61 technical specifications and user reviews to see how this product ranks in the Steam Cleaners category and whether it is worth buying.

7.8

Overall score

What it is: An overall evaluation of products in the Steam Cleaners category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Steam Cleaners category.

Score components:

80.0%

7.9

Technical Score

20.0%

7.2

User score

Very good
7.9

Technical Score

What it is: An assessment of technical performance for products in the Steam Cleaners category across these key areas: Performance, Tank, Versatility, Accessories, Design, Safety.

When it matters: When you want to compare products in the Steam Cleaners category by technical performance, specifications, and available features.

Score components:

28.0%

7.5

Performance

24.0%

8.7

Tank

21.0%

7.7

Versatility

10.0%

7.5

Accessories

9.0%

7.9

Design

8.0%

8.3

Safety

Very good
7.2

User score

What it is: A rating that combines user reviews with the total review volume for products in the Steam Cleaners category.

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

Score components:

70.0%

9.6

User reviews

30.0%

1.4

Popularity

User score:
United Kingdom
amazon
4.8
(8)

(Reviews last updated: August 2026)

Very good
  • 5.9
    Hard-floor cleaning

    Score components:

    30.0%

    4.0

    Rotating / motorized pads

    25.0%

    4.0

    Swivel / flexible floor head

    20.0%

    9.8

    Heat-up time

    15.0%

    4.9

    Weight

    10.0%

    10

    Power rating

  • 8.7
    Upholstery cleaning

    Score components:

    30.0%

    10

    Upholstery / fabric tool

    25.0%

    10

    Extension hose

    20.0%

    9.8

    Heat-up time

    15.0%

    4.9

    Weight

    10.0%

    5.5

    Accessory count

  • 9.0
    Grout cleaning

    Score components:

    30.0%

    10

    Jet nozzle

    25.0%

    ?

    Detail brushes included

    20.0%

    10

    Extension hose

    15.0%

    9.8

    Heat-up time

    10.0%

    4.9

    Weight

  • 8.4
    Car-interior cleaning

    Score components:

    25.0%

    10

    Extension hose

    20.0%

    10

    Jet nozzle

    15.0%

    ?

    Detail brushes included

    15.0%

    9.8

    Heat-up time

    15.0%

    4.9

    Weight

    10.0%

    5.5

    Accessory count

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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 Polti StainOver SC20 is a four-in-one cleaner for carpets, upholstery and other fabrics that combines hot- or cold-water washing, extraction and Vaporetto steam through its SteamActive system. It is intended for stubborn stains, pet-related messes and vehicle interiors, and is claimed to remove up to 99.999% of germs, bacteria and fungi without detergent. An LED display, voice guidance in seven languages, four steering wheels, removable tanks and nine accessories make the machine versatile and comparatively easy to operate. Its main compromises are the storage space required by the unit and manually wound cable, plus the need for frequent tank refilling and emptying during intensive cleaning sessions.

Technical Specifications of steam cleaner Polti StainOver SC20

Technical Score

What it is: An assessment of technical performance for products in the Steam Cleaners category across these key areas: Performance, Tank, Versatility, Accessories, Design, Safety.

When it matters: When you want to compare products in the Steam Cleaners category by technical performance, specifications, and available features.

Score components:

28.0%

7.5

Performance

24.0%

8.7

Tank

21.0%

7.7

Versatility

10.0%

7.5

Accessories

9.0%

7.9

Design

8.0%

8.3

Safety

7.9
Polti StainOver SC20 has a technical score of 7.93 points, which is higher than 59.4% 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 Steam Cleaners category.

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

Score components:

70.0%

9.6

User reviews

30.0%

1.4

Popularity

User score:
United Kingdom
amazon
4.8
(8)

(Reviews last updated: August 2026)

7.2
Polti StainOver SC20 has a user score of 7.15 points, which is lower than 76.2% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Steam Cleaners category.
When it matters: When you prefer products in the Steam Cleaners category that have been chosen and reviewed by many other buyers.
1.4
Polti StainOver SC20 has a popularity of 1.4 points, which is lower than 84.6% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Steam Cleaners category with their prices.

When it matters: When you are comparing products in the Steam Cleaners category and want a good balance between quality and price.

Score components:

60.0%

7.8

Overall score

40.0%

9.2

Price

8.2
Polti StainOver SC20 has a quality-to-price ratio of 8.2 points, which is lower than 50.4% of products in this category.
Steam pressure
What it is: Measures the steam pressure of the steam cleaner.
When it matters: This matters when you compare steam cleaners by steam pressure.

Importance: HIGH

?
Steam temperature
What it is: Measures the steam temperature of the steam cleaner.
When it matters: This matters when you compare steam cleaners by steam temperature.

Importance: HIGH

?
Steam flow rate
What it is: Measures the steam flow rate of the steam cleaner.
When it matters: This matters when you compare steam cleaners by steam flow rate.

Importance: HIGH

40 g/min
Polti StainOver SC20 has a steam flow rate of 40 g/min, which is lower than that of 50.8% of steam cleaners and matches that of 11.9% of steam cleaners.
Heat-up time
What it is: Measures the heat-up time of the steam cleaner.
When it matters: This matters when you compare steam cleaners by heat-up time.

Importance: MEDIUM

35 seconds
Polti StainOver SC20 has a heat-up time of 35 seconds, which is shorter than that of 56.4% of steam cleaners.
Continuous steam time
What it is: Measures the continuous steam time of the steam cleaner.
When it matters: This matters when you compare steam cleaners by continuous steam time.

Importance: MEDIUM

?
Show more
Cordless
What it is: Shows whether the steam cleaner has cordless.
When it matters: This matters when you compare steam cleaners by cordless.

Importance: LOW

no
Polti StainOver SC20 is corded only. Cordless operation is found in 4.2% of steam cleaners.
Action radius
What it is: Measures the action radius of the steam cleaner.
When it matters: This matters when you compare steam cleaners by action radius.

Importance: MEDIUM

7.1 m
Polti StainOver SC20 has an action radius of 7.1 m, which is shorter than that of 50.5% of steam cleaners.
Stainless steel boiler
What it is: Shows whether the steam cleaner has stainless steel boiler.
When it matters: This matters when you compare steam cleaners by stainless steel boiler.

Importance: LOW

?
Power rating
What it is: Measures the power rating of the steam cleaner.
When it matters: This matters when you compare steam cleaners by power rating.

Importance: LOW

2000 W
Polti StainOver SC20 has a power rating of 2000 W, which is higher than that of 80.3% of steam cleaners and matches that of 9.1% of steam cleaners.
Water tank capacity
What it is: Measures the water tank capacity of the steam cleaner.
When it matters: This matters when you compare steam cleaners by water tank capacity.

Importance: HIGH

1,600 ml
Polti StainOver SC20 has a water tank capacity of 1600 ml, which is larger than that of 82.6% of steam cleaners and matches that of 6.1% of steam cleaners.
Show more
Suitable for allergy sufferers
What it is: Shows whether the steam cleaner has suitable for allergy sufferers.
When it matters: This matters when you compare steam cleaners by suitable for allergy sufferers.

Importance: MEDIUM

?
Product type
What it is: Describes the product type of the steam cleaner.
When it matters: This matters when you compare steam cleaners by product type.

Importance: LOW

spot steam cleaner
Convertible handheld design
What it is: Shows whether the steam cleaner has convertible handheld design.
When it matters: This matters when you compare steam cleaners by convertible handheld design.

Importance: LOW

no
Polti StainOver SC20 does not have a convertible handheld design. It is available on 18.3% of steam cleaners.
Steam vacuum function
What it is: Shows whether the steam cleaner has steam vacuum function.
When it matters: This matters when you compare steam cleaners by steam vacuum function.

Importance: LOW

yes
Polti StainOver SC20 has a steam vacuum function. This feature is present in 11.3% of steam cleaners.
Floor nozzle type
What it is: Describes the floor nozzle type of the steam cleaner.
When it matters: This matters when you compare steam cleaners by floor nozzle type.

Importance: LOW

?
Show more
Accessory count
What it is: Measures the accessory count of the steam cleaner.
When it matters: This matters when you compare steam cleaners by accessory count.

Importance: MEDIUM

9
Polti StainOver SC20 includes 9 accessories, which is fewer than the number included with 51.4% of steam cleaners and the same as the number included with 15% of steam cleaners.
Mop pads included
What it is: Measures the mop pads included of the steam cleaner.
When it matters: This matters when you compare steam cleaners by mop pads included.

Importance: LOW

0
Polti StainOver SC20 includes 0 mop pads, which is fewer than the number included with 81.9% of steam cleaners and the same as the number included with 18.1% of steam cleaners.
Carpet glider included
What it is: Shows whether the steam cleaner has carpet glider included.
When it matters: This matters when you compare steam cleaners by carpet glider included.

Importance: LOW

no
Polti StainOver SC20 does not have a carpet glider. It is available on 29.8% of steam cleaners.
Extension tubes / wands
What it is: Shows whether the steam cleaner has extension tubes / wands.
When it matters: This matters when you compare steam cleaners by extension tubes / wands.

Importance: LOW

no
Polti StainOver SC20 does not have extension tubes or wands. It is available on 44.7% of steam cleaners.
Extension hose
What it is: Shows whether the steam cleaner has extension hose.
When it matters: This matters when you compare steam cleaners by extension hose.

Importance: LOW

yes
Polti StainOver SC20 has an extension hose. This feature is present in 18.1% of steam cleaners.
Show more
Wheels
What it is: Shows whether the steam cleaner has wheels.
When it matters: This matters when you compare steam cleaners by wheels.

Importance: LOW

yes
Polti StainOver SC20 has wheels. This feature is present in 54.9% of steam cleaners.
Volume
What it is: Measures the volume of the steam cleaner.
When it matters: This matters when you compare steam cleaners by volume.

Importance: LOW

?
Weight
What it is: Measures the weight of the steam cleaner.
When it matters: This matters when you compare steam cleaners by weight.

Importance: MEDIUM

6 kg
Polti StainOver SC20 weighs 6 kg, which is heavier than 82.1% of steam cleaners and the same weight as 7.1% of steam cleaners.
Width
What it is: Measures the width of the steam cleaner.
When it matters: This matters when you compare steam cleaners by width.

Importance: LOW

?
Height
What it is: Measures the height of the steam cleaner.
When it matters: This matters when you compare steam cleaners by height.

Importance: LOW

330 mm
Polti StainOver SC20 has a height of 330 mm, which is shorter than that of 46.3% of steam cleaners and matches that of 4.9% of steam cleaners.
Show more
Child safety lock
What it is: Shows whether the steam cleaner has child safety lock.
When it matters: This matters when you compare steam cleaners by child safety lock.

Importance: LOW

?
Safety valve / safety cap
What it is: Shows whether the steam cleaner has safety valve / safety cap.
When it matters: This matters when you compare steam cleaners by safety valve / safety cap.

Importance: LOW

?
Auto shut-off
What it is: Shows whether the steam cleaner has auto shut-off.
When it matters: This matters when you compare steam cleaners by auto shut-off.

Importance: LOW

?
Trigger lock / continuous steam lock
What it is: Shows whether the steam cleaner has trigger lock / continuous steam lock.
When it matters: This matters when you compare steam cleaners by trigger lock / continuous steam lock.

Importance: LOW

?
Descaling system
What it is: Shows whether the steam cleaner has descaling system.
When it matters: This matters when you compare steam cleaners by descaling system.

Importance: LOW

no
Polti StainOver SC20 does not have a descaling system. It is available on 23.9% of steam cleaners.
Show more

Polti StainOver SC20 vs the average steam cleaner

  • 800 ml larger water tank capacity
    Polti StainOver SC20 has a larger water tank capacity than the average steam cleaner (1600 ml vs 800 ml).
    What it is: Measures the water tank capacity of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by water tank capacity.

    Importance: HIGH

    Polti StainOver SC20 has a larger water tank capacity than the average steam cleaner (1600 ml vs 800 ml).1600 ml vs 800 ml
  • Includes an extension hose
    Polti StainOver SC20 has an extension hose, while the average steam cleaner does not.
    What it is: Shows whether the steam cleaner has extension hose.
    When it matters: This matters when you compare steam cleaners by extension hose.

    Importance: LOW

    Polti StainOver SC20 has an extension hose, while the average steam cleaner does not.
  • Steam vacuum function
    Polti StainOver SC20 has a steam vacuum function, while the average steam cleaner does not.
    What it is: Shows whether the steam cleaner has steam vacuum function.
    When it matters: This matters when you compare steam cleaners by steam vacuum function.

    Importance: LOW

    Polti StainOver SC20 has a steam vacuum function, while the average steam cleaner does not.
  • 500 W higher power rating
    Polti StainOver SC20 has a higher power rating than the average steam cleaner (2000 W vs 1500 W).
    What it is: Measures the power rating of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by power rating.

    Importance: LOW

    Polti StainOver SC20 has a higher power rating than the average steam cleaner (2000 W vs 1500 W).2000 W vs 1500 W
  • 8 newer release date
    Polti StainOver SC20 was released more recently than the average steam cleaner.
    What it is: Shows when the steam cleaner model was released.
    When it matters: This matters when you compare steam cleaners by release date.

    Importance: LOW

    Polti StainOver SC20 was released more recently than the average steam cleaner.2026 vs 2018
  • 85 seconds shorter heat-up time
    Polti StainOver SC20 has a shorter heat-up time than the average steam cleaner (35 seconds vs 120 seconds).
    What it is: Measures the heat-up time of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by heat-up time.

    Importance: MEDIUM

    Polti StainOver SC20 has a shorter heat-up time than the average steam cleaner (35 seconds vs 120 seconds).35 seconds vs 120 seconds
  • 0.1 m longer power cord
    Polti StainOver SC20 has a longer power cord than the average steam cleaner (5.1 m vs 5 m).
    What it is: Measures the power cord length of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by power cord length.

    Importance: LOW

    Polti StainOver SC20 has a longer power cord than the average steam cleaner (5.1 m vs 5 m).5.1 m vs 5 m
  • 85 seconds shorter heat-up time
    Polti StainOver SC20 has a shorter heat-up time than the average steam cleaner (35 seconds vs 120 seconds).
  • 800 ml larger water tank capacity
    Polti StainOver SC20 has a larger water tank capacity than the average steam cleaner (1600 ml vs 800 ml).
  • 500 W higher power rating
    Polti StainOver SC20 has a higher power rating than the average steam cleaner (2000 W vs 1500 W).
  • 0.1 m longer power cord
    Polti StainOver SC20 has a longer power cord than the average steam cleaner (5.1 m vs 5 m).
  • Steam vacuum function
    Polti StainOver SC20 has a steam vacuum function, while the average steam cleaner does not.
  • Includes an extension hose
    Polti StainOver SC20 has an extension hose, while the average steam cleaner does not.
  • 8 newer release date
    Polti StainOver SC20 was released more recently than the average steam cleaner.

Total
Performance
Tank
Versatility
Accessories
Design
  • No adjustable steam output
    Polti StainOver SC20 does not have adjustable steam output, while the average steam cleaner does.
  • 1 g/min lower steam flow rate
    Polti StainOver SC20 has a lower steam flow rate than the average steam cleaner (40 g/min vs 41 g/min).
  • 0.4 m shorter hose
    Polti StainOver SC20 has a shorter hose than the average steam cleaner (1.6 m vs 2 m).
  • 0.11 m shorter action radius
    Polti StainOver SC20 has a shorter action radius than the average steam cleaner (7.1 m vs 7.21 m).
  • Not suitable for sealed hard floors
    Polti StainOver SC20 is not suitable for sealed hard floors, while the average steam cleaner is suitable for the same use.
  • No swivel / flexible floor head
    Polti StainOver SC20 does not have a swivel or flexible floor head, while the average steam cleaner does.
  • 1 fewer accessories
    Polti StainOver SC20 includes fewer accessories than the average steam cleaner (9 vs 10).
  • 1 fewer mop pads
    Polti StainOver SC20 includes fewer mop pads than the average steam cleaner (0 vs 1).
  • 2 kg heavier
    Polti StainOver SC20 weighs more than the average steam cleaner (6 kg vs 4 kg).
  • 69.5 mm deeper
    Polti StainOver SC20 is deeper than the average steam cleaner (390 mm vs 320.5 mm).
  • No adjustable steam output
    Polti StainOver SC20 does not have adjustable steam output, while the average steam cleaner does.
    What it is: Shows whether the steam cleaner has adjustable steam output.
    When it matters: This matters when you compare steam cleaners by adjustable steam output.

    Importance: MEDIUM

    Polti StainOver SC20 does not have adjustable steam output, while the average steam cleaner does.
  • Not suitable for sealed hard floors
    Polti StainOver SC20 is not suitable for sealed hard floors, while the average steam cleaner is suitable for the same use.
    What it is: Shows whether the steam cleaner has suitable for sealed hard floors.
    When it matters: This matters when you compare steam cleaners by suitable for sealed hard floors.

    Importance: MEDIUM

    Polti StainOver SC20 is not suitable for sealed hard floors, while the average steam cleaner is suitable for the same use.
  • 2 kg heavier
    Polti StainOver SC20 weighs more than the average steam cleaner (6 kg vs 4 kg).
    What it is: Measures the weight of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by weight.

    Importance: MEDIUM

    Polti StainOver SC20 weighs more than the average steam cleaner (6 kg vs 4 kg).6 kg vs 4 kg
  • No swivel / flexible floor head
    Polti StainOver SC20 does not have a swivel or flexible floor head, while the average steam cleaner does.
    What it is: Shows whether the steam cleaner has swivel / flexible floor head.
    When it matters: This matters when you compare steam cleaners by swivel / flexible floor head.

    Importance: LOW

    Polti StainOver SC20 does not have a swivel or flexible floor head, while the average steam cleaner does.
  • 0.4 m shorter hose
    Polti StainOver SC20 has a shorter hose than the average steam cleaner (1.6 m vs 2 m).
    What it is: Measures the hose length of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by hose length.

    Importance: MEDIUM

    Polti StainOver SC20 has a shorter hose than the average steam cleaner (1.6 m vs 2 m).1.6 m vs 2 m
  • 1 fewer accessories
    Polti StainOver SC20 includes fewer accessories than the average steam cleaner (9 vs 10).
    What it is: Measures the accessory count of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by accessory count.

    Importance: MEDIUM

    Polti StainOver SC20 includes fewer accessories than the average steam cleaner (9 vs 10).9 vs 10
  • 69.5 mm deeper
    Polti StainOver SC20 is deeper than the average steam cleaner (390 mm vs 320.5 mm).
    What it is: Measures the depth of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by depth.

    Importance: LOW

    Polti StainOver SC20 is deeper than the average steam cleaner (390 mm vs 320.5 mm).390 mm vs 320.5 mm
  • 1 fewer mop pads
    Polti StainOver SC20 includes fewer mop pads than the average steam cleaner (0 vs 1).
    What it is: Measures the mop pads included of the steam cleaner.
    When it matters: This matters when you compare steam cleaners by mop pads included.

    Importance: LOW

    Polti StainOver SC20 includes fewer mop pads than the average steam cleaner (0 vs 1).0 vs 1
Total
Overall
Performance
Tank
Versatility
Accessories
Design

Graphic comparison of Polti StainOver SC20 and other products in the Steam Cleaners category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
4.8
8 Reviews

(Reviews last updated: August 2026)

What customers like about Polti StainOver SC20?

  • Versatile 4-in-1 functionality offering cold water + suction, hot water + suction, steam + suction, and standalone steam cleaner modes.
  • Eco-friendly deep cleaning using SteamActive technology to dissolve stains and grime effectively without requiring chemical detergents.
  • Excellent sanitization performance that removes up to 99.999% of bacteria, germs, and fungi from upholstery and home surfaces.
  • Highly effective for pet owners by easily eliminating pet hair, tough stains, and deep-seated odors in a single pass.
  • Perfect for car interior cleaning, easily lifting solid dirt and spilled liquids from car seats, floor mats, and trunks.
  • Generous accessory bundle including 9 practical attachments to switch smoothly between different surface cleaning jobs.
  • User-friendly design equipped with a multilingual voice guide, clear LED control display, and smooth-rolling castor wheels.

What customers dislike about Polti StainOver SC20?

  • Strict restriction against using any additives, fragrances, or chemical detergents, allowing only standard tap water.
  • Noticeable operating noise level due to the strong built-in vacuum suction unit.
  • Power cable length can feel restrictive when cleaning large rooms or far away from a wall outlet.
  • Initial learning curve required to master switching and managing the 4 distinct operational modes.
  • Potential customer service delays and slower warranty repair turnaround times reported with the parent brand.

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