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H.Koenig NV680 Review | 48 Data compared

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  • Avg. price in UK: ~£35
  • Avg. price in US: ~$40
  • Steam pressure: 3.5 bar
  • Water tank capacity: 400 ml
  • Heat-up time: 180 seconds
  • Power rating: 1,200 W
  • Weight: 1.3 kg

H.Koenig NV680 review. Compare 48 technical specifications and user reviews to see how this product ranks in the Portable Steam Cleaners category and whether it is worth buying.

7.0

Overall score

What it is: An overall evaluation of products in the Portable 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 Portable Steam Cleaners category.

Score components:

80.0%

6.8

Technical Score

20.0%

7.6

User score

Very good
6.8

Technical Score

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

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

Score components:

65.0%

6.4

Performance

15.0%

6.5

Tank

10.0%

9.0

Accessories

6.0%

7.4

Portability

4.0%

8.0

Safety

Good
7.6

User score

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

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

Score components:

70.0%

8.4

User reviews

30.0%

5.7

Popularity

User score:
United Kingdom
amazon
4.2
(181)

(Reviews last updated: August 2026)

Very good
  • 6.6
    Deep cleaning

    Score components:

    35.0%

    10

    Steam pressure

    25.0%

    1.5

    Steam temperature

    20.0%

    10

    Power rating

    20.0%

    3.6

    Continuous steam time

  • 10
    Versatile cleaning

    Score components:

    30.0%

    10

    Accessory count

    20.0%

    10

    Extension hose included

    20.0%

    10

    Upholstery / fabric tool

    15.0%

    10

    Window squeegee

    15.0%

    10

    Floor-cleaning kit included

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Best prices in UK

Best rankings

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

Verdict

The H.Koenig NV680 is a portable handheld steam cleaner featuring a 1200W motor, a 3.5 bar steam pressure rating, and a continuous steam flow of 40 g/min that reaches temperatures up to 102°C to eliminate 99.99% of bacteria without chemicals. Its primary advantages include a fast 3-to-5-minute heat-up time, an eco-friendly multi-surface cleaning capability across tiles, textiles, and glass, and high versatility provided by its lightweight 1.3 kg frame, 3-meter power cable, and 13 included accessories like extension tubes and nylon brushes. However, its main disadvantages are a relatively limited 400 mL water tank capacity that reduces continuous runtime and requires frequent refills during larger tasks, alongside initial water sputtering if overfilled.

Technical Specifications of portable steam cleaner H.Koenig NV680

Technical Score

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

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

Score components:

65.0%

6.4

Performance

15.0%

6.5

Tank

10.0%

9.0

Accessories

6.0%

7.4

Portability

4.0%

8.0

Safety

6.8
H.Koenig NV680 has a technical score of 6.83 points, which is higher than 69.2% 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 Portable Steam Cleaners category.

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

Score components:

70.0%

8.4

User reviews

30.0%

5.7

Popularity

User score:
United Kingdom
amazon
4.2
(181)

(Reviews last updated: August 2026)

7.6
H.Koenig NV680 has a user score of 7.58 points, which is lower than 70.5% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Portable Steam Cleaners category.
When it matters: When you prefer products in the Portable Steam Cleaners category that have been chosen and reviewed by many other buyers.
5.7
H.Koenig NV680 has a popularity of 5.7 points, which is higher than 55.1% of products in this category.
Ratio quality/price

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

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

Score components:

60.0%

7.0

Overall score

40.0%

9.3

Price

7.7
H.Koenig NV680 has a quality-to-price ratio of 7.7 points, which is higher than 73.1% of products in this category.
Steam pressure
What it is: Shows the steam pressure of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: HIGH

Good value: At least 3 bar

3.5 bar
H.Koenig NV680 has a steam pressure of 3.5 bar, which is higher than that of 72.9% of portable steam cleaners and matches that of 14.3% of portable steam cleaners.
Steam temperature
What it is: Shows the steam temperature of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: HIGH

Good value: At least 100 °C

102 °C
H.Koenig NV680 has a steam temperature of 102 °C, which is lower than that of 80.7% of portable steam cleaners.
Heat-up time
What it is: Shows the heat-up time of the portable steam cleaner.
When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

Importance: HIGH

Good value: Up to 180 seconds

180 seconds
H.Koenig NV680 has a heat-up time of 180 seconds, which is shorter than that of 13.7% of portable steam cleaners and matches that of 58.9% of portable steam cleaners.
Continuous steam time
What it is: Shows the continuous steam time of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: HIGH

Good value: At least 8 minutes

10 minutes
H.Koenig NV680 has a continuous steam time of 10 minutes, which is longer than that of 23.5% of portable steam cleaners and matches that of 30.9% of portable steam cleaners.
Steam flow rate
What it is: Shows the steam flow rate of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: HIGH

Good value: At least 25 g/min

40 g/min
H.Koenig NV680 has a steam flow rate of 40 g/min, which is higher than that of 85.7% of portable steam cleaners and matches that of 7.1% of portable steam cleaners.
Show more
Power rating
What it is: Shows the power rating of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: MEDIUM

Good value: At least 1000 W

1,200 W
H.Koenig NV680 has a power rating of 1200 W, which is higher than that of 81.6% of portable steam cleaners and matches that of 7.9% of portable steam cleaners.
Water tank capacity
What it is: Shows the water tank capacity of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: MEDIUM

Good value: At least 250 ml

400 ml
H.Koenig NV680 has a water tank capacity of 400 ml, which is larger than that of 82.9% of portable steam cleaners and matches that of 4% of portable steam cleaners.
Boiler capacity
What it is: Shows the boiler capacity of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: LOW

Good value: At least 250 ml

400 ml
H.Koenig NV680 has a boiler capacity of 400 ml, which is larger than that of 83.1% of portable steam cleaners and matches that of 4.2% of portable steam cleaners.
Water fill method
What it is: Shows how the portable steam cleaner is refilled with water.
When it matters: It matters if you prefer a simpler or more convenient way to refill the tank.

Importance: LOW

safety cap
Power cord length
What it is: Shows the power cord length of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: MEDIUM

Good value: At least 3 m

3 m
H.Koenig NV680 has a power cord length of 3 m, which is longer than that of 18.1% of portable steam cleaners and matches that of 43.1% of portable steam cleaners.
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Accessory count
What it is: Shows the accessory count of the portable steam cleaner.
When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

Importance: LOW

Good value: At least 8 accessories

13
H.Koenig NV680 includes 13 accessories, which is more than that of 95.7% of portable steam cleaners and matches that of 1.4% of portable steam cleaners.
Extension hose included
What it is: Shows whether the portable steam cleaner comes with extension hose.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 includes extension hose.
Concentrator / jet nozzle
What it is: Shows whether the portable steam cleaner has jet nozzle.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 includes jet nozzle.
Detail brushes included
What it is: Shows whether the portable steam cleaner comes with detail brushes.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 includes detail brushes.
Brass brush included
What it is: Shows whether the portable steam cleaner comes with brass brush.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

no
H.Koenig NV680 does not include brass brush.
The kit lists a steel or metal brush rather than a brass brush.
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Weight
What it is: Shows the weight of the portable steam cleaner.
When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

Importance: LOW

Good value: Up to 2 kg

1.3 kg
H.Koenig NV680 weighs 1.3 kg, which is lighter than that of 76.4% of portable steam cleaners and matches that of 4.2% of portable steam cleaners.
Width
What it is: Shows the width of the portable steam cleaner.
When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

Importance: LOW

Good value: Up to 300 mm

130 mm
H.Koenig NV680 is 130 mm wide, which is narrower than that of 70.8% of portable steam cleaners and matches that of 7.7% of portable steam cleaners.
Height
What it is: Shows the height of the portable steam cleaner.
When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

Importance: LOW

Good value: Up to 250 mm

315 mm
H.Koenig NV680 is 315 mm tall, which is taller than that of 90.1% of portable steam cleaners and matches that of 1.4% of portable steam cleaners.
Depth
What it is: Shows the depth of the portable steam cleaner.
When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

Importance: LOW

Good value: Up to 180 mm

230 mm
H.Koenig NV680 is 230 mm deep, which is shallower than that of 47.3% of portable steam cleaners and matches that of 5.4% of portable steam cleaners.
Carry handle
What it is: Shows whether the portable steam cleaner has carry handle.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 has carry handle.
Show more
Child safety lock
What it is: Shows whether the portable steam cleaner has child safety lock.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 has child safety lock.
Safety valve / safety cap
What it is: Shows whether the portable steam cleaner has safety valve / cap.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 has safety valve / cap.
Trigger lock / continuous steam lock
What it is: Shows whether the portable steam cleaner has trigger lock for continuous steam.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

yes
H.Koenig NV680 has trigger lock for continuous steam.
The trigger can be latched for hands-free continuous steam.
Auto shut-off
What it is: Shows whether the portable steam cleaner has auto shut-off.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

no
H.Koenig NV680 does not have auto shut-off.
Descaling system
What it is: Shows whether the portable steam cleaner has descaling system.
When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

Importance: LOW

no
H.Koenig NV680 does not have descaling system.
Show more

H.Koenig NV680 vs the average portable steam cleaner

  • 0.3 bar stronger steam pressure
    H.Koenig NV680 offers stronger steam pressure than the average portable steam cleaner (3.5 bar vs 3.2 bar).
    What it is: Shows the steam pressure of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: HIGH

    Good value: At least 3 bar

    H.Koenig NV680 offers stronger steam pressure than the average portable steam cleaner (3.5 bar vs 3.2 bar).3.5 bar vs 3.2 bar
  • 10 g/min stronger steam flow
    H.Koenig NV680 offers stronger steam flow than the average portable steam cleaner (40 g/min vs 30 g/min).
    What it is: Shows the steam flow rate of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: HIGH

    Good value: At least 25 g/min

    H.Koenig NV680 offers stronger steam flow than the average portable steam cleaner (40 g/min vs 30 g/min).40 g/min vs 30 g/min
  • 150 W more power
    H.Koenig NV680 offers more power than the average portable steam cleaner (1200 W vs 1050 W).
    What it is: Shows the power rating of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: MEDIUM

    Good value: At least 1000 W

    H.Koenig NV680 offers more power than the average portable steam cleaner (1200 W vs 1050 W).1200 W vs 1050 W
  • 50 ml larger water tank
    H.Koenig NV680 offers larger water tank than the average portable steam cleaner (400 ml vs 350 ml).
    What it is: Shows the water tank capacity of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: MEDIUM

    Good value: At least 250 ml

    H.Koenig NV680 offers larger water tank than the average portable steam cleaner (400 ml vs 350 ml).400 ml vs 350 ml
  • 4 more accessories
    H.Koenig NV680 offers more accessories than the average portable steam cleaner (13 vs 9).
    What it is: Shows the accessory count of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: LOW

    Good value: At least 8 accessories

    H.Koenig NV680 offers more accessories than the average portable steam cleaner (13 vs 9).13 vs 9
  • Floor-cleaning kit included
    H.Koenig NV680 includes floor-cleaning kit, the average portable steam cleaner does not.
    What it is: Shows whether the portable steam cleaner comes with floor-cleaning kit.
    When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

    Importance: LOW

    H.Koenig NV680 includes floor-cleaning kit, the average portable steam cleaner does not.
  • 3 more tube extensions
    H.Koenig NV680 offers more tube extensions than the average portable steam cleaner (3 vs 0).
    What it is: Shows the n. of tube extensions of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: LOW

    Good value: At least 2 extensions

    H.Koenig NV680 offers more tube extensions than the average portable steam cleaner (3 vs 0).3 vs 0
  • 50 ml larger boiler capacity
    H.Koenig NV680 offers larger boiler capacity than the average portable steam cleaner (400 ml vs 350 ml).
    What it is: Shows the boiler capacity of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: LOW

    Good value: At least 250 ml

    H.Koenig NV680 offers larger boiler capacity than the average portable steam cleaner (400 ml vs 350 ml).400 ml vs 350 ml
  • 0.3 bar stronger steam pressure
    H.Koenig NV680 offers stronger steam pressure than the average portable steam cleaner (3.5 bar vs 3.2 bar).
  • 10 g/min stronger steam flow
    H.Koenig NV680 offers stronger steam flow than the average portable steam cleaner (40 g/min vs 30 g/min).
  • 150 W more power
    H.Koenig NV680 offers more power than the average portable steam cleaner (1200 W vs 1050 W).
  • 50 ml larger water tank
    H.Koenig NV680 offers larger water tank than the average portable steam cleaner (400 ml vs 350 ml).
  • 50 ml larger boiler capacity
    H.Koenig NV680 offers larger boiler capacity than the average portable steam cleaner (400 ml vs 350 ml).
  • 4 more accessories
    H.Koenig NV680 offers more accessories than the average portable steam cleaner (13 vs 9).
  • Floor-cleaning kit included
    H.Koenig NV680 includes floor-cleaning kit, the average portable steam cleaner does not.
  • 3 more tube extensions
    H.Koenig NV680 offers more tube extensions than the average portable steam cleaner (3 vs 0).
  • Floor brush included
    H.Koenig NV680 includes floor brush, the average portable steam cleaner does not.
  • 1 more floor-brush cloths
    H.Koenig NV680 offers more floor-brush cloths than the average portable steam cleaner (1 vs 0).
  • 0.38 kg lighter weight
    H.Koenig NV680 offers lighter weight than the average portable steam cleaner (1.3 kg vs 1.68 kg).
  • 15 mm narrower body
    H.Koenig NV680 offers narrower body than the average portable steam cleaner (130 mm vs 145 mm).
  • Trigger lock for continuous steam
    H.Koenig NV680 has trigger lock for continuous steam, the average portable steam cleaner does not.

Total
Overall
Performance
Tank
Accessories
Portability
Safety
  • 8 °C cooler steam
    H.Koenig NV680 offers cooler steam than the average portable steam cleaner (102 °C vs 110 °C).
  • No funnel
    H.Koenig NV680 does not include funnel, the average portable steam cleaner does.
  • 49 mm taller height
    H.Koenig NV680 offers taller height than the average portable steam cleaner (315 mm vs 266 mm).
  • No auto shut-off
    H.Koenig NV680 does not have auto shut-off, the average portable steam cleaner does.
  • 8 °C cooler steam
    H.Koenig NV680 offers cooler steam than the average portable steam cleaner (102 °C vs 110 °C).
    What it is: Shows the steam temperature of the portable steam cleaner.
    When it matters: It matters if you want stronger performance, better reach, or more flexibility in use.

    Importance: HIGH

    Good value: At least 100 °C

    H.Koenig NV680 offers cooler steam than the average portable steam cleaner (102 °C vs 110 °C).102 °C vs 110 °C
  • No auto shut-off
    H.Koenig NV680 does not have auto shut-off, the average portable steam cleaner does.
    What it is: Shows whether the portable steam cleaner has auto shut-off.
    When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

    Importance: LOW

    H.Koenig NV680 does not have auto shut-off, the average portable steam cleaner does.
  • No funnel
    H.Koenig NV680 does not include funnel, the average portable steam cleaner does.
    What it is: Shows whether the portable steam cleaner comes with funnel.
    When it matters: It matters if this feature changes convenience, versatility, safety, or ease of use.

    Importance: LOW

    H.Koenig NV680 does not include funnel, the average portable steam cleaner does.
  • 49 mm taller height
    H.Koenig NV680 offers taller height than the average portable steam cleaner (315 mm vs 266 mm).
    What it is: Shows the height of the portable steam cleaner.
    When it matters: It matters if you want quicker handling, a faster start, or a more compact design.

    Importance: LOW

    Good value: Up to 250 mm

    H.Koenig NV680 offers taller height than the average portable steam cleaner (315 mm vs 266 mm).315 mm vs 266 mm
  • 5.5% lower user score
    H.Koenig NV680 has a lower user score than the average portable steam cleaner (7.58 vs 8).
    What it is: A rating that combines user reviews with the total review volume for products in the Portable Steam Cleaners category.
    When it matters: When you want to know how products in the Portable Steam Cleaners category perform in everyday use and how reliable owners find them over time.
    H.Koenig NV680 has a lower user score than the average portable steam cleaner (7.58 vs 8).7.58 vs 8
Total
Overall
Performance
Accessories
Portability
Safety

Graphic comparison of H.Koenig NV680 and other products in the Portable Steam Cleaners category

Attribute category
Attribute
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Third-party reviews

United Kingdom
amazon
4.2
181 Reviews

(Reviews last updated: August 2026)

What customers like about H.Koenig NV680?

  • Heats up quickly, generating strong, continuous steam within 3 to 5 minutes
  • Chemical-free cleaning capable of tackling stubborn grease and everyday dirt
  • Comes with a generous assortment of 13 accessories for different surfaces
  • Compact and lightweight, making it highly maneuverable and easy to store
  • Effective at cleaning hard-to-reach areas, including grout lines, tiles, and window edges

What customers dislike about H.Koenig NV680?

  • The 400 ml water tank capacity requires frequent refilling during long cleaning sessions
  • Some users find the power cord too short, requiring the use of an extension lead
  • The weight of the unit can cause some hand fatigue during prolonged, continuous use
  • Cool down time is required before the water tank can be safely refilled

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