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Sharp QW-NA1DF45EI Review | 59 Data compared

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  • Avg. price in UK: ~£350
  • Avg. price in US: ~$440
  • No. of place settings: 15
  • Energy efficiency class: E
  • Noise level: 45 dB
  • Overflow protection: yes
  • Height adjustable top basket: yes

Sharp QW-NA1DF45EI review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

6.0

Overall score

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

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

Score components:

80.0%

7.0

Technical Score

20.0%

1.7

User score

Good
7.0

Technical Score

What it is: An assessment of technical performance for products in the Dishwashers category across these key areas: Performance, Programmes, Features, Design.

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

Score components:

35.0%

6.8

Performance

30.0%

6.1

Features

25.0%

8.6

Programmes

10.0%

6.7

Design

Very good
1.7

User score

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

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

Score components:

70.0%

2.0

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
1.0
(1)

(Reviews last updated: August 2026)

Very poor
  • 5.7
    Efficient operation

    Score components:

    35.0%

    1.0

    Energy consumption per cycle

    25.0%

    10

    Water usage per cycle

    20.0%

    6.0

    Energy efficiency class

    10.0%

    6.1

    Noise level

    10.0%

    10

    No. of place settings

  • 6.0
    Quiet operation

    Score components:

    45.0%

    6.1

    Noise level

    20.0%

    6.0

    Noise emission class

    15.0%

    6.0

    Energy efficiency class

    10.0%

    1.0

    Energy consumption per cycle

    10.0%

    10

    No. of place settings

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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 SHARP QW-NA1DF45EI is a full-size, 60 cm freestanding stainless steel dishwasher designed with a generous 15 place setting capacity and a 3-basket system featuring an adjustable upper rack. Key specifications include 5 wash programs (Eco 50°C, Express 50min, Hygiene, Intensive 65°C, and Quick), a 45 dB noise rating, a 9-liter water consumption rate per eco cycle, an LED/graphic display with touch controls, a 24-hour delay timer, and a Microban antibacterial filter system paired with active turbo fan drying. Main advantages include its exceptionally spacious interior with flexible loading, highly efficient water usage, a very quiet operational profile, and dedicated hygiene options. On the downside, its lower 'E' energy efficiency rating under revised standards leads to a higher consumption of 97 kWh per 100 cycles, and some users note that very tall plates must be angled or carefully placed to avoid striking the spray arms.

Technical Specifications of dishwasher Sharp QW-NA1DF45EI

Technical Score

What it is: An assessment of technical performance for products in the Dishwashers category across these key areas: Performance, Programmes, Features, Design.

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

Score components:

35.0%

6.8

Performance

30.0%

6.1

Features

25.0%

8.6

Programmes

10.0%

6.7

Design

7.0
Sharp QW-NA1DF45EI has a technical score of 7.05 points, which is lower than 79.2% 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 Dishwashers category.

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

Score components:

70.0%

2.0

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
1.0
(1)

(Reviews last updated: August 2026)

1.7
Sharp QW-NA1DF45EI has a user score of 1.7 points, which is lower than 99.4% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Dishwashers category.
When it matters: When you prefer products in the Dishwashers category that have been chosen and reviewed by many other buyers.
1.0
Sharp QW-NA1DF45EI has a popularity of 1 points, which is higher than 0% of products in this category.
Ratio quality/price

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

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

Score components:

60.0%

6.0

Overall score

40.0%

8.7

Price

6.8
Sharp QW-NA1DF45EI has a quality-to-price ratio of 6.8 points, which is lower than 97.8% of products in this category.
Energy efficiency class
What it is: This attribute refers to Energy efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: HIGH

E
Sharp QW-NA1DF45EI has energy efficiency class E, which is worse than that of 67.6% of dishwashers and equal to that of 26.5% of dishwashers.
Washing efficiency class
What it is: This attribute refers to Washing efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

A
Sharp QW-NA1DF45EI has washing efficiency class A, which is better than that of 1.1% of dishwashers and equal to that of 98.9% of dishwashers.
Drying efficiency class
What it is: This attribute refers to Drying efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

A
Sharp QW-NA1DF45EI has drying efficiency class A, which is better than that of 1.1% of dishwashers and equal to that of 98.9% of dishwashers.
Noise emission class
What it is: This attribute refers to Noise emission class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

C
Sharp QW-NA1DF45EI has noise emission class C, which is worse than that of 55.5% of dishwashers and equal to that of 40.4% of dishwashers.
Energy consumption per cycle
What it is: This attribute refers to Energy consumption per cycle.
When it matters: This matters if you want to compare Energy consumption per cycle across dishwashers.

Importance: HIGH

0.97 kWh
Sharp QW-NA1DF45EI uses 0.97 kWh per cycle, which is higher than that of 97.2% of dishwashers and equal to that of 0.2% of dishwashers.
Show more
No. of wash programs
What it is: This attribute refers to No. of wash programs.
When it matters: This matters if you want to compare No. of wash programs across dishwashers.

Importance: MEDIUM

5
Sharp QW-NA1DF45EI offers 5 wash programs, which is fewer than that of 78% of dishwashers and equal to that of 18.8% of dishwashers.
Quick wash program
What it is: This attribute shows whether the dishwasher has Quick wash program.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

yes
Sharp QW-NA1DF45EI has a quick wash program. This feature is present in 99.6% of dishwashers.
Quick wash time
What it is: This attribute refers to Quick wash time.
When it matters: This matters if you want to compare Quick wash time across dishwashers.

Importance: MEDIUM

30 min
Sharp QW-NA1DF45EI completes its quick wash in 30 min, which is shorter than that of 33.9% of dishwashers and equal to that of 43.6% of dishwashers.
Eco wash time
What it is: This attribute refers to Eco wash time.
When it matters: This matters if you want to compare Eco wash time across dishwashers.

Importance: MEDIUM

198 min
Sharp QW-NA1DF45EI completes its Eco wash in 198 min, which is shorter than that of 87% of dishwashers and equal to that of 0.9% of dishwashers.
Delicate wash program
What it is: This attribute shows whether the dishwasher has Delicate wash program.
When it matters: This matters if you specifically want this feature.

Importance: LOW

no
Sharp QW-NA1DF45EI does not have a delicate wash program. This feature is present in 60% of dishwashers.
Show more
Automatic door opening
What it is: This attribute shows whether the dishwasher has Automatic door opening.
When it matters: This matters if you specifically want this feature.

Importance: HIGH

no
Sharp QW-NA1DF45EI does not have an automatic door-opening feature. This feature is present in 65.8% of dishwashers.
Touch screen
What it is: This attribute shows whether the dishwasher has Touch screen.
When it matters: This matters if you specifically want this feature.

Importance: LOW

no
Sharp QW-NA1DF45EI does not have a touch screen. This feature is present in 10.2% of dishwashers.
Load sensor
What it is: This attribute shows whether the dishwasher has Load sensor.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

no
Sharp QW-NA1DF45EI does not have a load sensor. This feature is present in 69.7% of dishwashers.
Overflow protection
What it is: This attribute shows whether the dishwasher has Overflow protection.
When it matters: This matters if you specifically want this feature.

Importance: HIGH

yes
Sharp QW-NA1DF45EI has overflow protection. This feature is present in 97.1% of dishwashers.
Adjustable water softener
What it is: This attribute shows whether the dishwasher has Adjustable water softener.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

yes
Sharp QW-NA1DF45EI has an adjustable water softener. This feature is present in 99% of dishwashers.
Show more
Type of installation
What it is: This attribute refers to Type of installation.
When it matters: This matters if you have a preference for this specification.

Importance: LOW

freestanding
No. of place settings
What it is: This attribute refers to No. of place settings.
When it matters: This matters if you want to compare No. of place settings across dishwashers.

Importance: MEDIUM

15
Sharp QW-NA1DF45EI holds 15 place settings, which is more than that of 88.7% of dishwashers and equal to that of 5.9% of dishwashers.
Cutlery basket
What it is: This attribute shows whether the dishwasher has Cutlery basket.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Sharp QW-NA1DF45EI has a cutlery basket. This feature is present in 58.4% of dishwashers.
Height adjustable top basket
What it is: This attribute shows whether the dishwasher has Height adjustable top basket.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Sharp QW-NA1DF45EI has a height-adjustable top basket. This feature is present in 93% of dishwashers.
Digital display
What it is: This attribute shows whether the dishwasher has Digital display.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Sharp QW-NA1DF45EI has a digital display. This feature is present in 90.3% of dishwashers.
Show more

Sharp QW-NA1DF45EI vs the average dishwasher

  • Has a hygiene programme
    Sharp QW-NA1DF45EI has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
    What it is: This attribute shows whether the dishwasher has Hygiene programme.
    When it matters: This matters if you specifically want this feature.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
  • 37 min shorter Eco wash time
    Sharp QW-NA1DF45EI finishes the Eco wash sooner than the average dishwasher (198 min vs 235 min).
    What it is: This attribute refers to Eco wash time.
    When it matters: This matters if you want to compare Eco wash time across dishwashers.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI finishes the Eco wash sooner than the average dishwasher (198 min vs 235 min).198 min vs 235 min
  • Has a pause option
    Sharp QW-NA1DF45EI has a pause option, while the average dishwasher does not have a pause option. 43.6% of dishwashers have a pause option.
    What it is: This attribute shows whether the dishwasher has Pause option.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Sharp QW-NA1DF45EI has a pause option, while the average dishwasher does not have a pause option. 43.6% of dishwashers have a pause option.
  • Has a program sequence indicator
    Sharp QW-NA1DF45EI has a program sequence indicator, while the average dishwasher does not have a program sequence indicator. 17.8% of dishwashers have a program sequence indicator.
    What it is: This attribute shows whether the dishwasher has Program sequence indicator.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Sharp QW-NA1DF45EI has a program sequence indicator, while the average dishwasher does not have a program sequence indicator. 17.8% of dishwashers have a program sequence indicator.
  • 0.5 L lower water usage per cycle
    Sharp QW-NA1DF45EI uses less water per cycle than the average dishwasher (9 L vs 9.5 L).
    What it is: This attribute refers to Water usage per cycle.
    When it matters: This matters if you want to compare Water usage per cycle across dishwashers.

    Importance: HIGH

    Sharp QW-NA1DF45EI uses less water per cycle than the average dishwasher (9 L vs 9.5 L).9 L vs 9.5 L
  • 1 more place settings
    Sharp QW-NA1DF45EI holds more place settings than the average dishwasher (15 vs 14).
    What it is: This attribute refers to No. of place settings.
    When it matters: This matters if you want to compare No. of place settings across dishwashers.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI holds more place settings than the average dishwasher (15 vs 14).15 vs 14
  • 140 L/year lower annual water consumption
    Sharp QW-NA1DF45EI uses less water annually than the average dishwasher (2520 L/year vs 2660 L/year).
    What it is: This attribute refers to Annual water consumption.
    When it matters: This matters if you want to compare Annual water consumption across dishwashers.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI uses less water annually than the average dishwasher (2520 L/year vs 2660 L/year).2520 L/year vs 2660 L/year
  • 0.15 m longer cable length
    Sharp QW-NA1DF45EI has a longer cable than the average dishwasher (1.7 m vs 1.5 m).
    What it is: This attribute refers to Cable length.
    When it matters: This matters if you want to compare Cable length across dishwashers.

    Importance: LOW

    Sharp QW-NA1DF45EI has a longer cable than the average dishwasher (1.7 m vs 1.5 m).1.65 m vs 1.5 m
  • 0.5 L lower water usage per cycle
    Sharp QW-NA1DF45EI uses less water per cycle than the average dishwasher (9 L vs 9.5 L).
  • 140 L/year lower annual water consumption
    Sharp QW-NA1DF45EI uses less water annually than the average dishwasher (2520 L/year vs 2660 L/year).
  • Has a hygiene programme
    Sharp QW-NA1DF45EI has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
  • 37 min shorter Eco wash time
    Sharp QW-NA1DF45EI finishes the Eco wash sooner than the average dishwasher (198 min vs 235 min).
  • Has a pause option
    Sharp QW-NA1DF45EI has a pause option, while the average dishwasher does not have a pause option. 43.6% of dishwashers have a pause option.
  • Has a program sequence indicator
    Sharp QW-NA1DF45EI has a program sequence indicator, while the average dishwasher does not have a program sequence indicator. 17.8% of dishwashers have a program sequence indicator.
  • 1 more place settings
    Sharp QW-NA1DF45EI holds more place settings than the average dishwasher (15 vs 14).
  • 0.15 m longer cable length
    Sharp QW-NA1DF45EI has a longer cable than the average dishwasher (1.7 m vs 1.5 m).

Total
Overall
Performance
Programmes
Design
  • 0.22 kWh higher energy consumption per cycle
    Sharp QW-NA1DF45EI uses more energy per cycle than the average dishwasher (1 kWh vs 0.75 kWh).
  • Worse noise emission class
    Sharp QW-NA1DF45EI has a worse noise emission class than the average dishwasher (C vs B).
  • Worse energy efficiency class
    Sharp QW-NA1DF45EI has a worse energy efficiency class than the average dishwasher (E vs D).
  • 5 °C lower maximum cleaning temperature
    Sharp QW-NA1DF45EI reaches a lower cleaning temperature than the average dishwasher (65 °C vs 70 °C).
  • 1 fewer wash temperatures
    Sharp QW-NA1DF45EI offers fewer wash temperatures than the average dishwasher (3 vs 4).
  • 1 dB higher noise level
    Sharp QW-NA1DF45EI has a higher noise level than the average dishwasher (45 dB vs 44 dB).
  • Does not have a delicate wash program
    Sharp QW-NA1DF45EI does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a delicate wash program.
  • Does not have a quiet wash program
    Sharp QW-NA1DF45EI does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
  • 1 fewer wash programs
    Sharp QW-NA1DF45EI offers fewer wash programs than the average dishwasher (5 vs 6).
  • Does not have an automatic door-opening feature
    Sharp QW-NA1DF45EI does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
  • Does not have a load sensor
    Sharp QW-NA1DF45EI does not have a load sensor, while the average dishwasher has a load sensor. 69.6% of dishwashers have a load sensor.
  • 3 cm taller height
    Sharp QW-NA1DF45EI is taller than the average dishwasher (85 cm vs 82 cm).
  • 13.9 kg heavier weight
    Sharp QW-NA1DF45EI is heavier than the average dishwasher (53 kg vs 39.1 kg).
  • 3.8 cm deeper depth
    Sharp QW-NA1DF45EI is deeper than the average dishwasher (59.8 cm vs 56 cm).
  • 0.05 m shorter supply hose length
    Sharp QW-NA1DF45EI has a shorter supply hose than the average dishwasher (1.5 m vs 1.55 m).
  • Does not have an automatic door-opening feature
    Sharp QW-NA1DF45EI does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
    What it is: This attribute shows whether the dishwasher has Automatic door opening.
    When it matters: This matters if you specifically want this feature.

    Importance: HIGH

    Sharp QW-NA1DF45EI does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
  • 0.22 kWh higher energy consumption per cycle
    Sharp QW-NA1DF45EI uses more energy per cycle than the average dishwasher (1 kWh vs 0.75 kWh).
    What it is: This attribute refers to Energy consumption per cycle.
    When it matters: This matters if you want to compare Energy consumption per cycle across dishwashers.

    Importance: HIGH

    Sharp QW-NA1DF45EI uses more energy per cycle than the average dishwasher (1 kWh vs 0.75 kWh).0.97 kWh vs 0.75 kWh
  • Does not have a load sensor
    Sharp QW-NA1DF45EI does not have a load sensor, while the average dishwasher has a load sensor. 69.6% of dishwashers have a load sensor.
    What it is: This attribute shows whether the dishwasher has Load sensor.
    When it matters: This matters if you specifically want this feature.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI does not have a load sensor, while the average dishwasher has a load sensor. 69.6% of dishwashers have a load sensor.
  • Does not have a delicate wash program
    Sharp QW-NA1DF45EI does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a delicate wash program.
    What it is: This attribute shows whether the dishwasher has Delicate wash program.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Sharp QW-NA1DF45EI does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a delicate wash program.
  • Worse noise emission class
    Sharp QW-NA1DF45EI has a worse noise emission class than the average dishwasher (C vs B).
    What it is: This attribute refers to Noise emission class.
    When it matters: This matters if you have a preference for this specification.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI has a worse noise emission class than the average dishwasher (C vs B).C vs B
  • Does not have a quiet wash program
    Sharp QW-NA1DF45EI does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
    What it is: This attribute shows whether the dishwasher has Quiet wash program.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Sharp QW-NA1DF45EI does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
  • Worse energy efficiency class
    Sharp QW-NA1DF45EI has a worse energy efficiency class than the average dishwasher (E vs D).
    What it is: This attribute refers to Energy efficiency class.
    When it matters: This matters if you have a preference for this specification.

    Importance: HIGH

    Sharp QW-NA1DF45EI has a worse energy efficiency class than the average dishwasher (E vs D).E vs D
  • 5 °C lower maximum cleaning temperature
    Sharp QW-NA1DF45EI reaches a lower cleaning temperature than the average dishwasher (65 °C vs 70 °C).
    What it is: This attribute refers to Max cleaning temperature.
    When it matters: This matters if you want to compare Max cleaning temperature across dishwashers.

    Importance: MEDIUM

    Sharp QW-NA1DF45EI reaches a lower cleaning temperature than the average dishwasher (65 °C vs 70 °C).65 °C vs 70 °C
Total
Overall
Performance
Programmes
Features
Design

Graphic comparison of Sharp QW-NA1DF45EI and other products in the Dishwashers category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
1.0
1 Reviews

(Reviews last updated: August 2026)

What customers like about Sharp QW-NA1DF45EI?

  • Large capacity accommodating 15 place settings
  • Quiet operation at 45 dB with QuietMode
  • Turbo Fan system ensures highly efficient drying performance
  • Flexible configuration with fully foldable racks and adjustable upper basket
  • Useful choice of wash programs including Eco 50°C and Express 50 min

What customers dislike about Sharp QW-NA1DF45EI?

  • Long cycle duration for the Eco wash program reaching nearly three hours
  • Unsatisfactory cleaning performance on heavily soiled items when using shorter rapid cycles
  • Potential stability issues where the bottom rack may tilt forward if front-loaded before the back
  • Known customer complaints regarding manufacturer warranty service responsiveness and engineer scheduling

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