The Most Energy-Efficient Dishwasher Brands In the UK – 2026

Want to lower your electricity bills without sacrificing sparkling clean dishes? These are the most energy-efficient dishwasher brands available in the UK today

By Diane Small

With energy prices remaining high across the UK, buying an energy-efficient dishwasher has never made more sense. While older dishwashers could consume well over 1.5 kWh of electricity per cycle, today’s best models use less than half that amount on their Eco programmes, helping households save hundreds of pounds over the appliance’s lifetime.

But energy efficiency isn’t just about electricity consumption. The best dishwashers also use less water, operate quietly, and clean dishes thoroughly without requiring long pre-rinses or repeat washes. Choosing the right brand can therefore reduce both your household bills and your environmental impact.

Fortunately, several energy-efficient dishwasher brands have made energy-saving technology a priority. Brands such as Bosch, Miele and Siemens now produce machines that combine exceptionally low electricity consumption with outstanding cleaning performance and impressive reliability.

In this guide, we’ve compared the UK’s leading dishwasher brands based on their energy efficiency, cleaning ability, running costs, noise levels and long-term dependability to help you choose the best model for your home.

At a Glance: The UK’s Most Energy-Efficient Dishwasher Brands

Brand	Typical Energy Rating	Eco Programme Energy Use*	Noise Level	Best For
Bosch	A–C	0.54–0.70 kWh	★★★★★	Overall performance
Miele	A–C	0.54–0.65 kWh	★★★★★	Longevity and premium quality
Siemens	B–C	0.60–0.72 kWh	★★★★★	Smart technology
NEFF	B–D	0.63–0.75 kWh	★★★★☆	Integrated kitchens
AEG	A–C	0.58–0.72 kWh	★★★★☆	Value for money

*Approximate Eco programme electricity consumption. Actual figures vary by model.

What Makes a Dishwasher Energy Efficient?

Many shoppers assume the dishwasher with the highest energy rating will automatically be the cheapest to run. While that’s generally true, there are several factors worth considering before making your purchase.

The most energy-efficient dishwashers minimise electricity consumption by heating less water, optimising spray patterns and extending wash times through specialised Eco programmes. Because heating water accounts for the majority of a dishwasher’s electricity usage, these longer cycles often use significantly less power than quick or intensive washes.

Water efficiency also plays an important role. Modern dishwashers typically use between 9 and 11 litres of water per Eco cycle, compared with 30–50 litres when washing the same number of dishes by hand under a running tap.

Noise levels are another consideration when washing dishes. Better insulated machines generally operate more quietly while also retaining heat more effectively, making them slightly more energy efficient.

Finally, build quality matters. A dishwasher that lasts 18 years is far more sustainable than one that needs replacing after seven or eight years, even if both use similar amounts of electricity.

Understanding UK Dishwasher Energy Ratings

Since 2021, all dishwashers sold in the UK have used the simplified A-to-G energy label.

Unlike the old system, which included confusing ratings such as A+++, the new labels are much stricter. As a result, even excellent dishwashers often receive B or C ratings.

When comparing appliances, pay attention to these figures:

Energy consumption per 100 Eco cycles
Water consumption per Eco cycle
Noise level (dB)
Capacity (place settings)

These measurements make it much easier to compare different models fairly.

Typical Annual Running Costs

Energy Rating	Estimated Electricity Cost Per Year*	Ideal For
A	Lowest	Large families
B	Very Low	Daily use
C	Low	Most households
D	Moderate	Budget-conscious buyers
E–G	Higher	Older or inexpensive models

*Estimated for households running approximately four cycles per week. Actual costs depend on electricity tariffs and usage.

How We Chose These Brands

Rather than simply looking at manufacturer claims, we considered several factors that matter to UK consumers:

Consistently low energy consumption across multiple dishwasher ranges
Excellent cleaning performance on Eco programmes
Low water usage
Quiet operation
Reliability and expected lifespan
Availability of replacement parts and servicing throughout the UK
Positive reviews from independent appliance experts and long-term owners

The brands below consistently performed well across all of these areas.

The 5 Most Energy-Efficient Dishwasher Brands

1. Bosch

Bosch has built an outstanding reputation for producing some of the most energy-efficient dishwashers available in the UK. Whether you’re shopping for an entry-level Series 2 model or a premium Series 8 machine, you’ll find excellent Eco programmes designed to minimise electricity and water consumption without compromising cleaning performance.

One reason Bosch consistently tops independent buying guides is its ability to balance efficiency with practicality. Many manufacturers can reduce energy use, but Bosch manages to do so while still delivering spotless dishes, excellent drying results and whisper-quiet operation.

Features such as EcoSilence Drive, LoadSensor and ActiveWater technology automatically adjust water usage depending on the size of each load. This means you never waste electricity washing only a few plates.

Bosch’s Eco programmes typically consume around 0.55–0.70 kWh per cycle depending on the model, making them among the cheapest dishwashers to run over the long term.

Owners also report excellent reliability, with many Bosch dishwashers continuing to perform well after more than a decade of regular use. Spare parts are widely available throughout the UK, helping extend the lifespan of the appliance even further.

Best for

Families
Daily use
Quiet kitchens
Long-term value

Pros

Outstanding energy efficiency
Excellent cleaning performance
Very quiet
Highly reliable
Widely available servicing

Cons

Premium models can be expensive
Basic models have fewer adjustable racks

2. Miele

If longevity is just as important to you as energy efficiency, it’s difficult to beat Miele.

The German manufacturer famously tests many of its appliances to simulate up to 20 years of household use, making Miele one of the longest-lasting dishwasher brands on the market.

Its latest dishwashers combine exceptional build quality with impressively low electricity consumption. Many full-size models use approximately 0.54–0.65 kWh during Eco programmes while also consuming very little water.

One standout feature is AutoOpen drying, which automatically opens the dishwasher door at the end of a cycle. Allowing dishes to dry naturally reduces the need for electric heating during the drying process, further lowering overall energy use.

Miele’s sophisticated sensors also detect how dirty your dishes are and automatically adjust water temperature, cycle duration and electricity usage accordingly.

Although Miele dishwashers are among the most expensive to purchase, many owners find that their longevity offsets the higher initial investment. Buying one appliance that lasts nearly two decades can often be cheaper—and considerably more sustainable—than replacing two or three lower-quality machines over the same period.

Best for

Premium kitchens
Long-term ownership
Sustainability
Quiet operation

Pros

Exceptional build quality
Extremely low running costs
Outstanding lifespan
Excellent drying performance
Very quiet

Cons

High purchase price
Repairs can be costly outside warranty

3. Siemens

As Bosch’s sister brand, Siemens shares much of the same engineering excellence while offering a slightly more contemporary aesthetic and a greater emphasis on smart technology.

Its iQ500 and iQ700 dishwashers are among the most energy-efficient appliances available in the UK, featuring sophisticated sensors that automatically detect the size and soil level of each load before adjusting water and electricity consumption.

The Eco programme delivers particularly impressive results, consuming as little as around 0.60–0.72 kWh on many models while maintaining excellent cleaning performance.

For busy households, Siemens’ varioSpeed Plus feature can shorten wash times when needed without dramatically increasing electricity consumption, giving users greater flexibility.

Many models also include Home Connect compatibility, allowing you to monitor energy usage remotely and schedule washes during cheaper off-peak electricity periods if you’re on a time-of-use tariff.

Despite their advanced technology, Siemens dishwashers are known for dependable reliability and quiet operation, making them an excellent option for open-plan homes.

Best for

Smart homes
Busy families
Open-plan kitchens
Off-peak electricity users

Pros

Excellent energy efficiency
Smart connectivity
Quiet operation
Flexible wash programmes
Stylish design

Cons

Some smart features may be unnecessary for certain users
Premium models command premium prices

4. NEFF

If you’re designing a seamless fitted kitchen, NEFF deserves serious consideration.

Known primarily for integrated appliances, NEFF produces dishwashers that combine elegant concealed installation with impressive energy efficiency.

Many of its current models achieve B, C or D energy ratings under the UK’s revised labelling system while using approximately 0.63–0.75 kWh during Eco cycles.

NEFF’s efficient spray systems distribute water evenly throughout the machine, allowing excellent cleaning performance with relatively low water consumption.

One particularly useful feature is the adjustable Flex Basket system, which makes loading awkward cookware much easier while ensuring water reaches every surface effectively.

Like Bosch and Siemens, NEFF benefits from the engineering expertise of the BSH Group, meaning owners can generally expect dependable reliability and good access to replacement parts.

Best for

Integrated kitchens
Modern homes
Medium-sized families

Pros

Excellent integrated designs
Efficient Eco programmes
Quiet operation
Flexible loading system
Reliable engineering

Cons

Fewer freestanding options
Less widespread than Bosch

5. AEG

AEG strikes an excellent balance between affordability and efficiency, making it one of the best energy-efficient dishwasher brands for households looking to reduce running costs without paying premium prices.

Many recent AEG dishwashers achieve strong energy ratings while using around 0.58–0.72 kWh during Eco cycles.

One of the brand’s standout innovations is its SatelliteClean® spray arm, which provides significantly greater water coverage than traditional systems. This improves cleaning performance while allowing the appliance to use less water overall.

AEG also incorporates AirDry technology, automatically opening the dishwasher door slightly near the end of each cycle. Like Miele’s AutoOpen feature, this encourages natural drying, reducing electricity consumption.

Although AEG appliances typically cost less than comparable Bosch or Miele models, they still offer impressive build quality, quiet operation and reliable performance.

For many households, AEG represents one of the best combinations of purchase price, efficiency and long-term running costs currently available.

Best for

Budget-conscious buyers
Couples
First homes
Everyday family use

Pros

Excellent value
Efficient drying technology
Low water consumption
Quiet operation
Good reliability

Cons

Premium finish isn’t quite on par with Miele
Fewer luxury features than higher-priced competitors

FAQs on Energy Efficient Dishwashers in the UK

How much electricity does a dishwasher use in the UK?

Most modern full-size dishwashers consume between 0.5 and 0.8 kWh on the Eco programme. At current UK electricity prices, that works out at roughly 15–25p per wash, making them considerably cheaper than washing the same number of dishes by hand with hot running water in many households.

Does Eco mode really save money?

Yes. Eco programmes use cooler water and extend the wash time so that dishes still come out clean while the heating element operates for less of the cycle. Heating water accounts for most of a dishwasher’s electricity use, so Eco mode can reduce energy consumption by 20–40% compared with intensive programmes.

How much water does an efficient dishwasher use?

Many modern machines use just 9–10 litres of water per Eco cycle. Washing the same load by hand can use more than 40 litres if the tap is left running.

Which dishwasher brand is the most energy efficient in the UK?

While individual models vary, Bosch and Miele consistently produce some of the UK’s most energy-efficient dishwashers. Both brands offer models with excellent A to C energy ratings, low water consumption and highly effective Eco programmes.

Bosch is generally considered the best all-round choice thanks to its balance of affordability, efficiency and reliability. Miele tends to have the lowest long-term running costs because its machines are designed to last for decades.

What is the cheapest of these energy-efficient dishwasher brands to run?

The cheapest dishwasher to run isn’t necessarily the cheapest to buy.

Look for a model that combines:

An A, B or C energy rating
Eco programme electricity usage below 0.70 kWh per cycle
Water consumption below 10 litres per wash
Auto-door drying technology

Although premium models cost more upfront, they often pay for themselves through lower electricity bills and a longer lifespan.

Why does the ECO programme take so long?

Many people assume a longer wash must use more electricity, but the opposite is usually true.

Eco programmes take longer because they use lower water temperatures and gentler spray cycles. Extending the wash allows detergent more time to break down grease and food residue without requiring extra heat.

Although an Eco cycle may last three to four hours, it often uses considerably less electricity than a quick wash.

Is it cheaper to wash dishes by hand?

Well, that depends.

Modern energy-efficient dishwashers typically use only 9 to 10 litres of water during an Eco cycle. Washing the same number of dishes by hand under a running tap can easily use three to five times as much water, especially if hot water is left running continuously.

A fully loaded dishwasher is usually both cheaper and more environmentally friendly than hand washing.

How much electricity do energy-efficient dishwasher brands use?

Most modern full-size dishwashers consume between 0.5 and 0.8 kWh on their Eco programme.

Depending on your electricity tariff, this usually costs only a few pence per cycle. Older dishwashers can use considerably more electricity, making an upgrade worthwhile if your appliance is over ten years old.

How much water do energy-efficient dishwasher brands use?

Today’s most efficient dishwashers typically use between 9 and 11 litres of water per Eco cycle.

By comparison, washing dishes by hand with the tap running can use more than 40 litres of water.

Reducing water consumption not only lowers your utility bills but also helps conserve one of our most valuable natural resources.

Which dishwasher brand lasts the longest?

Miele has an outstanding reputation for longevity, with many machines remaining in service for 15 to 20 years when properly maintained.

Bosch and Siemens also consistently perform well in long-term reliability surveys and are widely regarded as dependable brands with readily available replacement parts.

What should I look for when buying energy-efficient dishwasher brands?

Rather than focusing solely on the energy rating, consider the following:

Low electricity consumption on the Eco programme
Low water usage
Quiet operation (under 44 dB if possible)
Flexible loading racks
Automatic soil sensors
Natural drying features
Good warranty and servicing options

Choosing a reliable brand can save far more money over the appliance’s lifetime than selecting the lowest purchase price.

Are integrated dishwashers more energy efficient?

Not necessarily.

Integrated and freestanding dishwashers are tested using exactly the same standards. Energy efficiency depends on the individual model rather than the installation style.

Choose the design that best suits your kitchen while comparing energy labels carefully.

Does running energy-efficient dishwasher brands at night save money?

If you’re on a time-of-use electricity tariff, running your dishwasher overnight can reduce your energy costs because electricity is often cheaper during off-peak hours.

If you’re on a standard tariff, however, the time of day generally makes no difference to running costs.

Many modern dishwashers include delay timers that make overnight washing simple.

Is it worth replacing an old dishwasher?

If your dishwasher is more than 10 to 15 years old, replacing it with a modern energy-efficient model could significantly reduce both electricity and water consumption.

Newer machines are quieter, clean more effectively and often use less than half the electricity of older appliances.

Although purchasing a new dishwasher requires an initial investment, many households recover part of that cost through lower utility bills over time.

How can I make my dishwasher even more energy efficient?

Small habits can make a noticeable difference:

Always use the Eco programme where possible.
Wait until the dishwasher is completely full before running a cycle.
Avoid pre-rinsing dishes under hot running water.
Clean the filter once a month.
Keep the spray arms free from food debris and limescale.
Allow dishes to air dry by opening the door once the cycle finishes.
Run the dishwasher during off-peak hours if your electricity tariff offers cheaper overnight rates.

These simple steps can reduce energy use without compromising cleaning performance.

Final Thoughts

Investing in an energy-efficient dishwasher is one of the simplest ways to reduce your household electricity and water bills while also lowering your environmental footprint. Thanks to advances in technology, today’s best models clean more effectively than ever while using a fraction of the energy required by older machines.

For most UK households, Bosch remains the best all-round choice, combining exceptional energy efficiency, quiet operation, dependable reliability and excellent value for money. Those looking for a premium appliance with an exceptionally long lifespan should consider Miele, while Siemens offers impressive smart features without compromising efficiency. If you prefer an integrated kitchen, NEFF is an excellent option, and AEG provides outstanding performance at a more affordable price point.

Whatever brand you choose, remember that the appliance itself is only part of the equation. Running full loads, selecting the Eco programme, keeping your dishwasher clean and taking advantage of off-peak electricity tariffs where available can all help reduce running costs even further.

Ultimately, the most energy-efficient dishwasher is one that suits your household’s needs, lasts for many years and helps you save electricity and water every time you press Start. By comparing energy labels carefully and choosing a trusted manufacturer, you’ll enjoy cleaner dishes, lower utility bills and a more sustainable kitchen for years to come.

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Diane Small

A University of Texas journalism graduate and serious chocolate enthusiast, Diane was a sub-editor at the Houston Chronicle before falling pregnant. Today, she is the proud mom of two kids under the age of three, and freelances for Eluxe in between nappy changes and feedings.