How Long Does a Dishwasher Last?

Updated:
05. September 2024

What is the lifespan of a dishwasher, and what can you do to make your dishwasher last longer? In this article, we will take a closer look at these questions.

How long does a dishwasher last? According to studies on the lifespan of dishwashers, dishwashers have an average lifespan of 9 years.

Studies on lifespan

What studies have been conducted on the lifespan of dishwashers, and what do they conclude? We’ll take a closer look below.

Source
1

Consumer reports

From 2013-2023, Consumer Reports surveyed 75,000 individuals regarding the lifespan of dishwashers. The study showed that there can be issues with all brands and that an expensive dishwasher does not necessarily last longer.

You can read more here.

Source
2

Danish Energy Agency 2021

In 2021, the Danish Energy Agency conducted a study on the lifespan of several white goods, including washing machines, dryers, and dishwashers.

The report concluded that 85% of all dishwashers are replaced because the old one is broken. According to the survey, the average lifespan of dishwashers is 10 years.

You can read the entire report here.

Source
3

Magnet.co.uk

The British magazine Magnet.co.uk has investigated the lifespan of a wide range of household products, including dishwashers.

In the study, they found that dishwashers have an average lifespan of 9.5 years.

You can read more about their study here.

Source
4

Stiftung Warentest 2018

I 2018 udgav det tyske magasin Stiftung Warentest en rapport om reparation og levetid for opvaskemaskiner.

I undersøgelsen har Stiftung Warentest kontaktet flere store producenter for at få oplysninger om den forventede levetid på deres opvaskemaskiner. Miele oplyser, at deres opvaskemaskiner har en forventet levetid på 20 år, hvilket er den længste blandt producenterne. De fleste andre producenter, herunder Gorenje, Bosch, Neff, Siemens m.fl., angiver en forventet levetid på mindst 10 år.

Du kan læse rapporten fra Stiftung Warentest her.

Source
5

National Association of Home Builders 2007

In 2007, a comprehensive study on the lifespan of household appliances and materials was conducted by the National Association of Home Builders. In the study, they found that dishwashers have an average lifespan of 9 years.

You can read the report here.

Tips to make your dishwasher last longer

  • Regular cleaning: Remove food debris and rinse the dishwasher’s filter and spray arms regularly to prevent clogging and ensure effective dishwashing.
  • Clean seals and doors: Keep the seals and door clean to prevent mould and bacteria formation as this can affect the machine’s performance.
  • Avoid using too much detergent: Use only the amount of detergent specified in the manufacturer’s instructions. Using too much detergent can lead to foaming and damage the machine.
  • Maintenance of salt and rinse aid containers: Keep the salt and rinse aid containers filled according to the manufacturer’s instructions to ensure that your dishwasher operates optimally and extends the lifespan of your dishes.

What affects lifespan?

  • Quality and brand: The quality of the dishwasher and the manufacturer’s reputation play a significant role. A higher-quality machine from a reliable manufacturer tends to have a longer lifespan than a cheaper model of lower quality.
  • Usage pattern: The frequency of use and the type of dishes typically washed in the machine can affect the lifespan. Running many loads of dishes will wear out the dishwasher faster.
  • Maintenance: Regular maintenance is crucial to extending the lifespan of a dishwasher. Cleaning the filter, cleaning seals, maintaining salt and rinse aid containers, and preventing limescale build-up are all important maintenance tasks.
  • Water quality: The hardness and quality of water can affect the dishwasher’s lifespan. Hard water with high mineral levels can cause limescale build-up and damage the machine over time.
  • Adherence to the user manual: Follow the manufacturer’s instructions for the use, maintenance, and cleaning of the dishwasher to ensure optimal performance and lifespan.
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