Guide | November 15, 2023

The benefits of changing your air purifier filter

  • Dyson air purifier filters trap 99.95% of ultrafine particles, dust, allergens, and other pollutants1 improving the quality of air you breathe. Dyson’s air purifier technology utilises multiple layers of filtration, meaning the whole-machine sealed airflow and filtration system prevents dirty air leaking back into your room.2

    For your Dyson air purifier to work optimally, it’s recommended to replace the air purifier filter on a regular basis or at least once a year for HEPA & carbon filter2, depending on usage. Many air purifiers will tell you how often to change the air purifier filter, either on the machine’s display or via the MyDyson™ App.

    By properly maintaining your air purifier and replacing the filter regularly, you'll continue to breathe cleaner air inside your home.3

Do you need to replace air purifier filters?

Air pollution isn't just a problem outside. It's a problem inside too. In fact, the average home can be up to five times more polluted than the air outside.4

Indoor air pollution can be made up of particles that become airborne and move throughout the home such as dust, pet dander, bacteria, and allergens. Common household activities and objects such as cooking, self-care products, cleaning products and paint also contribute to compromised indoor air quality.

Dyson’s air purifiers are whole-machine sealed to HEPA H13 standard2, removing 99.95% of particles as small as 0.1 microns.1 Some purifiers, including the Dyson Purifier Hot + Cool Formaldehyde are engineered to continuously detect and destroy formaldehyde5, a harmful invisible pollutant which may be present in building materials.

Dyson air purifier replacement is an important part of maintaining control over your home’s air quality. Over time, particles build up and can cause the air purifier filter to become clogged. By changing the air purifier filter regularly, the purifier can continue to perform at optimal performance, keeping your home clean.

How to know when you need to replace air purifier filters?

To maintain healthy indoor air quality, it’s important to ensure that your air purifier is working optimally. Certain identifiers can help determine how often to change air purifier filters:

  • Checking the purifier display or MyDyson™ App notifications.
  • Machine airflow doesn’t seem as powerful.
  • There are unpleasant, musty, or mouldy odours in the air.
  • Your home or office looks dustier than usual.
  • Your purifier is making unusual noises.
  • Your purifier doesn’t seem to be working properly.
  • The filter looks grey and dirty when you check it.
  • You can’t remember the last time you changed the filter.
  • How often do you need to change air purifier filters?

    It’s recommended that you replace your Dyson purifier filter around every 12 months, depending on usage.

    If you run your air purifier frequently, experience a lot of indoor air pollution, or have pets, you may need to change it more often. If you’re wondering if your filter needs to be changed sooner, you can check to see if it looks clogged.

    When your air purifier alerts you that it’s time for a filter replacement, don’t ignore this message. We recommend purchasing your Dyson air filter replacement quickly, so your machine continues to effectively purify the air around you.

    Benefits of regularly replacing your air purifier filter

    It’s imperative to replace your air purifier filter for proper purification in the home. With an optimally functioning air purifier, your indoor spaces are protected, and better air quality maintained. Changing air purifier filters regularly have the following benefits:

    1. Better indoor air quality

    Dyson purifiers are engineered to continually monitor the air and capture allergens before they reach your sensors, contributing towards the quality of air that you breathe.
    Changing the filter at regular intervals ensures that these particles are properly trapped, so you can breathe cleaner air at home or at the office.

    2. Reduces dust in home

    In addition to improving indoor air quality, purifiers help with cleaning household surfaces. Dust is extremely lightweight and floats around before landing on tables, countertops, upholstery, blinds, and other areas of your home.

    Much of the dust which collects in homes is not immediately visible. By changing air purifier filters regularly, your machine traps more dust, meaning you spend less time cleaning.

    3. Helps your air purifier to function correctly

    Dyson air purifiers are developed with multi-stage filtration to catch a range of pollutants, particles, gases, and odours. When the filter gets clogged, the machine must work harder, putting more strain on components. Over time, this added wear and tear can result in the need for repairs or replacement purifiers.

    By changing the filter every 12 months (or sooner if needed) your machine can continue to successfully purify the air around you. Not only will your air filter work as it was designed, but it can save you money in the long term, too.

    How to change your air purifier filter

    • Within your Dyson air purifier machine is an in-built reminder system, which will indicate to you how often to change the air purifier filter. Based on a 12-hour usage per day, the system will remind you to order a replacement after 12 months. To see how to change air purifier filters, select your purifier machine from the Dyson Air Treatment Support page and follow the steps for filter replacement.

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