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The Dyson Big+Quiet Formaldehyde BP03 air purifier repels a jet of smoke in a lab test.

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Dyson Purifier Big Quiet

Find the right purifier

Answer five quick questions to find the machine that performs the best for you.

The Dyson Environmental care range.

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Climate voucher can be utilised on air purifiers, only at Dyson stores.

Learn how a Dyson removes formaldehyde permanently.

Automatic sensing. Fully-sealed machine. Long-range air projection. Find out how Dyson's latest purifier with upgraded filtration sets a new standard in effectively tackles formaldehyde and air purification. That's why they're at the core of our technology. And why we've been testing them for generations.

A Dyson purifier with an air quality graphic line indicating a drop in indoor pollution.
  • A Dyson air purifier in a living room.

    Advanced automatic sensing

    Reacts automatically to remove pollutants, only using energy when needed.1

  • A Dyson air purifier being tested to HEPA H13 standard.

    Fully sealed filtration to HEPA H13 standard

    Advanced whole-machine fully sealed filtration with HEPA H13, activated carbon and SCO filters. So the pollution captured inside, stays inside.2

  • A Dyson air purifier projecting powerful airflow in a large room.

    Powerful long-range air projection

    Dyson Air Multiplier™ technology projects purified air into every corner of the room.3

Discover more about Dyson's air treatment technology

  • A backpack on a kitchen chair

    Dyson investigates air quality

    Using Dyson's prototype air quality backpack, we're investigating the quality of air we breathe in cities around the world. A global project, investigating one problem.

  • Six thumbnail photos  illustrating different pollution scenarios around the home

    Breathe cleaner air at every moment

    Inside our homes live millions of invisible pollutants generated by everyday moments. Dyson air purifiers remove 99.95% of airborne particles - so you can breathe cleaner air.

Frequently asked questions

Yes. Our activated carbon filters capture and trap pollutants that cause odour in indoors environments.

HEPA stands for High-Efficiency Particulate Air. This filter can trap particles – as small as 0.1 microns. All Dyson purifiers have HEPA filters to capture 99.95% of allergens and pollutants.

Dyson Purifiers cool with purified air. They project a powerful airflow to cool like most Dyson fans, but they also capture dust and allergens, removing 99.95% of particles as small as 0.1 microns

Yes, air purifiers with HEPA filters, when used correctly, can limit exposure to haze within the home. Haze brings both coarse and fine, and larger and smaller particles into the home, which can lead to adverse health effects if not monitored.

Standing for ‘High Efficiency Particulate Air’, HEPA filters are a standard of filter efficiency which can help capture and purify haze particles. Within a HEPA filtration system, large and small particles of all textures are effectively trapped. Alongside HEPA filtration, Dyson air purifiers are whole machine sealed to ensure what enters the system, stays in.

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Expert guides and exclusive content. Intelligent filter alerts. Tailored 24/7 support.

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Care, from the people who made it.

Owner support

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  • Expert support

1In Auto mode.
2Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%. Gas capture rates vary.
3 In maximum setting. Tested for air projection (DTM801) and purification coverage in a 81m3 room (TM-003771).