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See how a high CADR purifier releases pollutants back into the room.

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What is a CADR rating?

The Clean Air Delivery Rate (CADR) test measures how fast the number of particles in the air are reduced. But it doesn't measure filtration quality, or focus on how well a purifier captures differing particle sizes.

In real homes, filtration quality matters. If particles aren’t captured first time, they are released back into the room.

Unlike real homes, the CADR test is conducted for 20 minutes in a small test chamber measuring 11.8m². Fans on the ceiling and wall help to circulate the air.

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Dyson purifiers focus on filtration quality.

Our air purification technology captures 99.95% of allergens, pollutants and ultrafine particles.¹

 

CADR tests for:

Particles:
Dust, pollen and tobacco smoke

Dyson purifiers are tested to remove:

Particles:
Dust, pollen, tobacco smoke, pet allergens, dust mite allergens, 2.5 microns, 0.1 microns.

Gases:
Tobacco smoke, Formaldehyde, Benzene, Ammonia, Acetaldehyde, Acetic acid, Ozone, Nitrogen dioxide, Toluene, Trichloroethylene, Naphthalene.

Ultrafine particles are suspended in the air we breathe.

Filtration quality is crucial. Particles at 2.5 microns measure just 1/30th the size of a human hair. Ultrafine particles at 0.1 microns fit 1,000 times across the diameter of a human hair. Dyson purifiers capture 99.95% of particles as small as PM 0.1.¹

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Our rigorous test methods.

Designed to enhance performance in real home environments.

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Full grid test
Measures air flow, velocity and direction from the purifier. Good circulation helps prevent dirty air from lingering in some areas of the room.

 

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Dyson HEPA filtration efficiency test
Some purifiers release dirty air back into the room. We test our HEPA filters to capture 99.95% of particles as small as PM 0.1.¹

 

 

 

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Gaseous pollutant test
Potentially harmful gases can be emitted from cookers, new furniture, naked flames and cleaning products. We test that our purifiers capture these gases.

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Acoustics test
We invest in sound power and sound quality analysis, to develop night-mode settings that enable air purification without disturbing you.

“Dyson has been filtering air for more than 25 years. Our engineers ensure our machines capture more potentially harmful ultrafine particles and gases in real homes, than conventional lab testing.”

James Dyson
Engineer

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Advanced vacuum-sealed HEPA filter.

360° Glass HEPA filter.

Removes 99.95% of pollutants and allergens from the air¹. Unlike some others, it is vacuum-sealed so air goes through it, not around it.

Automatically detects and removes indoor pollution.

In auto-mode, Dyson purifiers constantly monitor and react to indoor air quality while reporting directly to the Dyson Link app.²

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Projects purified air throughout the room.

Only Dyson purifiers use Air Multiplier™ technology to project air.

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Purification all year round. Purifying fan or heater when you need it.

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Choose your model

  • Advanced technology
    Dyson Pure Hot+Cool™ White/Silver

    Purifies, heats and cools you. Automatically senses and displays real-time air quality. Connects to Dyson Link app. For larger spaces.

    What's included See all Hide Click to learn more
    Remote control

    Curved and magnetised to store neatly on the machine

      £549.00
      Learn more
    • Advanced technology
      Dyson Pure Cool™ tower White/Silver

      Automatically purifies and cools a whole room. Senses and displays real-time air quality. Connects to Dyson Link app.

      2 accessories included See all Hide Click to learn more
      Remote control

      Curved and magnetised to store neatly on the machine

      Power supply

      £499.99
      Learn more
    • Advanced technology
      Dyson Pure Cool™ desk White/Silver

      Automatically purifies and cools a whole room. Senses and displays real-time air quality. Connects to Dyson Link app. For smaller spaces.

      2 accessories included See all Hide Click to learn more
      Remote Control

      Curved and magnetised to store neatly on the machine.

      Power supply

      £399.99
      Learn more

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    Direct from Dyson

    Price match promise

    Dyson Price Promise.

    Our prices are checked and matched daily, so you can be confident you’re getting the best price by purchasing direct from Dyson. 

    If, within 7 days of purchase, you find the same model advertised at a lower price by Argos, Currys or John Lewis in the UK, we’ll refund the difference.

    Just contact our Customer Service team on 0800 298 0298.

    • Product must be the exact same model as appears in a Dyson Demo store or on Dyson.co.uk and be in stock with a qualifying retailer.
    • Proof of advertised price by a qualifying UK retailer is required.
    • Qualifying retailers are: John Lewis, Currys and Argos.
    • Promise does not apply if your purchase is part of a bundle or collection that can also be purchased individually at full price.
    • Refunds will be processed by our Customer Service team within 5 working days.

    Product advertised must be new and in its original packaging. Promise does not apply if the product is reconditioned, refurbished, used, damaged, returned, open box or a demonstrator product.

    Free scheduled delivery

    Free next-day delivery

    On orders placed before 8pm seven days a week. (Location restrictions apply, please click here for details)

    Please note, the cut-off for next-day delivery on the 24th June is 6pm

    Scheduled delivery

    Pick a day and time slot that suits you. Free options available.

    Click and collect

    We’ll deliver your machine to a pick-up location of your choice.

    Please note that spares, tools and accessories are dispatched separately and will be delivered within 3-5 days.

    Money back guarantee

    Money back guarantee.

    We offer a 35-day returns policy, in case you change your mind (on vacuums, hair care, lighting, purifiers, fans and heaters only).

    -  You may cancel up to 35 days after receiving your machine.

    -  Contact us on 0800 298 0298 or askdyson@dyson.co.uk to cancel.

    See our returns policy for further details.

     

    2-year or 5-year guarantee.

    We don't stop caring about our machines once they're yours. We offer a guarantee on parts and labour.

    5-year guarantee on:

    -  Upright and cylinder vacuums.

    2-year guarantee on:

    -  Cordless vacuums;

    -  Hair dryers;

    -  Purifiers, fans and heaters.

    Auto registration

    Register your guarantee automatically when buying direct.

    Pay monthly

    Spread the cost to suit your budget

    -  Choose a monthly instalment plan with PayPal Credit up to 12 months.

    -  Interest rate of either 0% p.a. or 14.9% p.a. depending on the product.

    Apply online at checkout

    -  Select instalments at checkout and apply with simple steps.

    -  Minimum order £199.

    Representative example

    Using PayPal Credit, a £1,200 purchase split over 12 monthly payments:

    -  At 0% p.a. would cost £100.00 per month.

    -  At 14.9% p.a. would cost £107.73 per month.

     

    ¹Particles as small as 0.1 microns. Tested to EN1822. Gaseous capture rates vary.

    ²Requires Wi-Fi and an app-enabled device.