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Diagram of Dyson purifier

Engineering story

“Multifunctionality shouldn't mean compromise. Dyson technology works properly, without exception.”

James Dyson – Engineer

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Gro eggs showing even heat distribution

See why Dyson heaters are faster to heat the room evenly

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Dyson robotic rig

Setting the bar higher for personal cooling

To understand effective cooling, Dyson engineers spent 5 months building a specialised robotic rig that moves through three planes of motion. Unlike other test methods, which only monitor airflow in one position, it automatically maps airflow velocity everywhere in the space.

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Testing the Dyson Pure Hot+Cool purifier fan heater

How we pushed beyond industry test standards, to purify every corner of the room¹

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Demonstration of how long the HEPA filter is

Improving our HEPA filter, pleat by pleat

We've increased our HEPA filter length to 9 metres – the length of two family cars. The more filter media, the more effective the filtration. So we pleated it over 200 times, to fit inside our machine.

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Sketch of football pitch

Enough activated carbon to fill over 40 football pitches

A single gram of activated carbon has a surface area in excess of 1,000m2. So the 300g in our machine goes a long way. At 300,000m, it's enough to fill over 40 football pitches.

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Dyson engineer sketch book

1,148 tests. Not one compromise.

We built thousands of prototypes, made numerous iterations, and ran hundreds of tests. But our goal never changed: to develop a multifunctional machine, without compromise.

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  • engineers


  • unique tests


  • heating tests


  • purifying tests

Choose your model

Dyson Pure Hot+Cool™

Limited stock

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.

1 accessory included
See all Hide Click to learn more
Remote control

Curved and magnetised to store neatly on the machine

Out of stock.
    £499.99
    Learn more

    Dyson Pure Cool™ Tower

    Limited stock

    Dyson Pure Cool™ tower White/Silver

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

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

    Curved and magnetised to store neatly on the machine

    Out of stock.
      £449.99
      Learn more

      Dyson Pure Cool™ desk White/Silver

      Automatically purifies a whole room and cools you. 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
      • Power supply
      • Remote Control

        Curved and magnetised to store neatly on the machine.

      Out of stock.
        £399.99
        Learn more

        Sorry, but the video player isn't currently keyboard accessible. We're upgrading our player to improve this. Please email askdyson@dyson.co.uk or contact 0800-298-0298 if you would like further help, or to see the information in an alternative format.

        Please see our Accessibility Statement for more information.

        Direct from Dyson

        ¹Hulin et al, Respiratory Health and Indoor air pollutants based on quantitative exposure assessments, European Respiratory Journal, October 2012.

        ²Tested for filtration efficiency at 0.1 microns (EN1822).

        ³Tested for air projection (DTM801), purification coverage in a 81m3 room (TM-003711) and heating performance in a 35m3 room (DTM 961)

        ⁴Requires device to run app, 2.4GHz or 5GHz Wi-Fi connection or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.