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Diagram of Dyson purifier

Engineering story

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

James Dyson – Engineer

Gro eggs showing even heat distribution

See why Dyson heaters are faster to heat the room evenly

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.

Testing the Dyson Pure Hot+Cool purifier fan heater

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

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.

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.

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.

  • 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
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Remote control

Curved and magnetised to store neatly on the machine

Out of stock.
    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.
      Learn more

      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.