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Diagram of Dyson purifier

Engineering story

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

James Dyson – Engineer

Dyson Pure Hot+Cool™ purifier fan heater in test lab surrounded by heat sensors

Why Dyson heaters are fast 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 specialized 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

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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.

Sketch of soccer pitch

Enough activated carbon to fill over 40 soccer 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 soccer 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

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Dyson Pure Hot+Cool™ HP04 (White/Silver)

Dyson Pure Hot+Cool™ purifier heater fan. The only purifier, heater & fan to clean a whole room properly. Senses and captures pollutants, then projects cleaner air. Heats in winter. Cools you in summer.

Colour:  White / Silver
Options

1 accessory included

See all Hide Click to learn more
Remote control

Curved and magnetized to store neatly on the machine

Currently out of stock.
    $799.99
    Pay by installments with 0% interest from PayBright
    Learn more

    Dyson Pure Hot+Cool™ HP04 (Iron/Blue)

    Dyson Pure Hot+Cool™ purifier heater fan. The only purifier, heater & fan to clean a whole room properly. Senses and captures pollutants, then projects cleaner air. Heats in winter. Cools you in summer.

    Colour:  Iron / Blue
    Options

    1 accessory included

    See all Hide Click to learn more
    Remote control

    Curved and magnetized to store neatly on the machine

    Currently out of stock.
      $799.99
      Pay by installments with 0% interest from PayBright
      Learn more

      Dyson Pure Cool™ HEPA Air Purifier and Fan Tower TP04 (White/Silver)

      Senses & displays real time air quality.

      Captures allergens, pollutants & gases.

      Whole room purification. Purifying fan.

      2 accessories included

      See all Hide Click to learn more
      • Power supply
      • Remote control

        Curved and magnetised to store neatly on the machine

      Currently out of stock.
        $699.99
        Pay by installments with 0% interest from PayBright
        Learn more

        Dyson Pure Cool™ HEPA Air Purifier and Fan DP04 (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 magnetized to store neatly on the machine

        • Power supply
        Currently out of stock.
          $599.99
          Pay by installments with 0% interest from PayBright
          Learn more
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          Dyson Pure Cool Me™ BP01 (White/Silver)

          Cools you with purified air

          Captures gases, pollutants and allergens

          Dyson Core Flow™ technology

          Colour:  White / Silver
          Options

          2 accessories included

          See all Hide Click to learn more
          • Power supply
          • Remote control

            Curved and magnetised to store neatly on the machine

            $399.99
            Pay by installments with 0% interest from PayBright
            Learn more
            Open video transcript

            Dyson Pure Cool Me™ BP01 (Black/Nickel)

            Cools you with purified air

            Captures gases, pollutants and allergens

            Dyson Core Flow™ technology

            Colour:  Black / Nickel
            Options

            2 accessories included

            See all Hide Click to learn more
            • Power supply
            • Remote control

              Curved and magnetised to store neatly on the machine

              $399.99
              Pay by installments with 0% interest from PayBright
              Learn more

              Buy direct from the people who made it

              ¹Tested for air projection (DTM801) and purification coverage in a 2860ft³ room (TM-003711)

              *Terms and conditions apply. Click here to see full terms and conditions.