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Testing standards

Dyson engineers go further during testing. Our uniquely designed POLAR test ensure Dyson air purifier fans are capable of whole-room filtration.

The industry-wide CADR test

Some air purifier and humidifier manufacturers test performance with a lab test method called ‘Clean Air Delivery Rate’ (CADR). Conducted in a compact chamber measuring just 28.5m³, air quality is measured with only one sensor.

In real homes, filtration quality matters. If particles aren’t captured first time, they are released back into the home. Unlike real homes, the CADR test is conducted for 20 minutes in a small chamber, tracking just the speed of filtration, rather than the quality.

  • 28.5m³

     Small test chamber (with fans on the ceiling and walls to help circulate the air)

  • 1 sensor

     That maps and monitors how the chamber is purified for only 20-25 minutes

  • 3 particles

     removed: dust, pollen and tobacco smoke

Dyson engineers go further

Play the video: See how Dyson engineers push testing methods
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The Dyson POLAR test

Dyson air purifier fans are engineered to work in real homes. That’s why we developed our POLAR test. Based on a larger room size of 81m³, nine different sensors continually collect air quality data throughout the entire room. Ensuring purified air is evenly distributed to every corner.

Dyson purifier in large testing room

  • 81m³

     real living size space test chamber

  • 9 sensors

     that continually map and monitor how a room is purified

  • 5 particles

     and 11 gasses removed

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*.

Image of magnified human hair and gas particles

Our rigorous test methods tell us more

  • 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.

  • 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.

  • Gaseous pollutants

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

  • Acoustics testing

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

Projects purified air throughout the room

Only Dyson air purifier fans use Air Multiplier™ technology to project purified air throughout a whole room.

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

James Dyson Founder and Engineer

Discover Dyson air purifier fans. Cooling with air purification.

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Dyson Purifier Cool™ air purifier TP07 (White/Silver)

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  • Captures dust, allergens and up to 99.9% of viruses1, such as COVID-19 virus.2
  • Removes 99.95% of ultrafine particles4 and up to 97% of common household odours.5
  • Auto sense and reports pollution in real time.
  • 6 monthly 0% interest installments at ₱5,985/month
What's included
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  • 360° glass HEPA and activated carbon filter

    Sealed HEPA filter made from borosilicate microfibres, pleated hundreds of times, to capture 99.95% of ultrafine particles with activated carbon filter to remove gases and odours.

  • Remote control

    Curved and magnetised to store neatly on the machine.

White / Silver - Selected colour Black / Nickel
Was ₱39,900 ₱35,910 Save ₱3,990
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Save: ₱4,425
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Dyson Pure Cool™ air purifier TP00 (White/Silver)

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  • Removes dust, allergens and gases.
  • Built-in VOC and particle sensors.
  • Fully sealed to HEPA H13 standard filtration.
  • Not wifi compatible.
  • 6 monthly 0% interest installments at ₱4,179/month
What's included
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  • 360° glass HEPA filter

    The 360° glass HEPA filter removes 99.95% of allergens and pollutants as small as 0.1 microns.

  • Remote control

    Curved and magnetised to store neatly on the machine.

Currently out of stock
Was ₱29,500 ₱25,075 Save ₱4,425
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Save: ₱4,590
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Dyson Purifier Cool™ Formaldehyde air purifier TP09 (Nickel/Gold)

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  • Captures dust, allergens and up to 99.9% of viruses1, such as COVID-19 virus2.
  • Detects and destroys formaldehyde, continuously.3
  • Removes 99.95% of ultrafine particles4 and up to 97% of common household odours.5
  • Auto sense and reports pollution in real time.
  • 6 monthly 0% interest installments at ₱6,885/month
What's included
See all

  • 360° glass HEPA and activated carbon filter

    Sealed HEPA filter made from borosilicate microfibres, pleated hundreds of times, to capture 99.95% of ultrafine particles with activated carbon filter to remove gases and odours.

  • Remote control

    Curved and magnetised to store neatly on the machine.

Nickel / Gold - Selected colour White / Gold
Was ₱45,900 ₱41,310 Save ₱4,590
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Dyson Purifier Big+Quiet Formaldehyde (Bright nickel/Prussian blue)

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  • Delivers HEPA purified air in large spaces up to 100m². Quietly1.
  • Capturing allergens & up to 99.9% of viruses14.
  • Removes gases and odours.3
  • Detects and destroys formaldehyde, permanently.5
  • 6 monthly 0% interest installments at ₱9,983/month
What's included
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  • Remote control

    Curved and magnetised to store neatly on the machine.

  • HEPA H13 grade filter

    21 metres of borosilicate microfibres, pleated over 459 times, captures 99.95% of particles as small as 0.1 microns.3

  • Activated carbon filter

    A layer of carbon captures gases such as benzene and NO2 and removes odours.5

₱59,900
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*Tested to EN1822 - airborne particles as small as 0.1 microns.