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Dyson Purifier Big+Quiet Formaldehyde logo

Delivering HEPA purified air throughout rooms up to 1076 sq.ft.1. Quietly.

  • Quiet, even at full power.
  • Captures allergens, and 99.95% of pollutants as small as 0.1 microns.2
  • Removes gases and odours.3

Dyson Purifier Big+Quiet Formaldehyde in a large space.

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Engineered to purify large spaces1

We've tested our latest purifier thousands of times – to ensure the sensors, filtration system and motor work together to purify large spaces.

Dyson Purifier Big+Quiet Formaldehyde's purification range being tested for large spaces.

Senses and reports on air quality, automatically

A suite of intelligent sensors detects pollutants across a whole room. Our unique algorithm cross-checks data every second, analysing your air at a molecular level – automatically reacting to purify and display live results on the LCD screen and in the MyDyson™ app.

Dyson Purifier Big+Quiet Formaldehyde technology with LCD screen sensor icons.
  •  
    24-hour air quality graph

  •  
    PM2.5 level

  •  
    PM10 level

  •  
    VOC level

  •  
    NO2 level

Quiet, even at full power

Acoustically engineered to operate quietly – even at its highest power setting. So it continually reduces your exposure to pollution, without disturbing you around the home.

Dyson Purifier Big+Quiet Formaldehyde positioned in the home.

Unique motor bucket

We developed a unique motor bucket to deliver the single largest drop in noise levels we have ever achieved. Every harsh edge and surface was stripped back to reduce turbulence, pressure and noise. Consequently we achieved an A weighted sound power level of just 56dB(A) at full power.

The Dyson Purifier Big+Quiet Formaldehyde's internal engineering.

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Complete control of your air quality. From wherever you are.

At the touch of a button, control your purifier from anywhere. Set schedules, monitor air quality levels in your home, track filter life and more with the MyDyson™ app.8

The MyDyson app being used at a café.
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Get more from your Dyson with the MyDyson™ app

Download the app for the best MyDyson™ experience.

Three phone screens showing the different features of the MyDyson app.

Care, from the people who made it.

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Choose your model

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  • Delivering HEPA purified air throughout rooms up to 1076 sq.ft.1. Quietly.
  • Captures allergens, and 99.95% of pollutants as small as 0.1 microns
  • Hygienic filter replacement. HEPA Filter life of up to 5 years
  • Fully-sealed HEPA H13 grade filtration. So what goes inside, stays inside.
  • Dyson's most energy efficient purifier.

Or spread over 24 months for ₹2,788/mo
at 0% interest.
Was ₹68,900.00 ₹66,900.00
(inclusive of all taxes)
Save ₹2,000.00

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Frequently asked questions

While our current generation purifiers circulate clean air around the whole room10, the Dyson Purifier Big+Quiet projects air over 10 metres, creating the circulation power to purify large spaces.1 Featuring our largest ever filtration system, the purifier captures 99.95% pollutants2, gases3 and destroys formaldehyde.5 It’s acoustically engineered to operate quietly – even at its highest power setting.

We've tested the Dyson Purifier Big+Quiet extensively – to ensure the sensors, filtration system and motor work together to purify a large living space. It has the projection power to purify spaces up to 100m2.1

We’ve re-engineered our purifiers to deliver three key features to purify a whole room evenly.1 Long range projection creates the circulation power to draw even-distant pollutants back to the purifier. An integrated sensor system accurately detects and reports pollutants. Finally, an advanced HEPA H13 grade filtration system captures gases3 and ultra-fine particles,2 destroying formaldehyde.5 Purified air is then projected back into the room and the cycle repeats.

Formaldehyde is a colourless and potentially harmful gas that can be found in many household products and emitted for years. Sources of formaldehyde can include woods, glues, paints, varnishes, air fresheners, mattresses, household cleaners, and some fabrics found in household flooring and furniture.
The Dyson Purifier Big+Quiet Formaldehyde range traps formaldehyde in tunnels, breaking it down into water and CO2.5 This is done by a lifetime Selective Catalytic Oxidation filter which does not need replacing.

Dyson purifiers are optimal when left switched on in auto-mode. This allows the purifier to constantly monitor your air quality, and automatically sense and capture pollutants. It adjusts the airflow speed, only purifying when needed.11 The Dyson Purifier Big+Quiet range offers enhanced energy efficiency, providing nearly double the clean air delivery rate per watt versus our current generation purifiers.12

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1The ability of purifying a large room up to 100m2 (10m*10m) proven from a Computational Fluid Dynamics (CFD) modelling, with the purifier placed in a corner of the room running at the maximum flow and horizontal projection reaching 10 metres to fully mix the room. The projection distance was measured from internal flow reach testing under the maximum directional airflow. The actual performance in real life condition may vary.

2Tested for filtration efficiency at 0.1 microns (EN1822, ISO29364).

3Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Gas capture rates vary.

4Compared to adsorption by the standard carbon filter in Dyson Purifier Big+Quiet Formaldehyde (BP03).

5Third party full machine testing based on GB/T 18801-2022 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.

6Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.

7Tested on Korean BBQ, grilled salmon, cat urine, tobacco smoke and garbage odours.

8App functionality may vary per market. Requires Wi-Fi and app enabled device. Standard data and messaging rates may apply. Requires iOS version 10 or above, or Android version 5 or above. Your mobile device must have Bluetooth 4.0 support.

9Levels defined by Dyson based on scientific literature. Ventilation alert when CO2 levels are 1500ppm or above.

10In maximum setting. Tested for air projection (DTM 801) and purification coverage in a 81m3 room (TM-003711).

11In Auto mode.

12Vs. TP09

13Refer to the MyDyson™ app for compatible smart home devices and voice services.

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