Dyson Purifier Big+Quiet Formaldehyde (Nickel/Prussian blue) BP03
Purifies large spaces.¹ Quietly.
Our most powerful purifier removes pollutant particles, gases³, odours and allergens – for a healthier home environment.
Captures NO₂, a common urban pollutant.
Also destroys formaldehyde⁴ – emitted by some home furnishings.
And cools you, when required.
In the box
Dyson Purifier Big + Quiet Formaldehyde BP03
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Carbon filter
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HEPA filter
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Remote control
Key features
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Powerful projection to cool you in summer
Cone aerodynamics for powerful, long-range air projection. Delivers more than 80 litres of purified air per second. To cool you and purify the whole room.
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Quiet, even at full power
Our quietest purifier is acoustically engineered to produce less noise. With Night mode that’s 50% quieter than any other Dyson purifier.
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Adjust your airflow
Adjust the angle of airflow at 0°, 25° or 50°, or mimic the feeling of refreshing air indoors using Breeze mode.
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Control your air quality wherever you are
The MyDyson™ app lets you monitor your home's air quality from anywhere, see what’s been captured, set schedules, browse reports, and more.⁵
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Auto mode
In Auto mode, your purifier reacts automatically to remove pollutants, only using energy when needed.
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Hygienic filter replacement
A hygienic replacement mechanism allows you to dispose of the HEPA filter in one click.
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Easy to manoeuvre
Discreet, hidden wheels designed for hard surfaces let you easily move your machine around the room.
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Smart home purification
Connect and then control your air quality, hands-free, with compatible smart home voice services.¹³
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Senses and captures pollutants, projects purified air
Senses and reports, automatically
A suite of sensors interact with our unique algorithm, cross-checking data every second, to automatically detect different pollutants, and report live results on the LCD screen or MyDyson™ app.
Fully sealed to HEPA H13 standard⁷
Three-stage HEPA H13, Activated carbon and SCO filtration captures particles, gases including NO₂, and destroys formaldehyde. All within a fully sealed HEPA machine. So what goes inside stays inside.⁷
Destroys formaldehyde, permanently⁵
A catalytic filter continuously traps and breaks down formaldehyde molecules into water and CO₂⁵. And it never needs replacing.
Fully-sealed to HEPA H13 grade⁶
Three phases of purification sit within our fully-sealed machine to trap pollutants inside, removing them from the air you breathe. Giving you reassurance that what goes inside, stays inside.⁶
Many indoor activities can emit pollution. Cleaning, decorating, cooking, even getting ready for work can produce airborne particles and gases.
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VOCs from aerosols and cleaning products
Household cleaning sprays and disinfectants can release volatile organic compounds (VOCs).
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Formaldehyde fumes from paints and glues
Formaldehyde is a potentially harmful gas released by some furniture, paints, glues, carpets and fabrics.
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Cooking odours and combustion pollutants
Cooking doesn’t just leave lingering odours, it can also release pollutants like NO₂ when any fuel is burned. Which can build up in your home.
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Pet odours, allergens and dander
Pets can bring unwanted allergens and odours into the home, which can stay in the air and settle on furniture.
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Dyson Purifier Big + Quiet Formaldehyde BP03
Overall rating
Choose your model
Dyson Purifier Big + Quiet Formaldehyde BP03
Our quietest, most powerful purifier. For large spaces up to 100m². Also cools you.
Dyson's most advanced purification. 3-stage HEPA H13 filtration captures allergens, bacteria and odours. Destroys formaldehyde.
Live air quality reports via the MyDyson™ app. Voice, app and remote control.
What's included
See all-
Carbon filter
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Remote control
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HEPA filter
Dyson HEPA Big + Quiet Formaldehyde
Dyson's quietest, most powerful air purifier yet.
Purifies rooms up to 100m², evenly.¹
Engineered for professional environments such as offices, classrooms and hotels.
What's included
See all-
Carbon filter
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HEPA filter
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Weight
11.9 kg
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Height
830 cm
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Length
434 mm
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Width
415 mm
Frequently asked questions
The Dyson Purifier Big+Quiet Formaldehyde is our quietest, and most powerful air purifier. Using cone aerodynamics to deliver powerful, long-range air projection – circulating purified air and driving even distant pollutants back through sealed filters. For whole-room purification – capturing 99.95% of ultrafine particles², even in large spaces.¹ You can control your air quality, wherever you are. At the touch of a button you can monitor the air quality levels in your home using the MyDyson™ app⁵ – viewing in real-time the benefits of owning an air purifier.
Not all purifiers are equal. Getting the right size purifier, with the best projection is essential to ensure it will effectively purify the air in your space. We've tested the Dyson Purifier Big+Quiet Formaldehyde 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. The Dyson Purifier Big+Quiet Formaldehyde also has our largest ever filtration system – and the 360° HEPA H13-grade filter doesn’t need replacing for up to 5 years.
The Dyson Purifier Big+Quiet Formaldehyde air purifier range is engineered to remove 99.95% of ultrafine particles², such as dust, allergens, odours, gases³ like benzene and nitrogen dioxide and even formaldehyde gas.⁴
The Dyson Purifier Big+Quiet Formaldehyde has our most advanced filtration system. We recommend replacing the 360° HEPA H13-grade filter after using it for up to five years or sooner. The Activated carbon filter should be replaced every two years, or sooner if required. The Selective Catalytic Oxidisation (SCO) filter is permanent and never needs replacing.
The Dyson Purifier Big+Quiet Formaldehyde has been designed to work from the corner of a room, at least one metre away from the wall. For optimal performance we recommend projecting air either along a wall or across the room. You can adjust the angle of projection to suit your preference.
The Dyson Purifier Big+Quiet Formaldehyde has discreet wheels, which aren’t visible when the machine is upright. These wheels are designed for hard floors – so you can move your purifier around easily.
