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Welcome to your new Dyson Purifier Big+Quiet Formaldehyde

Get ready for powerful purification.

Let's get started in three easy steps:
1. Set up your purifier
2. Download the app
3. Register your machine

The Dyson Purifier Big+Quiet Formaldehyde.

Get started

Set up your purifier

The Dyson Purifier Big+Quiet Formaldehyde being set up for use.

*Machine colourways may vary from the video.

Download the app

MyDyson logo

Get more from your Dyson with the MyDyson™ app

Connect and register your machine to access how-to guides, live air quality and filter reports, set schedules and much more.
The MyDyson app on different mobile phone screens.

Care, from the people who made it.

Register your machine

Alternatively, you can register your machine by clicking the button below, for easy access to all your machine and guarantee information, all in one place.

  • Black and white icon of guarantee with number 2 on it.

    Access your 2-year guarantee

  • Black and white icon of telephone.

    Expert support 7 days a week

  •  Black and white icon of a nut and bolt.

    Hassle-free repair or replacement

  • Black and white icon of hands holding a circle with a tick in the middle.

    Tailored tips and advice

User manual

User manual

Download your Dyson Purifier Big+Quiet Formaldehyde user manual.

User manual