Dyson Purifier Hot+Cool™ Formaldehyde
Purifies, heats and cools the whole room.1 Even destroys formaldehyde.2
Removes 99.95% of particles as small as 0.1 microns3
Purifies, heats and cools the whole room.1
Sealed to HEPA standard – what goes inside, stays inside4
Choose your model
Poor air quality isn't just a problem outside. It's a problem inside too.
From pets and flowers, to sprays and stoves, our homes can trap pollutants in the air. That's why Dyson air purifiers automatically sense and remove them.
Common household pollutants
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Formaldehyde
Painting, varnishes and printers
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Benzene and VOCs
Traffic, building materials and furniture
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Nitrogen dioxide
Road traffic, tobacco and fuel-burning heaters
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Odours
Fumes and cooking
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PM10
Pollen and allergens
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PM5.0
Bacteria
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PM2.5
Industrial emissions
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PM0.1
Ultrafine particles
Only a Dyson works like a Dyson
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Proof of cleaner air
Sensors precisely diagnose, display and react to pollutants at a molecular level, displaying live air quality results on the LCD screen and MyDyson™ App.6
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Unlike others, what goes inside, stays inside
The whole purifier is sealed to HEPA H13 standard4, removing 99.95% of particles as small as 0.1 microns.3
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Whole room purification1
Air Multiplier™ technology draws in distant pollutants and projects purified air throughout the whole room.1
Powerful circulation to purify the whole room
Only Dyson purifiers have Air Multiplier™ technology, to draw in distant pollutants and project purified air throughout the room.3
Dyson purifiers are tested beyond the industry standard
We test our purifiers in a room size of 81m³, with nine sensors that continuously measure air quality. Some other manufacturers use a small 28.5m³ chamber, with only one sensor and a fan to boost circulation.
We test beyond the industry standard. For real living spaces.
Dyson engineers designed the POLAR air purification test to challenge the industry test standard – measuring filtration, sensing and circulation to ensure the whole room is purified properly.
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CADR is not a measure of purification performance in a real-size room 28.5m3
Two additional fans boost circulation. Only one sensor measures air quality.
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Dyson's POLAR test goes further to measure purification throughout a real-size room 81m3
No additional fans. Nine different sensors to measure even-room air quality.
Senses and reports, automatically
Automatically detects, airborne particles and gases, then diagnoses and reports them in real time.
Captures with advanced HEPA filtration
The HEPA filter captures 99.95% of particles as small as 0.1 microns.3 Activated carbon absorbs gases4, odours and VOCs.
The purifier is sealed to HEPA H13 standard4, removing 99.95% of particles as small as 0.1 microns.3
To prevent pollutants leaking back into the air, it's not just the filter that's sealed to HEPA H13 standard4, it's the whole purifier. So what goes inside, stays inside.
Additional features
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Warms you in winter
With long-range projection, it’s quick to heat the whole room evenly.1 Intelligent thermostat control maintains your preferred room climate.
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Diffused mode. Purifies without cooling you.
Airflow is diverted through the back of the machine, maintaining effective purification.
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Night mode
For lighter sleepers, it monitors and purifies using the quietest settings along with a dimmed display.
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Easy filter care
The catalytic filter doesn't need replacing. And when you need a new HEPA+Carbon filter, the Dyson Link app6 lets you know.
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Get more from your new Dyson with the MyDyson™ app
Download the new app for the best MyDyson™ experience.
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Access every feature
Understand each mode and screen with quick-start and how-to explainers. Each expert-led guide is tailored to you and your machines.
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Automated filter alerts
Tailored updates sent straight to your phone, ensuring your machine performs at its best. The Dyson app alerts you automatically when its time to replace your filter.
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Immediate support, tailored to you
Know how to clean your air purifier and discover other maintenance guides when you need it. Troubleshoot or activate personalised machine support, and get it sent direct to your inbox.
Frequently asked questions
Dyson engineers are perfectionists. Channelling our relentless dissatisfaction, we have re-engineered our latest’s purifiers so the whole machine is now sealed to meet HEPA H13 standard.4 Capturing 99.95% of ultrafine particles and preventing pollutants from leaking back into the air you breathe.
The Dyson Purifier Hot+Cool™ Formaldehyde has all of the capabilities found in our advanced purification products but goes a step further to detect and destroy formaldehyde. An added solid state-sensor precisely detects formaldehyde, while our catalytic filter breaks it down into two safer molecules – carbon dioxide and water.
Formaldehyde is a polluting gas formed of carbon, hydrogen and oxygen that is commonly found in homes. Common sources of formaldehyde in your home could be: paint and varnishes, air fresheners, mattresses, furniture, household cleaners, carpets, particleboard and plywood, electronics, dryer sheets, nail polish remover, moth balls, toys, fireplaces and wood burning stoves.
We recommend replacing the HEPA+Carbon filter every 12 months. That's because over time, filters can get clogged with pollutants, and even let unpleasant odours back into the room. The machine will alert you when it’s time to change filters. A filter life reading can be found on the LCD screen and via the Dyson Link app. The catalytic filter doesn't need replacing.
Owner support
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Register your machine -
Find the right part -
Find a replacement filter -
Expert support
1 In maximum setting. Tested for air projection, purification coverage in a 81m3 room and heating performance in a 35m3 room.
2 Third party full machine testing based on GB/T 18801-2015 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.
3 Particle 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%.
4 Tested for filtration efficiency at 0.1 microns (EN1822).
5 Gas capture rates may vary.
6 Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply. App control doesn’t apply to heating.
7 Fan not airconditioning unit.
8 Pets: At least once in 2021. Based on data from 3,479 machines during the 2021 calendar year. Data is calculated based on where the owner registered their machine. Workouts at home: At least once in 2021. Based on data from 3,479 machines during the 2021 calendar year. Data is calculated based on where the owner registered their machine.