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Dyson Purifier Hot+Cool™ Formaldehyde HP09 purifying fan heater
Purifies and heats the whole room evenly.¹ Cools you with powerful airflow.
Built in thermostats which can save you up to 30% in running costs.⁷
Connects to the MyDyson™ app.
Dyson Purifier Hot+Cool™ Formaldehyde HP09 purifying fan heater
The Dyson Purifier Hot+Cool Formaldehyde is a multifunctional air purifier, room heater and cooling fan.
Featuring advanced three-stage purification with our HEPA H13-grade and Activated carbon filter to capture airborne dust, allergens, odours, bacteria, gases,² NO2, viruses,³ pollen and 99.95% of microscopic pollutants as small as 0.1 microns.⁴ While the Selective Catalytic Oxidisation (SCO) filter continuously captures and destroys formaldehyde.⁵ For a cleaner, healthier home environment.
PTC ceramic plates heat the air as it’s projected. For fast, even room heating.¹ With built-in thermostats which can save you up to 30% in running costs on your machine while maintaining room temperature.¹¹
Dyson purifying fans also feature Air Multiplier™ technology for powerful, high-velocity air projection¹⁰ to cool you quickly, and purify and heat the whole room.¹
Dyson purifier heaters have built in thermostats which can save you up to 30% in running costs.⁹
Specifications
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Weight
5.5 kg
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Airflow at max. setting
290 l/s
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Oscillation/Angle
350 degrees
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Cord length
1.8 m
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Number of speed settings
10
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Total height
764 mm
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Voltage
240 Voltage
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HEPA filter
Glass fiber HEPA filter medium
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Sound level
62 Decibel
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Product diameter (skirt)
220 mm
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Product diameter (shrouds)
204 mm
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Height
764 mm
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Length
200 mm
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Width
248 mm
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Dyson Purifier Hot+Cool™ HP09 Formaldehyde (White / Gold)
Overall rating
In the box
Dyson Purifier Hot+Cool™ HP09 Formaldehyde (White / Gold)
Key features
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Cools you and heats the whole room¹
Air Multiplier™ technology projects a powerful stream of high-velocity, purified air to cool you quickly, or heat the whole room evenly.¹
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Quiet, even at full power
Acoustically engineered to reduce turbulence and noise, for quiet operation. Perfect for hot nights or peaceful working environments.
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Smart technology
The MyDyson™ app lets you see which pollutants have been captured, set schedules and more. Control hands-free, using compatible voice services such as Amazon Alexa, Google Assistant or Siri.⁷
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Different modes for summer and winter
Fan mode delivers powerful, high-velocity cooling and heating airflow. Diffused mode gently projects from the rear of the machine, to purify without cooling you.
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Oscillates up to 350°
Adjustable and smooth oscillation projects purified air around the whole room.¹
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Easy filter care
Quick and easy filter changes. With automatic filter-life notifications on the LCD screen or app.⁷
Discover the pioneering technology inside
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Auto mode
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.⁷
Auto mode
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.⁷
Advanced three-stage filtration with HEPA H13
The HEPA H13-grade filter with activated carbon captures gases,² odours, ultrafine dust, allergens, bacteria and 99.95% of particles as small as 0.1 microns.⁴
Advanced three-stage filtration with HEPA H13
The HEPA H13-grade filter with activated carbon captures gases,² odours, ultrafine dust, allergens, bacteria and 99.95% of particles as small as 0.1 microns.⁴
Fully sealed whole-machine filtration
In our latest purifiers, it's not just the filter that meets HEPA H13 standard, it's the whole machine. So what goes inside, stays inside.⁸
Fully sealed whole-machine filtration
In our latest purifiers, it's not just the filter that meets HEPA H13 standard, it's the whole machine. So what goes inside, stays inside.⁸
Ceramic plates for fast heating
PTC ceramic plates heat the air as it’s projected, with built-in thermostats which can save you up to 30% in running costs while maintaining room temperature.¹¹
Ceramic plates for fast heating
PTC ceramic plates heat the air as it’s projected, with built-in thermostats which can save you up to 30% in running costs while maintaining room temperature.¹¹
Destroys formaldehyde in billions of catalytic tunnels
Dyson's unique SCO filter continuously traps and converts formaldehyde into water and CO₂.⁵ And it self-regenerates, so it never needs replacing.
Destroys formaldehyde in billions of catalytic tunnels
Dyson's unique SCO filter continuously traps and converts formaldehyde into water and CO₂.⁵ And it self-regenerates, so it never needs replacing.
Security software updates for this machine will be supported until 31/12/31.
Frequently asked questions
The Dyson Purifier Hot+Cool Formaldehyde features Air Multiplier™ technology for powerful, long-range air projection, delivering a maximum airflow of 77 gallons of air per second.
In tests we found this machine suitable for room sizes up to 27m².
We would advise owners not to use an extension cable when using the Dyson Purifier Hot+Cool Formaldehyde.
Formaldehyde is a polluting gas formed of carbon, hydrogen, and oxygen that is commonly found in homes. Sources of formaldehyde in your home could include paint and varnishes, glues, air fresheners, mattresses, furniture, household cleaners, carpets, particleboard and plywood, electronics, dryer sheets, nail polish remover, moth balls, toys, fireplaces, and wood burning stoves.
HEPA grades refer to filter efficiency at a certain particle size. HEPA H13 is a filter with a 99.95% removal efficiency of particles down to 0.1 microns per litre of air. This includes common pollutants such as allergens, bacteria, viruses, pollen, and mould spores.
We recommend replacing the HEPA+Carbon filter roughly every 12 months, depending on how often you use it. That’s because over time filters can become 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 myDyson app.⁷ The SCO filter never needs replacing.
The Dyson Purifier Hot+Cool Formaldehyde is a multifunctional air purifier, heater and cooling fan. The machine uses Dyson Air Multiplier™ technology to project a powerful stream of high-velocity, purified air to cool you quickly and heat the whole room evenly.¹
Yes, Dyson purifiers capture wildfire smoke and other combustion pollutants.⁹
- 4 Third 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.
- 6 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%.
- 9 After reaching target temperature and maintaining it. Tested in a 35 m³ chamber when using the hot air mode and the product setting temperature is 25 °C. Comparing with continuous operation with power consumption of 2050W. Real life results may vary depending on room insulation.
