Order by 4pm, get it tomorrow.Dyson Purifier Humidify+Cool Formaldehyde PH04
Purifies the whole room.¹ Hygienically humidifies.² Cools you. Connects to the MyDyson™ app.
In the box
Purifies and hygienically humidifies the whole room¹ and cools you in summer
Our purifying humidifiers help maintain a cleaner, more comfortable environment all year round. They also deliver cooling airflow whenever you need it.
Machine highlights
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Circulates purified humidified air and cools
Dyson Air Multiplier™ technology circulates purified and humidified air throughout the room,⁸ and cools you in warmer weather.
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Night mode and Sleep timer
Purifies using its quietest settings and a dimmed display. Sleep timer enables pre-set intervals of use, between 15 minutes and 9 hours.
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Real data in real time
Control and monitor your air quality from anywhere using the MyDyson™ app.¹⁰
Discover the pioneering technology inside
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Senses and reports, automatically
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.
Senses and reports, automatically
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.
10 airflow speeds with Breeze and Diffused modes
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Breeze mode
Unique algorithms vary the airflow to mimic a cooling, refreshing breeze.
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Diffused mode
Diverts airflow through the back of the machine. To purify and humidify, without cooling you.
Frequently asked questions
We've re-engineered our latest purifier humidifier to be fully sealed to HEPA H13 standard.⁶ With a hassle-free Deep clean cycle that eliminates mineral build-up throughout your machine's water system.
What is different about the Dyson Formaldehyde range?
The Dyson Purifier Humidify+Cool™ Formaldehyde has all of the capabilities found in our advanced purification products but goes a step further to detect and destroy formaldehyde.¹ An added solid-state sensor precisely detects formaldehyde, while our catalytic filter breaks it down into two safer molecules – carbon dioxide and water.
What is formaldehyde and what are common sources of it?
Formaldehyde is a polluting gas formed of carbon, hydrogen and oxygen that is commonly found in homes. Common sources of formaldehyde 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.
Where should I place the purifier humidifier in my room?
Your Dyson Pure Humidify+Cool™ Formaldehyde is engineered to purify and humidify single rooms, so you should use it where you spend the majority of your time at home. When placing the machine, make sure there's at least a few feet of clearance on all sides, so that the air can circulate effectively. Close doors and windows and place away from air vents.
Can I switch off humidification?
Yes. The machine works as a purifier humidifier, or just a purifying fan.
How often should I run a Deep clean cycle?
This depends on the water hardness where you live. The machine prompts you to run the cycle once a month in hard water areas. It prompts you less often in softer water areas. You can select your water hardness with the MyDyson™ app. Running a Deep clean cycle helps to eliminate odours that occur through poor maintenance.
Save €150 when purchasing a Dyson Purifier Humidify+Cool Formaldehyde PH04. Valid for purchases of eligible products made from dyson.ie between 19 March 2025 and 1 April 2025. See terms and conditions for more information.
