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Dyson has unveiled its latest generation of purification machines, designed to provide high-quality filtration and tackle indoor pollution within gyms and workspaces, as well as classrooms and the home environment, with the product launching in Australia in May 2021.

Dyson engineers have re-engineered the machine airflow pathways to achieve sealed HEPA 13 standard filtration – not only ensuring that no air bypasses the filter, but blocking any potential leak points through which dirty air might enter the airflow.

A new, solid-state formaldehyde sensor works alongside Dyson’s unique algorithm to precisely monitor formaldehyde levels – intelligently ignoring other gases which are detected by a dedicated VOC sensor. Improvements of the airflow journey have made the machine 20% quieter, without any compromise on purification performance to reduce unwanted disruption in offices and schools.

Dyson Vice President of Environmental Care, Alex Knox notes “as we venture back to offices, classrooms, hotels, gyms and other public spaces, we all want reassurance that these spaces are clean and hygienic.

“As consumers, we trust that our work, leisure and education spaces are being properly maintained with technology that genuinely works. Dyson has engineered a machine to respond directly to these concerns – promising cleaner, purified air throughout offices and classrooms. The Dyson HEPA Cool Formaldehyde does exactly that and more.”

Cleaner Spaces
Every day, humans breathe up to 9,000 litres of air, and in many countries spend as much as 90% of their time indoors. With most of the world’s population experiencing one third of their adult life at work, facilities managers and employers alike have a responsibility to ensure the air that is being breathed in these spaces is clean and safe. 

Adequate ventilation, increased airflow and avoiding touchpoints are top of mind for facilities managers and consumers alike. Increasing ventilation by opening windows can cause poor outdoor air to come inside, while built-in ventilation systems may not have adequate filtration, so airborne pollutants are simply blown around the room. These pollutants can include PM10, PM2.5, VOCs like formaldehyde and NO2. From particulates released by office printers to formaldehyde off-gassing from furniture, Dyson has engineered its new range with these real-life spaces in mind.  

Whole machine HEPA filtration
In Dyson’s new purifiers, it’s not just the filter that meets HEPA H13 standard, but the whole machine. It captures 99.95% of particles as small as 0.1 microns such as allergens, bacteria, H1N1 virus, pollen and mould spores. Dyson engineers took a forensic approach to achieving a sealed machine, creating high pressure seals at an additional 24 critical points to prevent dirty air from bypassing the filters and carrying pollutants back into the room.

Precise formaldehyde sensing and destruction
In addition to the existing particle, NO2, VOCs, temperature and humidity sensors, the integration of an intelligent formaldehyde sensor ensures precise sensing of the pollutant for the lifetime of the machine. Formaldehyde is a colourless gas pollutant, released by furniture and wooden products which use formaldehyde-based resins and commonly associated with new or refurbished spaces. Formaldehyde is 500 times smaller than 0.1 microns, which makes it particularly difficult to capture but leads to long-term exposure if left undetected due to off-gassing.

Formaldehyde sensors can be gel-based and may deteriorate gradually as they dry out over time. Using a solid electro-chemical cell, the Dyson formaldehyde sensor does not dry out and its unique intelligent algorithm cross-checks data every second, selectively sensing to avoid confusion with other VOCs.

Dyson’s Selective Catalytic Oxidation (SCO) filter continuously destroys formaldehyde at a molecular level. The catalytic filter has a unique coating, with the same structure as the Cryptomelane mineral. Its billions of atom-sized tunnels are the optimal size and shape to trap and destroy formaldehyde, breaking it down into tiny amounts of water and CO2 . It then regenerates from oxygen in the air to keep destroying it continuously without ever requiring replacement.

Acoustically engineered to be 20% quieter
Dyson engineers increased efforts to further reduce the sound output of the Dyson HEPA Cool Formaldehyde while maintaining purification performance. Through an iterative design, test, build process managed at the Dyson Malaysia Development Centre’s in-house acoustics chamber, the machine was re-engineered to be 20% quieter. To achieve this noise reduction, Dyson engineers refined the overall airflow path by widening the aperture (slot in which the air exits the machine) and its geometry was improved. This reduced the amount of friction between the air and surface of the machine, resulting in less sound. Noise was reduced from 64 to 61 decibels at max fan speed.

Air Multiplier Technology
Using Dyson Air Multiplier™ Technology, the machine can project purified air to every corner of the room. Auto mode enables the machine to maintain a preferred room temperature and air quality levels, while the Dyson Link App and voice control activation help avoid touchpoints and possible contamination.

Engineered for real spaces
Dyson Purifier machines are engineered for real spaces. The industry standard for testing air purifiers measures performance using a laboratory test conducted in a compact chamber 12metre² in size, with a ceiling fan to circulate the air and one sensor inside the room measuring air quality. For more representative testing, Dyson’s POLAR test is based on a larger room size of 27metre² with no added fan and uses eight sensors in the corners of the room and one sensor in the centre to collect air quality data.

Additional Features

• Guarantee: Dyson Purifier machines have a two year parts and labour guarantee. The Dyson HEPA Cool Formaldehyde has an additional one-year warranty.
• Remote control: A magnetised remote control can be neatly stored on top of the machine.
• Sleep time: Pre-set intervals ranging from 15 minutes to nine hours.
• Dyson Link app: Available for iOS and Android, the Dyson Link app enables you to track indoor pollution, temperature and humidity levels and provides maintenance support and troubleshooting
• Voice Control: Compatible with Google Home, Alexa and Siri.
• Night time mode: Monitors and purifies using its quiet settings, with a dimmed display.
• Price and availability: $799

For more information go to dyson.com.au/for-business/air-treatment

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