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Diagram of Dyson purifier

Engineering story

“Multifunctionality shouldn't mean compromise. Dyson technology works properly, without exception.”

James Dyson – Engineer

Gro eggs showing even heat distribution

See why Dyson heaters are faster to heat the room evenly

Dyson robotic rig

Setting the bar higher for personal cooling

To understand effective cooling, Dyson engineers spent 5 months building a specialised robotic rig that moves through three planes of motion. Unlike other test methods, which only monitor airflow in one position, it automatically maps airflow velocity everywhere in the space.

Testing the Dyson Pure Hot+Cool purifier fan heater

How we pushed beyond industry test standards, to purify every corner of the room¹

Demonstration of how long the HEPA filter is

Improving our HEPA filter, pleat by pleat

We've increased our HEPA filter length to 9 metres – the length of two family cars. The more filter media, the more effective the filtration. So we pleated it over 200 times, to fit inside our machine.

Sketch of football pitch

Enough activated carbon to fill over 40 football pitches

A single gram of activated carbon has a surface area in excess of 1,000m2. So the 300g in our machine goes a long way. At 300,000m, it's enough to fill over 40 football pitches.

Dyson engineer sketch book

1,148 tests. Not one compromise.

We built thousands of prototypes, made numerous iterations, and ran hundreds of tests. But our goal never changed: to develop a multifunctional machine, without compromise.

engineers
unique tests
heating tests
purifying tests

Choose your model

¹Hulin et al, Respiratory Health and Indoor air pollutants based on quantitative exposure assessments, European Respiratory Journal, October 2012.

²Tested for filtration efficiency at 0.1 microns (EN1822).

³Tested for air projection (DTM801), purification coverage in a 81m3 room (TM-003711) and heating performance in a 35m3 room (DTM 961)

⁴Requires device to run app, 2.4GHz or 5GHz Wi-Fi connection or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.

Contact us

You can quickly access help and advice online – visit our support pages for troubleshooting, how-to videos and more.

Our helpline opening hours:

08:00 – 20:00 Monday to Friday
08:00 – 18:00 Saturday and Sunday

Dyson’s Digital Assistant can help. Just click the purple icon at the bottom of the page.
Call us on 0800-298-0298