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Dyson HEPA Big+Quiet Formaldehyde purifier

Dyson's quietest, most powerful air purifier yet, the DysonPurifier Big+Quiet Formaldehyde is specifically engineered to purify properly in spaces up to 100m². 

Workspaces can harbour pollutants such as viruses, bacteria, Volatile Organic Compounds (VOCs), pollen and formaldehyde. Everyday items such as cleaning products and printers, furniture and flooring, can release potentially harmful microscopic particles. Dyson purifiers remove these common pollutants from commercial environments.

Key Features
  • Engineered for professional environments such as offices, classrooms and hotels
  • Whole-machine HEPA 13 filtration
  • Quiet setting:43dBA 
  • Destroys formaldehyde, continuously,
  • Removes common pollutants form commercial environments
Scope of Use
  • Engineered for professional environments such as offices, classrooms and hotels
  • Spaces up to 100m²
  • Plug-in appliance — cord length: 1.8m
Other Performance Attributes
Quiet setting: 43dBA
Maximum setting 55.6dBA
Low: 50 litre/s
High: 90 litres/s
Filter Life: 
Carbon filter: 8,760 hours
HEPA filter: 21,900 hours
Power Consumption: 
Standby:   <0.5W


Test completed in a 100m² (12.7m x 7.9m) room with the purifier placed in one corner and source of pollution in opposite corner. The room had 36 sensors to determine PM2.5 distribution and purification. Results may vary in practice.

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%

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

Tested for filtration efficiency at 0.1 microns (EN1822, ISO29364)

Technical Specification Sheet
Operating Manual
Additional Information

Dyson are a leading global technology company, committed to developing breakthrough technology and solving the problems others ignore.

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