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  • 1 Tested to DTM – 004533.
  • 2 Gas capture rates vary
  • 3 Filter efficiency tested at 0.1 microns (EN1822)
  • 4 Fan; not air conditioning unit
  • 5 We challenged our purifier with airborne influenza A (H1N1 virus) at an independent lab. After 60 minutes at maximum fan speed, the airborne concentration in the chamber was reduced by 99%. Real-life efficacy may vary.
  • 6 In maximum setting. Tested for air projection, purification coverage in a 81m³ room.
  • 7 Tested for filtration efficiency at 0.1 microns (EN1822, ISO29463).
  • 8 Compared to fan speed 10
  • 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.
  • 10 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%.
  • 11 Compared to earlier generation. Tested in a 35m³ room (DTM961).
  • 12 Dyson’s Purifier Hot + Cool Machines have built in thermostats which can save you up to 30% in running costs when maintaining room temperature