Experience cleaner more comfortable air year-round with the Dyson Purifier Hot+Cool HP2 De-Nox. This advanced 3-in-1 device heats cools and purifies your entire room. It precisely detects and destroys formaldehyde captures ultrafine pollutants and adsorbs 50% more No2. Featuring Air Multiplier technology and a stylish white and gold finish it ensures powerful airflow and even room heating keeping your space healthier and more comfortable in every season. Automatically captures pollutants and gases, destroys formaldehyde, and absorbs 50% more NO2.,Captures 99.95% of particles as small as 0.1 microns. Tested for filtration efficiency at 0.1 microns (EN1822), air projection (DTM801), purification coverage in a 81m3 room (TM-003711) and heating performance in a 35m3 room (DTM 961).,Air Multiplier technology delivers over 290 litres per second of powerful airflow to purify the whole room.,Night mode. 50% quieter than max fan speed for lighter sleepers.,Control and monitor air quality from anywhere using the MyDyson app. App functionality may vary per market. Requires Wi-Fi and app app enabled device. Standard data and messaging rates may apply. Requires iOS version 15 or above, or Android version 8 or above.