To simultaneously purify and heat a whole room properly, the Dyson Pure Hot+Cool(TM) HEPA air purifier, heater and fan goes beyond standard tests by automatically sensing pollution, capturing ultrafine pollutants, and projecting purified and heated air using Air Multiplier(TM) technology. It is the only purifying heater designed and tested to do this. Monitor your air quality with the Dyson Link app. It can also give you reports on temperature, humidity and filter life. The purifier also features a draft-free backward airflow mode and has an adjustable oscillation angle from 45° to 350°, to project purified air around the whole room. Plus, a night mode uses the quietest settings and dims the LCD display.