When the temperature heats up, ensure you’re not feeling sticky and uncomfortable at home by opting for something to cool you down from our choice of Dyson air purifiers. Our selection features designs from Dyson that help to freshen up the air in your house, ranging from the Dyson Pure Cool Purifying Fan to the Humidify+Cool PH04 Air Purifier which combines purifying, humidifying and cooling all into one unit. Improve the air in your home with a Dyson air purifier from John Lewis & Partners.