One of the most recognised is British-born Dyson. The company has been innovating in the air filtration space for years now, and it’d be pretty difficult to find a firm who takes so much care when ...

Are Dyson fans worth the money? Also peruse: Dyson Pure Hot + Cool Formaldehyde review Or our Dyson Cool AM07 Tower Fan review Dyson's three-in-one costs £599 in the UK and $799 in the USA.

Here's the Dyson HP09 Pure Hot + Cool Formaldehyde review in a big, windy rush: it's Dyson's best fan, best heater and best air purifier ever, all in one understated package. Okay, understated by ...