Dyson fans cost several hundred dollars, so we were surprised to see the Dyson Pure Cool Tower TP4A at just $149.99.

This futuristic-looking home appliance pulls double duty, working as an oscillating tower fan, heater and an air purification ...

it's Dyson's best fan, best heater and best air purifier ever, all in one understated package. Okay, understated by the standards of a gold fan that costs £500, $750 or AUS$900. With the mercury ...