Dyson, of course. If, like me, you’re always debating when to turn on the heat, you might want to consider adding the Hot and Cool Bladeless Fan to your home. It’s available for a discounted ...

Here’s how it works. 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.