Blown away: We test summer's coolest fans and air purifiers

We break down the tech, from economical chill choices to super fans that do so much more than stirring the air 

From left, the Tower, the Beurer, the Dyson and the Shark models.

Summer has finally limped in, it’s over 17C, you’re Irish, and you’re prone with a moan. Every year we see a rush on domestic cooling fans, with many models selling out in a few days. Let’s get ahead of the thundering crowd, with everything from economical chill choices to super fans that do so much more than stirring the air. 

Most fans just move the air in the room, they don’t actually “cool” the air with a refrigerant as an air conditioner does.