Whether you’re battling a heat wave, an overzealous radiator, or a landlord who takes months to turn on the central air, the right floor fan can bring ... you choose the best for your home ...

The Dyson Purifier Cool Autoreact (buy now) is a powerful blade-free floor fan projects purified air all around your room. Sizeable and expensive, it’s the ultimate choice for cooler, cleaner streams.