With the Dyson Purifier Hot+Cool HP1, you can set the exact temperature you want for your room. This air purifier heats the air and automatically stops when the room reaches the right temperature, so you don’t waste energy. The device filters 99.95 percent of the smallest particles from the air and is fully sealed according to the HEPA 13 standard. This way, every particle that enters the air purifier stays inside, so you get truly clean air. You can connect the air purifier to a smartphone app. This lets you control the device remotely and instantly see information about the air quality in your home. That way, you’re always up to date on your air quality.