(Airdog) Silicon Valley Air Expert Inc. is a leading air purifier company founded by a group of technology experts and entrepreneurs from Silicon Valley. We are dedicated to developing innovative air purification solutions based on ionic wind technology. Our Airdog air purifiers are high-performance and eliminate the waste and expense of disposable filter cartridges. Airdog is silent, energy efficient, and easy to use. It offers you clean air and is a green solution to purifying the air in your home.