ATMOSPHERE Air Purifier &ndash; White IntelliSense technology gives you an automatic one-touch mode that monitors and protects the quality of your homes environment  even when youre not there. ATMOSPHERE Air Purifier exceeds the strict energy efficiency guidelines established by the United States Environmental Protection Agency for energy efficiency of room air cleaners. When you want to clear the air of cooking, pet odors, smoke, or other contaminants, and you want to do it in a hurry, turn on the Turbo Power. With the Turbo Power function youll be able to clear and clean the air in up to a 390-square-foot room. Quiet operation is as important to the comfort of your home as clean air. Atmosphere offers you both with the unique Pureflow system. The Pureflow system eliminates excessive fan noise by operating only when it is needed. Its a breath of fresh air in air purification technology.