How Many Inlets Are Needed?

Americans spend 90% of their time indoors: either at home or work where they're exposed to high levels of airborne particles.

Six out of 10 homes and buildings are "sick" and are hazardous to occupants. -- U.S. Environmental Protection Agency

60 million Americans suffer from allergies and asthma; one of the top five environmental risks to public health. -- American Academy of Allergy, Asthma and Immunology

Air pollution contributes to lung disease, including respiratory tract infections, asthma and lung cancer. Lung disease claims close to 335,000 lives in America every year and is the third leading cause of death in the United States. Over the past decade, the death rate for lung disease has risen faster than for almost any other major disease. -- American Lung Association

Central vacuum systems provide cleaner indoor air by efficiently removing particles without stirring up microscopic dust particles and re-emitting them into the interior of the home. The vacuum receptacle is vented outside of the living space keeping the air inside free of pollutants. -- The Healthy House Institute

About 500,000 hospital admissions and 5,000 deaths are attributed to asthma annually. -- Online Allergy Center

Homes built after 1979 have tighter insulation wraps -- trapping smoke, odors and other contaminants indoors.

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