• "Most people spend 60% to 90% of their time indoors." - American Lung Association & EPA
• "20% of all illnesses are either caused by, or aggravated by, polluted indoor air." - American College of Allergists
• "The average 6-room house collects 40 pounds of dust each year." - Discover Magazine
• "The levels of some hazardous pollutants in indoor air has been found to be up to 70 times greater than in outdoor air." -USEPA
• Studies have shown that two out of three indoor air quality problems involve the HVAC/Air Duct System.
• More than 50 million Americans suffer from allergies.
• "One out of six people who suffer from allergies do so because of the direct relationship to fungi and bacteria in air duct systems." - Total Health and Better Health Magazines
• "10-12 million Americans suffer from Asthma." American College of Allergists
• "Children and the elderly are especially affected by polluted indoor air." - Department of Consumer Affairs

Things that are in your air ducts

• Insects
• Rodents
• Dust & dust mites
• Animal air and dander
• Pollen
• Dead skin
• Cigarette tars
• Asbestos