According to American College of Allergists, 10-12 million Americans suffer from Asthma.

According to American College of Allergists, 20 percent of all illnesses are either caused by, or aggravated by, polluted indoor air.

According to American Lung Association, air ducts have more germs than a chicken coop.

According to American Lung Association & EPA, most people spend 60 to 90 percent of their time indoors.

According to ASHRAE, most commercially available fiberglass furnace filters are less than 7% efficient.

According to Better Health Magazine, one out of every six people who suffer from allergies do so as a direct result of the fungi and bacteria in the air duct systems.

According to the Department of Consumer Affairs, children are more likely than adults to be affected by polluted indoor air.

According to Department of Consumer Affairs, children and the elderly are especially affected by polluted indoor air.

According to Discover Magazine, the average 6 room house collects 40 pounds of dust a year.

According to the EPA, a build up of 0.42 inches of dirt on a heating or cooling coil can result in a decrease in efficiency of 21 percent.

According to the EPA, indoor air pollution is among the top five U.S. health risks.

According to the EPA, indoor air has been found to be up to 70% more polluted than outdoor air.

According to Department of Consumer Affairs, children are more likely than adults to be affected by polluted indoor air.

According to Louisiana Coop Extension Service, 9 out of 10 HVAC systems failures are caused by dust and dirt.

According to Science Illustrated, many viruses and bacteria use dust particles as rafts to ride the air.

According to Total Health and Better Health Magazines, one out of six people who suffer from allergies do so because of the direct relationship to fungi and bacteria in air duct systems.