What you need to know
Fact 9 out of 10 system failures are caused by dirt and dust (LCES) Louisiana Cooperative Extension Service.
Fact Clean systems restore capacity and lessen running time. Translation: Savings on monthly heating/cooling bills. (LCES)
Fact A buildup of .042 inches of dirt on a heating or cooling coil can result in a decrease of efficiency of 21% . (EPA) Environmental Protection Agency
Fact Most commercially purchased fiberglass filters are only 7% efficient in stopping dirt, dust, pollen, etc. passing through it. (ASHRAE)
Fact 50% of all illnesses are either caused or aggravated by polluted indoor air. (American College of Allergists)
Fact One out of six people who suffer from allergies do so because of the direct relationship to the fungi and bacteria in air duct systems. (Total Health & Better Health Magazines)
Fact Legionnaire's Disease was spawned in air conditioning ducts. It killed 29 people in 1976. (American Lung Assoc.)
Fact In the summer of 1988 at least seven people died in the Los Angeles area from Legionnaire's Disease. (Modesto Bee 9/22/88)
Fact Children are more likely than adults to be affected by the Polluted air - they breathe faster, inhale more air per unit of body weight and are closer to the ground where concentrations are higher. (Dept. of Consumer Affairs)
Fact The elderly, asthmatics, and people with breathing problems, allergies, and lung diseases are also likely to be more sensitive to pollutants. (Dept. of Consumer Affairs)
Fact Most people spend 60-90% of their time indoors. (ALA) American Lung Association
Fact Indoor air is found to be up to 70 times more polluted than outdoor air. (EPA) Environmental Protection Agency.