Facts on Air Quality -

Air Ducts & Dryer Vents

The average six room house collects 40 pounds of dust each year. (Discover Magazine)
Nine out of ten system failures are caused by dirt and dust. (Louisiana cooperative Extension Service)
Clean systems restore capacity and lessen running time. Translation: Savings on monthly heating and cooling bills. (Louisiana cooperative Extension Service)
A buildup of .042 inches of dirt on a heating or cooling coil can result in a decrease in efficiency of 21%. (Environmental Protection Agency)
Most commercially purchased fiberglass filters are only 7% efficient in stopping dirt, dust, pollen, etc. from passing through. (American Society of Heat, Ref., Ac. Engineers)
50% of all illnesses are either caused or aggravated by polluted indoor air. (American College of Allergists)
One out of every six people who suffer from allergies do so because of the direct relationship to the fungi and bacteria in their air duct systems. (Total Health & Better Health Magazine)
In general, indoor air is four to five times more polluted than outdoor air. (www.trane.com)
The average American inhales about two tablespoons full of airborne particles each day. (www.achooallergy.com)
The average U.S. home can save almost 30% on their energy bill by cleaning and maintaining dryer vent lines. (www.thedryerventking.com)
According to the 1997 estimates by the U.S. Consumer Product Safety Commission there were 15,600 fires, 20 deaths, 370 injuries and $75.4 million in property damage all attributed to dryer fires. (www.thedryerventking.com)

Air Doctor Before And After View Of Dryer Vent