The quality of the air we breathe indoors has become an increasingly important environmental concern.

Following are facts that have been determined by recognized authorities in the fields of health and air quality:

FACT:
Most people spend 60% to 90% of their time indoors. (AMERICAN LUNG ASSOCIATION)

FACT:
50% of all illnesses are either caused by, or aggravated by, polluted indoor air. (AMERICAN COLLEGE OF ALLERGISTS)

FACT:
The levels of some hazardous pollutants in indoor air has been found to be up to 70 times greater than in outdoor air. (USEPA)

FACT:
Studies have shown that two out of three indoor air quality problems involve the HVAC System.

FACT:
More than 50 million Americans suffer from allergies.

FACT:
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)

FACT:
10–12 million Americans suffer from Asthma. (AMERICAN COLLEGE OF ALLERGIST)

FACT:
Children and the elderly are especially affected by indoor pollution. (DEPARTMENT OF CONSUMER AFFAIRS)

FACT:
Most commercially available fiberglass furnace filters are less than 7% efficient. (ASHRAE)