Many homes face indoor air quality problems, but occupants either don't pay attention or recognize the warning signs.? The most obvious signs of an indoor air quality problem are those that affect one's health or can be detected by one's senses such as:

• odors
• stale or stuffy air
• cold-like symptoms all year long
• allergic reactions for no apparent reason
• dizziness and fatigue when indoors
• more alert when outdoors

Other signs of indoor air quality problems can be determined upon inspection of physical items around the house.? These signs can be associated with products, activities, or lifestyle including:

• soot or dark films in corners or around door openings
• damaged flue or chimney
• recent remodeling of home, new carpeting, paint, etc.
• new furniture or pressed wood products that give of noxious gases
• excessive humidity
• unvented fossil fuel appliances

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