There have been more than 17 million single family homes constructed since the late 1970s. Built and insulated to be extremely tight, they are also those homes with the highest incidences of indoor air quality problems.
Common pollutants from the home, people, and contents, along with temperature
Moisture
Too much moisture can cause allergy problems and structural damage by encouraging the growth of mold, mildew, bacteria, dust mites, dry rot, and insects.
Common Household Chemicals
* Cleaning supplies
* Paints and solvents
* Formaldehyde from furniture, carpet, and building materials
* Pesticides
* Volatile organic compounds
* Odors
Particles
* Dust and dust mites
* Pet dander
* Pollen
* Lead
* Asbestos
Tobacco Smoke
A health risk to smokers and nonsmokers alike - children are especially at risk.