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THE BENEFITS OF GOOD VENTILATION

More than 35 million single-family homes have been constructed since the late 1970s. Well-built and insulated to be extremely airtight to reduce energy consumption, these homes also can experience higher rates of indoor air quality problems.

Common pollutants from materials, people, activities

and contents used to build the home, along with excess moisture, can create an unhealthy environment. They include:

Excess Moisture

Too much moisture can contribute to allergy problems and structural damage by encouraging the growth of mold, mildew, bacteria, dust mites, dry rot and insects. Showers, cooking and people produce moisture on a daily basis.

Common Household Chemicals and Pollutants

* 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

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