Indoor air quality problems can result from excessive moisture, radon, combustion gases, and many other contaminants that may accumulate inside. The first strategy to achieving good indoor air quality is to stop these contaminants at their sources. However, not all contaminants can be completely eliminated at the source, for example excessive moisture in kitchens and bathrooms. Proper ventilation strategies can reduce indoor pollutant levels by bringing in enough outdoor air to dilute emissions from indoor sources and by carrying indoor air pollutants out of the home.
What causes indoor air quality problems?
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