Indoor air quality has aroused increasing concern in recent years, with home buyers worried about everything from carpet fumes and formaldehyde to excess moisture and dust mites. These problems have been compounded by improved building practices that, in many cases, have created tighter homes. But a house doesn't have to be airtight, or even close to it, to have poor indoor air quality. Of course, the best solution to indoor air problems would be to eliminate from the home all the products that emit air pollutants, but this is impractical and costly. And moisture from people, plants, pets, cooking, and bathing is a fact of indoor life. The most practical way
