animaux wrote:
We have significantly less pollutants in our home than are outside. When there
was construction the air was much harder to keep filtered. Nothing is 100%, but
you certainly can improve indoor air quality if you take proper measures.

I'm sorry if I appear to be stubborn, but unless you have all your windows
pefectly sealed, and all your doors perfectly sealed, the air inside your
house it not particularly cleaner than the air outside. HEPA filters and all.


--
Victor M. Martinez

http://www.che.utexas.edu/~martiv