Check this link out it is full of interesting material about "IAQ"
http://www.aanma.org/
Allergy & Asthma Network
Mothers of Asthmatics
Jim:
In terms of achieving a "smart building" that provides its operators with timely and accurate diagnostic feedback on ventilation and moisture management performance, as well as the option for automatic control, I have been impressed with the robust shared-sensor monitoring system for CO2, CO, and dew point from AIRxpert Systems, Inc.
David W. Bearg, PE, CIH