Indoor air quality – industrial hygeinemodel1. Avoid generating contaminants indoors when possible.2. Remove known contaminants where and when they happen.3. Dilute unknown and unavoidable contaminants. common sense, not rocket science.
Avoid indoor contaminants No smoking policies Formaldehyde-free building products Low/no VOC products Mold remediation Asbestos Eliminate indoor combustion appliances
Remove known contaminants where andwhen they happen. Bath and kitchen exhaust Moisture cooking byproducts Radon mitigation systems Direct-vented combustion appliances
Dilute unknown and unavoidablecontaminants Natural infiltration uses a lot of energy air can come through attic, crawlspace, garage – is this clean? pests use the same pathways Tight home + mechanical ventilation efficient reliable – does not depend on weather can add filter or dehumidifier to system