
Is Your Carpet an Effective Air Filter?
Carpets play a vital role in indoor air quality (IAQ). Unlike hard surface floors that do not prevent dust and other allergens from being stirred back up into the air, carpet traps contaminants safely within its fibers. Facility maintenance personnel and homeowners alike are diligent about changing HVAC air filters to improve indoor air quality by reducing air pollutants. However, many people overlook the largest air filter in a building: the carpet. As the U.S. Environmental