Information Center — Agriculture
Using Exhaust Fans to Keep Indoor Air Clean
Agriculture Industrial Portable The Home The Workplace
According to the Environmental Protection Agency, indoor air can be two to five times more polluted than air from outdoors. To keep air quality optimal for homeowners and employees, various methods of ventilation can be used to exchange stale indoor air with fresh outdoor air. The American Society of Heating, Refrigerating, and Air-conditioning Engineers (ASHRAE) suggest air circulation in the amount of 15 cubic feet per minute (CFM), per person to maintain a safe balance of indoor and outdoor air. Equipment, installation, operation, and maintenance are key to striking a balance in air quality. The overall design of a system...