Indoor Air Quality (IAQ) is in reference to air quality in and around facilities and its affects on health and wellness of facility occupants according to the Environmental Protection Agency (EPA). Short term effects can include irritation to the eyes, nose, throat, headaches, dizziness, and fatigue while long term effects can lead to several different diseases including respiratory, heart, and even cancer. Some common pollutant sources include:

• Fuel burning appliances
• Tobacco
• Asbestos
• Building material chemicals
• Household cleaning products
• Central HVAC systems
• Humidification systems
• Radon
• Pesticides