Our homes need ventilation

Today's homes are built tightly, which helps make

When we think of buying, building, or updating a home, we all too often focus on aesthetic features rather than factors such as the quality of the indoor air. In fact, according to the American Lung Association, in 1999 85 percent of Americans didn't realize the air in their homes might be a health hazard.

The good news, however, is that we are becoming increasingly aware of the importance of indoor air quality and health. We are demanding better comfort and healthier air. Ventilation is a system of exhaust and supply that creates a flow of air. Effective systems require a proper balance of exhaust and supply air. A good home ventilating system provides a wide array of benefits, described in this guide. Additionally, offering these systems gives heating, ventilating, and air conditioning (HVAC) contractors and builders the advantage of offering their customers proper ventilation using performance-certified products.