By Michelle Krueger, http://www.nwitimes.com
When it comes to air sealing and ventilating, new residential building codes are now in place to ensure energy efficiency as well as the comfort of the homeowner. In many existing homes, there can be a number of uncontrolled air leaks that add up to the equivalent of leaving a window open 24/7.
While its been reported that air sealing uncontrolled leaks can reduce energy bills anywhere from 10-20 percent or more in some cases, its important to understand a home’s ventilation before undertaking any project. The advice of a certified home contractor may even be needed to avoid creating an unhealthy and potentially-life threatening environment.
With indoor air pollutants such as carbon monoxide, dust mites, pollen, radon, mold, excessive carbon dioxide, volatile organic compounds and other chemicals identified by the EPA as contributing to poor indoor quality that causes or contributes to health concerns such as asthma, headaches, dry eyes, nasal congestion, nausea and fatigue, it’s extremely important to understand the role of proper ventilation or air exchanges. Indoor air is on average two to five times more polluted than the air outdoors and can be up to 100 times more. Read More