In response to this morning’s radio segment from the Iowa Environmental Focus, we received an email informing us that the issues with radon concentrations in energy efficient homes are more complicated than we initially realized. Dr. William Field of the University of Iowa shared with us a report he prepared for the EPA last year, which helps clarify this topic. Continue reading
Often, the energy efficient measures taken to reach Energy Star guidelines include effective insulation, high-performance windows, tight seals and efficient heating and cooling systems.
Iowa was among sixteen states that had over 25 percent of its homes reach Energy Star certification in 2010. The other states were Arizona, Colorado, Delaware, Hawaii, Kentucky, Maryland, Nevada, New Jersey, New Mexico, Ohio, Oklahoma, Rhode Island, Texas, Utah, and Vermont.