http://ts.realestate.com/blogs/tipsandtools/archive/2007/01/11/making-your-home-energy-efficient.aspxAn energy-efficient home is not only more economical, it's also healthier Poor air quality can be caused by humidity, drafts, cold windows in the winter or hot windows in the summer. Energy efficiency improvements reduce these problems. Here are someenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)