2011 Federal Tax Credits for Consumer Energy Efficiency provide a tax credit of 10% of the improvement cost up to $500.  The 2011 tax credits expire on December 31, 2011.  To research more about the 2011 Federal Tax Credits for Consumer Energy Efficiency click this link….

http://www.energystar.gov/index.cfm?c=tax_credits.tx_index

Other States Incentives can be research at DSIRE website.