Credits are extended into 2011, but aren’t as much of an incentive.

Forget holiday door-buster sales. For big savings, some homeowners are actually buying themselves new doors for Christmas this year, in time to claim the government’s tax credit for home energy efficiency on their income taxes.

http://finance.yahoo.com/real-estate/article/111656/credits-for-energy-upgrades-reduced?mod=realestate-homeimprove