Tax savings on certain improvements to your home have been extended to December 31, 2013. You can find out what improvements qualify in the Taxpayer Relief Act. Check out the tax credit information on the Internal Revenue Service form 5695, this will give you more detailed information. Every penny counts, so see if you can take advantage of this credit, if you are thinking of remodeling or making upgrades to your home.
Always check with your accountant or tax person prior to making improvements such as this to make sure you qualify and can take advantage of the credit. You can check out energy.gov for updates also.