Associated Press: Making energy efficient improvements to your home will do more than reduce your energy costs — they’ll also reduce your tax bill. The tax credit for energy-efficient windows or doors, air conditioners or furnaces, or other energy-saving improvements disappeared in 2008, but returned for 2009 and 2010 — at an even higher value. This is one case where procrastination paid off. Under the American Recovery and Reinvestment Act of 2009, homeowners who made the improvements are …