How long do solar panels last?

— Ed Vedder Saint Louis, MO

Answered by Harold Remlinger, AIA, LEED AP, NCARB on June 6, 2011

Are there lenders and appraisers who focus on green homes?

— Jeff B. West Hills, CA

Answered by Ryan Flegal on January 21, 2011

How much would it cost me to power my 2000 sq ft home with solar?

— Chad Akers Grand Rapids, MI

Answered by Scott Johnson on December 20, 2010

I want to convert to solar energy. Where do I start?

— david johnson Stroudsburg, PA

Answered by Anthony Addesso on November 9, 2010