What is a practical solution to add wind power for my home?

— Steve Collins San Diego, CA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on January 27, 2011

Would you recommend passive solar design for North Texas?

— tungtruong Grand Prairie, TX

Answered by Randy Potter on January 6, 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

Does a solar water heater have an AFUE?

— Don Juan Santa Fe, NM

Answered by Rick Goyette on December 9, 2010