We are adding a dormer on our home. What energy improvements can we consider?

— Emily Huntington Station, NY

Answered by Sergio Grado on February 22, 2011

Can you recommend suppliers of low U-value solid wood windows?

— Jessie Turnbull Brooklyn, NY

Answered by Florian Speier on February 4, 2011

Is there one brand of vinyl windows that is more energy efficient and reliable?

— Margy Brookes San Diego, CA

Answered by Elizabeth DiSalvo on December 22, 2010

How can I keep the dirt, pollen, and sand out of my screened sunroom?

— Debi Reiss Panama City, FL

Answered by Polly Osborne, FAIA, LEED AP on October 16, 2010