How can I keep the dryer heat in the house without the dust?

— Nelson Nafziger Parkesburg, PA

Answered by Rick Goyette on April 29, 2010

I need to replace my ducts. What type of duct would be best?

— Nadine Findley Concord, CA

Answered by David Lavender on April 25, 2010

Is quartz solid surfacing green?

— jc Sea Isle City, NJ

Answered by Kati Curtis, LEED AP ID&C, CID on April 8, 2010

What are the top five ways to improve my indoor air quality naturally?

— Janice Levine Denver, CO

Answered by Evan Little on April 8, 2010