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Are there any recycled roofing products that look like composition shingles? Are there any made from nontoxic materials?

— Scott Beeman

Answered by Kati Curtis on March 12, 2010

If there is no heating system required for a passive house design, will I be wearing a sweater most of the winter to keep the chill off?

— Zeta Olympia, WA

Answered by Tessa Smith on March 12, 2010

Can you suggest eco-friendly materials for a sand fence on our beachfront property?

— Cindy Miller Milford, DE

Answered by Richard Heller on March 9, 2010

Do you know anything about a product called IceStone -- recycled glass and concrete for countertops?

— Joanne New York, NY

Answered by Susan Welker, AIA, LEED AP, RID, NCARB on March 9, 2010

I'm building a brick home in a humid climate. I'm confused as to which foam insulation to use for walls/attic: closed or open cell?

— Charles Kent Laurel, MS

Answered by Danny Kelly on March 9, 2010

Is cork flooring really a green product? It seems fairly accepted that it's a renewable raw material, but is the final product really green?

— Sandra Far Hills, NJ

Answered by David Bergman on March 9, 2010

Can you recommend cost-effective auxiliary HVAC solutions for a passive solar home?

— Michael Schonlau

Answered by Kristina Hahn | AIA | RA | LEED AP+HOMES on March 8, 2010

We are looking to replace our current water softener and drinking-water filtration system. Do you have any suggestions?

— Amanda Saint Charles, IL

Answered by Erik Henry on March 8, 2010

What are the pros and cons of electric cove radiant heating for our home in terms of efficiency, safety, and reliability?

— Shelly Manhattan Beach, CA

Answered by Kristina Hahn | AIA | RA | LEED AP+HOMES on March 8, 2010

Can I build a prefab house from shipping containers and still meet Passivhaus requirements?

— Nick Losi Olympia, WA

Answered by Kristina Hahn | AIA | RA | LEED AP+HOMES on March 8, 2010

Can you recommend good low-flow showerheads?

— Melanie Los Angeles, CA

Answered by Kristina Hahn | AIA | RA | LEED AP+HOMES on March 8, 2010

What would be the best type of wood for a bathroom shower?

— Alex Lucas

Answered by Erik Henry on March 8, 2010

My soffits are covered with insulation. Do I remove all insulation over the soffits or push it back and put sleeves in?

— wendy ashby Davenport, IA

Answered by Erik Henry on March 8, 2010

What is causing the pressure relief valve on our gas-fired hot water baseboard heating unit to leak?

— jorge Bayonne, NJ

Answered by Erik Henry on March 8, 2010

I am considering replacing aluminum windows and have heard that vinyl can offgas forever. Is this true?

— Cyndi Holcombe Coronado, CA

Answered by Alex Georgiou on March 4, 2010

 

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