How much does a hot water recirculation pump cost, including installation?

— Sid Vicious San Diego, CA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on April 10, 2012

What are the "low hanging fruits" in terms of essential green building materials? What materials are the cheapest and greenest?

— catie carter Austin, TX

Answered by Cassy Aoyagi on April 5, 2012

How can I connect my heat pumps to a solar water heater for radiant floor heating?

— george delis Memphis, TN

Answered by Polly Osborne, AIA, LEED AP on April 5, 2012

How should I add insulation to my 87 year old house?

— Maria Wichita Falls, TX

Answered by Lucas Johnson on April 3, 2012

We are wondering if it is safe for us to follow the energy experts' recommendation of blown in cellulose insulation in our attic.

— Kris K Woburn, MA

Answered by Lucas Johnson on April 3, 2012

My contractor claims that he has used some sort of alternative to Tyvec that is 'painted on'. I can see no evidence of anything like that.

— Becky Bellefontaine, OH

Answered by Harold Remlinger, AIA, LEED AP, NCARB on April 3, 2012

We want to install radiant heating. How do we insulate the concrete slab floor?

— Cathleen Cottonwood, AZ

Answered by Harold Remlinger, AIA, LEED AP, NCARB on April 3, 2012

How can we preserve the grey color of our reclaimed barnwood countertops when we seal the wood? We need to make it washable.

— Cindy Clay Saint Paul, MN

Answered by Harold Remlinger, AIA, LEED AP, NCARB on April 3, 2012

Who would I contact to get my attic properly ventilated?

— James Belanger Oakland, ME

Answered by Elizabeth DiSalvo on April 3, 2012

We've got moisture/mold issues after spraying closed cell foam in the rafters of our 1925 home's unfinished attic.

— Gena Dennis Wausau, WI

Answered by Lucas Johnson on March 30, 2012

 

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