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- To: "GSBN" GSBN@...
- Subject: Re: GSBN:Cemento
- From: Catherine Wanek cat@...
- Date: Tue, 03 Jul 2007 15:04:04 -0600
- Reply-to: "GSBN" GSBN@...
- Sender: "GSBN" GSBN@...
At 11:43 AM 7/3/2007, `Darryl wrote:
...... in Stuart Cowan / Sim Van der Ryn's book, Ecological
Design. They mention it almost in passing that 97% of the energy
used in buildings in the U.S. is "maintenance energy" which is what
is required to heat, cool and fix.
I heard this "statistic" a number of years ago during a presentation
at a Department of Energy -sponsored conference. It was given as
part of the results of a study done by the concrete industry.
For what it is worth, their results were: 95% "maintenance energy,"
based on a 100-year life of a building.
Each year the amount of energy lost through UNINSULATED homes in the
United States is equivalent to the amount of fuel delivered annually
through the Alaskan Pipeline -- U.S. Department of the Interior, 2000
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