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52   THE PRACTICE OF INTEGRATED DESIGN

































                      Figure 3.4  The pie chart is the baseline for
                     assessing energy performance, once all efficiency
                     measures and solar contributions are analyzed. From
                     the chart, it’s easy to see that heating dominates the
                     energy use in this example, requiring more than half
                     the total energy of the base building. Data based on the
                     Oregon Energy Code.



                       because it’s not just about the mechanical and electrical systems, it’s also the
                       structural engineer and the glazing consultant. It’s about getting the communica-
                       tion started so everybody understands how the energy is being used, what the
                       energy pie looks like and what can we all do to contribute to reducing the overall
                       size of the energy pie.

                       I cannot emphasize too strongly that the design professions have a strong responsi-
                     bility to work with clients to establish adventurous goals for projects, especially in the
                     energy performance arena, if the industry is ever to have a chance to solve the chal-
                     lenging issues of global warming. Even the Architecture 2030 goal of 50 percent sav-
                     ings by 2010 (compared with 2005 averages) may prove to be too modest.* We really
                     need to begin to design projects with the goal of completely eliminating carbon emis-
                     sions from energy use, not only at the building site but also at the source, the power
                     plant. About three-quarters of all electricity produced in the United States is used in
                     buildings, so it’s in building design that the solution must lie.

                     *Architecture 2030, www.architecture2030.org.
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