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Energy Efficient Building Design

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10%<br />

10%<br />

Otto Van Geet, NREL FEMP<br />

Lighting <strong>Energy</strong> Consumption<br />

In a typical commercial office building,<br />

lighting can be the largest energy<br />

load.<br />

15%<br />

25%<br />

40%<br />

lighting<br />

cooling<br />

envelope<br />

plug load<br />

ventilation

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