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Energy Efficient Building Design

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Otto Van Geet, NREL FEMP<br />

TTF (Thermal Test Facility)<br />

• <strong>Energy</strong> Features<br />

– Daylighting (75%)<br />

– Direct/indirect evaporative cooling<br />

– Possibility of active solar hot water<br />

– Managed solar gains (overhangs)<br />

– High efficacy lighting with lighting control<br />

– <strong>Energy</strong> management system<br />

– Ceiling fans<br />

– Separate ventilation system<br />

– Passive solar gain with good<br />

thermal envelope<br />

• 63% energy cost savings

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