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Smart glass and daylight harvesting: Advanced light control that saves energy

Post Time:Apr 17,2009Classify:Industry NewsView:647

Windows are integral features of commercial and residential buildings. From a design perspective, they are drivers of a building’s aesthetic appeal, give occupants a connection to the environment, and introduce natural light into the building. Functionally, windows support safety needs and can provide ventilation.
The energy efficiency of architectural windows has improved over the years. With buildings in the U.S. representing 40% of the nation’s primary energy use according to the U.S. Green Building Council, such improvements are strongly embraced by the architectural community.

Satisfying interior lighting needs while minimizing energy costs is especially important to building owners. The U.S. DOE reports that artificial lighting accounts for 25% and 12% of the energy used in commercial and residential buildings, respectively. Overall, the U.S. Green Building Council reports that buildings in the U.S. account for 72% of the country’s total electricity consumption. The energy impact of artificial lighting is not fully captured by these data, however, because lighting generates heat which elevates cooling requirements.

Smart glass allows users to regulate the amount of light passing through windows and other products including skylights, doors and partitions. This is accomplished without the need for conventional window treatments such as blinds, shades or curtains because the light-controlling technology of smart glass is within the glass itself.

Source: www.smartglass.com Author: shangyi

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