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Daylighting, Products + Technology

Smart Windows: Energy Efficiency with a View

NREL research scientist Dane Gillaspie holds a sample of an electrochromic, or color-changing, window inside an accelerated weathering chamber at the Field Test Laboratory Building. Prototype windows are subjected to extreme simulated conditions to determine their performance and durability. Refresh your browser to see the glass change color from clear to opaque and back.

Researchers at the National Renewable Energy Laboratory are working on the technological equivalent of putting sunglasses on buildings with a new generation of insulated “dynamic windows” that change color to modulate interior temperatures and lighting.

NEMA’s got the story here.

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Craig DiLouie
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ALA Conference 2026
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