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These folding louvered porch doors provide effective shade from low-angle east and west sunlight and can open for views; the photovoltaic panels overhead allow in filtered natural light
Pleated blinds provide cooling savings in summer by blocking and reflecting sunlight, while allowing some diffuse daylight to pass through.
Right - These interior solar screens help control glare and solar heat gain while maintaining view to the outside.
Right - These retractable awnings provide shade to this outdoor living space and reduce heat gain and glare within the home.
Right – This model home for the Solar Decathlon competition incorporates vertical trellises and retractable exterior blinds to control solar heat gain.
Seven categories of exterior window shading attachments, identified on the DOE Efficient Window Coverings website.
The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.
The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.