TERI Develops Novel Window Shading Solution
The Energy and Resources Institute (TERI) in partnership with the Department of Science and Technology has developed a novel external shading solution for windows for achieving indoor comfort with reduced electricity consumption in air conditioning and lighting. This technology, named ShadeSmart, will help bring more daylight with less heat inside the buildings, thus making occupants comfortable and also more productive and healthy, the statement noted. The technology changes its configuration depending upon the Sun's position. For example, when the Sun is in the east direction, the east facade windows will be shaded, once the Sun is in South orientation during noon, ShadeSmart configuration on east changes to provide unobstructed external views and glare-free daylight. The criterion of design for residential and commercial buildings differs substantially due to differences in activity and occupancy patterns, each design is derived through a unique methodology ensuring highest benchmarks of comfort and energy efficiency. The second technology, radiant cooling, where cooling is achieved through radiant heat transfer, as against regular convective air conditioning is efficient and gives better quality of thermal comfort. At present, energy and comfort audits of existing radiant cooled buildings, energy simulations, and finally, construction of a demonstration habitat is being undertaken. Besides, the process to integrate radiant cooling in the National Building Code is being undertaken. Radiant cooled buildings have an extremely high potential of energy-saving (60-70 per cent).
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