Experimental Analysis of Glazed Windows for Green Buildings

Green Building, also known as green construction or sustainable building, is the practice of creating structures and using processes that are environmentally responsible and resource-efficient throughout a building's life-cycle: from siting to design, construction, operation, maintenance, renovation, and deconstruction. It often emphasizes taking advantage of renewable resources, e.g., using sunlight through passive solar, active solar, and photovoltaic techniques and using plants and trees through green roofs, rain gardens, and for reduction of rainwater run-off. This paper deals with the studies of glazed windows which are capable of transmitting maximum day light with minimum heat radiation. Two criteria had been considered in case of glazings ie light transmittance and heat gain; however one factor have to be compromised for the other. An experimental setup has been developed to study the light and heat transmission characteristics of glazing. Experimental study shows that the double glazed window is good in terms of visibility and mitigation of thermal transmittance.