Green Retrofitting Of Existing Buildings Using Cool Roof Technology


Particularly in the urban areas, the roof and walls are major contributor in the absorption of solar radiations and also retarder to the outflow of the absorbed radiation from the building, thereby increasing the heat island effect leads to global warming. The impact of using cool roof technologies on the thermal comfort of the buildings reduces electricity consumption for maintaining the thermal comfort of buildings, without relying completely on cooling equipment. The cool roofs, however, can mitigate summer urban heat islands by improving indoor air quality and comfort. By thermal analysis of different materials analyzed the impact of the rate of heat transfer on the building envelope and the results obtained shows that different cool roof techniques are beneficial in maintaining the comfort level of the building of course depends on the ambient temperature conditions.

Keywords: – Cool roof technology, Retrofitting, Power consumption.

Dr. Dinesh K. Swarnkar

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