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Abstract

The continuous increase of emissions of greenhouse gas and mankind's reliance on exploiting fossil energy accumulation generated an urge to enhance the efficiency of buildings. The main aim of the power industry is to develop a building which consumes least possible energy and to produce low level gas. Consequently, green and energy proficient buildings such as nearly zero energy building (nZEB) has become a global trend. There are various design performance inputs and the prediction by which one can optimize the energy consumption to attain zero energy building. This paper mainly focuses on the optimization of the energy consumption of nZEB. This concept of nZEB has been implemented in various developed countries at a mass level, but India has not taken any significant measures towards achieving the zero-energy concept. This paper investigates significant measures that are currently practising in different countries to achieve a goal of zero energy building and then provide a suggestive measure that should be implemented in India.