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A zero net energy building (ZEB) is a commercial or residential building with much lower needs through energy obtained such that the balance of energy needs can be contributed with renewable technologies. It is reported that 30 to 40% of the primary energy used worldwide in buildings. The use of high energy may affect the environment directly or indirectly also it originates climatic change degrading the environment and expand the air pollution. Hence it’s important to make smaller energy use in building great environmentally sustainable. To overcome this problem zero energy building concept is developed. In this paper we have to study and analyse the performance of zero energy building and also give an overview on an existing building to make it a proper net zero energy building.

Amid the modern-day fluctuating energy prices, the impact on the climate and the statistics regarding the energy consumption, buildings are the main consumers in India. If the energy efficient methodologies are brought into the design procedures, the buildings so constructed will be future ready and highly efficient. The existing buildings will thus be a thing of the past and energy producing and low carbon footprint producing buildings will be achieved. Net Zero Energy Buildings (NZEB) are the buildings that will shape the futuristic societies and help us achieve what was previously thought to be impossible. These NZEBs will be the saviours of the environment and will represent the future of humanity. The NZEBs are all about the interconnectivity of the man made environment and the ecosystem. With the future of the resources getting diminished day by day, the modern buildings need to be energy efficient as well as energy producing. In a NZEB, the total energy that is consumed is equal or sometimes less than the energy generated by renewable energy technologies installed on site. Multiple strategies are placed in to make the NZEB very efficient. In this paper, we tend to discuss the necessary arrangements that need to be deployed in Net Zero Energy Buildings in the Kashmir division of the UT of Jammu & Kashmir, India.