zero energy space_green building

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ZERO ENERGY SPACEIt may sound futuristic to have a building providing a healthy and comfortable indoor environment which is consuming about 60% less energy and the remaining 40% is fully powered by solar energy. The water efficient fixtures in the toilet use 40% less water. The Zero Energy Space brought this concept to reality and showcases a building which even runs the air-conditioning system fully on solar power.The green building movement in India has shown tremendous growth in the last 5 years and already more than 100 buildings have been certified under the LEED India Rating system. The green building footprint is about 442 million square feet (source Indian Green Building Council, www.igbc.in).A green building is defined as a building which uses less energy, less water and resources and provides a healthier indoor environment as compared to a conventional construction. The energy savings and reduced maintenance makes the Green Building design and construction suitable for any type of project. The Developers & Builders community can also take advantage of the Green Building concepts since certified projects fetch a premium value in the market, whether the space is sold or leased.The Zero Energy Space shows the future technologies of buildings and opens up the possibilities of energy-efficiency and energy generation on site. The Zero Energy Space shows the latest green building technologies on 360 sqft in action and invites all stakeholders in the construction industry to experience the new level of building green. The building is transported in one piece and will start its journey from Chennai to Mumbai and New Delhi to be featured at construction related exhibitions in the country.The concept of the Zero Energy Space was developed by a young lady from Austria. Isabelle is managing the operations of Inspired to be Green, a leading publication on Green Buildings & sustainability, and is actively involved in the green building industry. “I am fascinated of the potential of Zero Energy Buildings. Worldwide buildings consume around 30% to 40% of the total energy produced (as stated by UNEP). We are showing that every single building out there has the possibility to be energy efficient and generate all its power needs on its own, that implies that it is possible to reduce the word’s energy consumption by 30% to 40%. This is a solution for climate change, power shortage and clean energy generation at the same time.”The success of the Zero Energy Space lies in the combination of the most advanced building technologies available. It has taken a period of 5 month to find and select the best materials and systems available, the actual construction took only 2 weeks. Walls and Roofs are made with a strong, lightweight and modern technology using Everest Fiber Cement Boards and EPS and XPS insulation from Beardsell and Supreme Petrochem. The whole building is well insulated and by using advanced building technologies from all over the world the energy needs could be brought down even more by using Aluplast Windows (double glazed UPVC windows) from Germany. Breezair has installed one of the most efficient air cooling units from Australia. Panasonic air conditioning brought their latest technologies from Japan. The whole solar system was designed from Team Sustain using GETwatt panels from Korea and an Outback Inverter technology from USA. Roca contributed water-saving toilet fixtures and Surabhi Bamboo installed engineered bamboo from USA. Low VOC paints from Nippon Paints complete the product list.The Zero Energy Space is a great example of “Integrated & Holistic Approach” between all the members of design & construction team. Architect Dhruv Futnani brought in his international experience and describes the whole system step by step: “A majority of the energy used in the building is for air conditioning and lighting. To reduce the AC load, first you have to prevent the heat entering your building through the building “skin”.

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Please follow me … through a presentation of the Zero Energy Space. The mobile (Net) Zero Energy Building presented for the first time in India.

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To make a fast and light weight construction possible Fiber Cement Boards are used to create walls and roofing. Finishes can be done in many ways. The Fiber Cement boards include more then 40% fly ash, what makes it to a very green construction material…

Left you can see a cut out of the wall

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Insulation of Walls and Roof is a very important factor to reduce heat gains and cut down on energy consumption.

Left you can see a cut out of the wall

Right you can see a cut out of the roof

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In conventional buildings, windows and glazed areas are the main sources for heat transfer with the outside. In the case of the Zero Energy Space double and triple glazed UPVC framed windows are used to keep the heat transfer with the outside at a minimum.

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100 % fresh air treatment with minimal energy consumption is part of the Zero Energy Space Concept.

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Air conditioning accounts for the main source of energy consumption in a building, therefore it is crucial to work with energy efficient appliances. This highly efficient split air conditioning unit is fully powered by solar energy.

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Lighting with LED is the most advanced Lighting Technology available. The Zero Energy Space uses maximum 75 W for illumination of the whole space (360 sqft).

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The philosophy of the building: minimal energy consumption and fully in depended from the electricity grid is supported by the 1 kW Solar System mounted on the rooftop with charge controller, inverter and battery backup

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Conservation of potable water is part of every green building. The bathroom of the Zero Energy Space shows a low-flush dual system for the toilet and low flow fixtures to consume less water and save our environment.

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Solar Reflective Coating on the outside of the building helps to lower the surface temperature of the walls and reduces the energy consumption. Low-VOC paints used on the interiors contribute towards a healthy indoor environment.

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The green building concept does not stop with less energy and water consumption. To use rapidly renewable resources like bamboo flooring and cane furniture or recycled materials like fly-ash in Fiber Cement Boards is important to save our environment.

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