NET ZERO ENERGY BUILDING A CASE FOR THE HIGH RISE IN THE SAVANNAH

Abstract

The high rise building became a symbol of success and prosperity after the industrial revolution and continues to be seen as such in many parts of
the world with many developed cities competing to have the tallest tower. The evils of the high rise building are many and well documented, however
the high rise typology is still the best way to maximise on space in Urban centres. With the growth of urban centres, the energy required by the built
environment continues to increase while the sources of energy continue to dwindle. Due to this, the building industry has attempted to come up with new
principles that can be used to ensure sustainability of the finite resources available leading to the development of new ideologies in design. To satisfy the
requirements of need and sustainability, the concept of the Eco-tower is being developed in various parts of the world. This study will focus on a relatively
new idea for energy efficiency and independence; Net Zero Energy Building.
This study outlines the various ways in which this energy demand from high rise buildings can be reduced to sustainable levels and establish the various
strategies applied during design to ensure energy efficiency in the operations and maintenance of such buildings. The study seeks to understand the
concept of Zero energy building and the aspects that must come together for the actors in the built environment to achieve it .It discusses both the
positive and negative aspects of attempting to design with the goal of achieving Zero energy building and outline while seeking to understand the various
technological advancements that can be applied to make Zero energy building possible especially the renewable energy systems that can be integrated
into the building structure.
Alongside this, the study focuses on the developing savannah cities in East Africa that have shown promise for growth and development and outline
the problems that must be overcome to make energy efficient high rise building possible in a savannah city and current building trends and identify the
strengths and weaknesses contained within them and proposes principles to improve the quality of design for the high rise buildings of the future.
The study addresses the issues that have hindered the acceptance of energy efficient buildings, from matters of cost to the issue of user comfort in highly
efficient building systems drawing comparison with conventional building practices.
It is the view of the author that the understanding of these ideas, principles and concepts will make achieving NZEB not only feasible, but the clear choice
in building design and practice

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