Window Wall Ratio in Buildings in terms of Energy Performance Assessment of Rate and a case study (Turkey/Eskişehir)

Ünalan H., Gökaltun E.

40th IAHS World Congress on Housing Sustainable Housing Construction, Funchal, Portugal, 16 - 19 October 2014

  • Publication Type: Conference Paper / Full Text
  • City: Funchal
  • Country: Portugal
  • Anadolu University Affiliated: Yes


In recent years despite increased use of renewable energy sources, to meet the energy requirements still largely continue to use fossil fuels. Using fossil fuel both damage to the natural environment and consume energy resources in limited stock. Especially building and structures has a large ratio of this energy consumption from erecting phase to accommodating period. Environmental pollution is the biggest problems for using fossil fuel in limited stock. These problems have necessitated to revise building designs and to advance design procedure, to diminish these main problems. In this context, "sustainability" and "energy efficiency" concept, along with "sustainable architectural design" and "energy efficient" design highlighting the active and passive design criterias has emerged.

Active design criteria are not directly affect energy requirements in buildings, and the cost of energy has been supporting businesses. However, passive design criteria, to affect such as building form, building orientation and building envelope’s thermophysical properties, directly affect the consuming energy and cost of energy. For these reasons, passive design criteria’s are more dominant and more important in terms of sustainability and energy efficiency.

In this study, context of Sustainability and energy efficiency, the Anadolu University, Department of Industrial Engineering Academic and Administrative Staff’ rooms are modeled in energy simulation program. And was acquired calibrated simulation of heating energy consumption of this building block by entering internal environment and climate data, pursuing IMPVP regulations. And then using different window wall ratio alternatives was recalculated energy consumption, in this calibrated model. For use in energy efficient design in this regard; window wall ratio alternatives and its impact on the energy performance has been demonstrated.