Proceedings of the
Second International Energy 2030 Conference,
November 4-5, 2008, Abu Dhabi, U.A.E.
Energy Efficient Design and Performance of Commercial
Buildings in Developing Countries
Essam E. Khalil
Cairo University, Egypt
Energy Performance of Buildings should include a general framework for the calculation of energy
performance and building categories together with thermal characteristics of building, air conditioning,
ventilation, lighting and appliances aspects considered. These include Active solar systems contribution to
domestic water heating based on renewable energy sources, CPH production and District cooling systems.
This paper reviews the energy sources available in Egypt, their distribution and utilization in commercial
sectors. The paper demonstrates the importance of incorporating an energy performance directive as a
Standard in our region such a goal will aid energy savings in large buildings and set regulations to energy
efficient designs that are based on Standard calculation methods. The proposed Standard would be largely
based on International Standards and appropriately modified to suit local practices. The target is to
develop standardised tools for the calculation of the energy performance of buildings, with defined system
boundaries for the different building categories and different cooling/heating systems. Endeavour is
targeted to develop a common procedure for an “energy performance certificate”. The present work is to
provide transparent information regarding output data (reference values, benchmarks, etc.) and to define
comparable energy related key values (kWh/m2, kWh per person, kWh per apartment, kWh per produced
unit etc.). Proposals to develop a common procedure for an “energy performance certificate” and CO2
emissions are given.