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Building Energy Certification System: Application to a Building in Lisbon and Paths to a Future Enhanced Scheme
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Energy efficiency in buildings is of particular importance in the pursuit of international objectives in the area of climate and energy, as it is a sector that represents approximately 40% of the total primary energy demand , with strong growth prospects in absolute consumption. In Portugal, the implementation of the Energy Certification System and Indoor Air Quality (SCE)    is an important step in the promotion of energy efficiency and achievement of the national targets regarding the emission of greenhouse gases. This work presents the application of the SCE system to a large office building, the Lisbon City Hall. In the context of the energy audit that was performed, different energy optimization scenarios were defined and analyzed in a cost-benefit perspective. Emphasis is placed on the calibration of the building thermal simulation model (EnergyPlus ) and its results. Based on this application of an energy certification code, an examination of the principles that underlie these systems is performed, resulting in a qualitative reflection on the limitations of the SCE system and opportunities for its improvement.
Nunes, P.; Carrilho da Graca, G. (2011). Building Energy Certification System: Application to a Building in Lisbon and Paths to a Future Enhanced Scheme. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from