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Title: Efficient lighting in buildings: The lack of legislation in Portugal
Authors: Almeida, António Manuel 
Martins, António Gomes 
Keywords: Energy efficiency in buildings Legislation and regulations Lighting Daylighting Design of buildings and technical building systems
Issue Date: 2014
Publisher: Elsevier
Project: PEst-C/EEI/UI0308/2011 
Serial title, monograph or event: Energy Policy
Volume: 67
Abstract: The behavior of building designers is conditioned by the existing legislation and regulations in the national context in which they operate. However, in the Portuguese legislation there are no rules concerning the use of daylight, and therefore, designers are not stimulated to adopt solutions that make use of the existing potential of sunlight availability. In the same way, it is difficult to understand the lack of specific regulation, with quantified targets, limiting power density of artificial lighting installed inside buildings. The present opportunity, generated by the need to carry out the revision of Portuguese building energy systems regulation, should be used to fill the existing gap in national legislation regarding those matters. In this paper the authors present some proposals for future legislation that will have as central purpose the utilization of efficient lighting systems and the promotion of architectural solutions that optimize the use of daylighting. It is possible, and desirable, to add new directives to national legislation that contribute to the improvement of Portuguese buildings, characterized by its good performance in terms of daylight availability, and at the same time, increasing the energy efficiency and reducing the energy consumption of lighting systems installed in those buildings.
ISSN: 0301-4215
DOI: 10.1016/j.enpol.2013.11.031
Rights: embargoedAccess
Appears in Collections:I&D INESCC - Artigos em Revistas Internacionais

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