A Structured Managerial Model for the Decision Making Process for Enhancing Building Sustainability in all Life Cycle Phases

Nowadays the sustainability is one of the primary concerns worldwide, especially in the construction industry, taking into account that the buildings have a major impact on the overall energy use and greenhouse gases emissions. There are many studies focusing on particular aspects of the topic, but a holistic, interdisciplinary and long-term approach is needed in order to reconcile the competitive objectives. Starting from a literature research, the authors have formulated a decision making algorithm aiming to respond to professionals needs to apply a structured model in their daily activities. In the second part it is presented how this model can be applied, using a practical case-study – a building in the renovation phase, emphasizing how to optimize the project even when dealing with conflicting criteria.