E3S Web Conf.
Volume 349, 202210th International Conference on Life Cycle Management (LCM 2021)
|Number of page(s)
|Construction and Renovation of Buildings
|20 May 2022
Stochastic comparative LCA of smart buildings
Univ Angers, LARIS, SFR MATHSTIC, F-49000 Angers, France
2 Department Sustainable Building Engineering, Polytech Annecy Chambéry, 2 Avenue du Lac d’Annecy, 73370, Le-Bourget-du-Lac, France
* Corresponding author: firstname.lastname@example.org
Driven by the energy and digital transitions, the concept of smart buildings is gaining importance. In most cases, these buildings are designed with the aim of reducing the consumption of energy resources during the operation phase, while improving the occupants’ comfort and safety. However, smart sensors and actuators themselves have impacts on other environmental indicators and life cycle stages. In this work, the environmental performances of a smart multifamily house and of a standard one are compared using both dynamic building energy simulations and life cycle assessments (LCA). Two insulation levels are possible for the building and the alternatives’ comparison includes uncertainties and variabilities related to occupancy. It turns out that smart building has less impacts than conventional one over their entire life cycle, but their benefit decreases when the level of insulation increases.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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