Abstract

AbstractThere is a growing interest in integrating life cycle assessment (LCA) into building design decision making due to LCA’s comprehensive and systemic approach to environmental evaluation. Many green building rating systems (GBRSs) use LCA to various degrees. In this paper, a comparative study was performed to evaluate the LCA software tools available to building designers. A whole-building LCA was performed for a large building using three software LCA tools. The software tools vary in key aspects, such as intended users (e.g., LCA experts or novices), design stage in which they can be used, and time. The evaluated LCA tools varied significantly in the possibility of their use in early design and decision making. Some of the applications rely on a bill of materials that changes constantly in design alterations. However, others showed a greater advantage in that they can be integrated from the beginning of the design process. The comparative LCA results indicated that the impact of LCA software is de...

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