A COMPARATIVE STUDY OF TWO SWEDISH LCA-BASED TOOLS FOR PRACTICAL ENVIRONMENTAL EVALUATION OF BUILDINGS
In Sweden, two LCA-based tools for the built environment have been developed the last years: the "Environmental Load Profile" and "EcoEffect". Both are standing in front of an implementation phase and it is therefore important that they may deliver credible and consistent results to end users and facilitate a transition to more environmentally benign building construction and administration. The present study looked at the differences in results that may appear when using the tools and where they come from. Applying the two tools for assessment of a new building on equal basis created differences in results. However, both tools pointed at energy use in the administration phase of the life cycle being the most significant factor for environmental impact, consistent with other studies. The results indicate that: (i) differences in material grouping and life expectancy for the construction materials used, (ii) differences in LCI-data used and (iii) different classification and characterisation models used, give rise to important differences.
Environmental assessment tools, built environment, life cycle assessment, Environmental Load Profile, EcoEffect
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