Building in a sustainable manner has been a great challenge for construction sector professionals. Labels are one of the tools available to make buildings more efficient in several aspects. Currently, public buildings above 500m2 of constructed area are required to plan and built with energy efficiency level A according to the Brazilian Program for Energy Efficiency - PROCEL, and for this reason, the knowledge of professionals in the area about the parameters of energy efficiency is essential. Thus, the Building Information Modeling
technology, BIM, was used to generate the modeling of a public building located at the Federal University of Pará, which received adjustments in the model in order to make it more efficient. The Webprescritivo tool was used to evaluate the current situation and the changes applied in the building, by the prescriptive method, information was entered into the tool and it calculated the efficiency. As a result, it was found that the adjustments made in the model, allowed the building optimization, increasing from C to A its level of energy efficiency. Also, it was found that the use of BIM technology was able to assist in the assessment of the PBE
Edifica label through the rapid process of component changes and generation of accurate tables with building data, but further studies and improvements are still needed for better interaction between the tools covered in this research.
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