Análise de custo e desempenho térmico para um projeto de habitação de interesse social

Resumo

The Housing Program of Social Interest aims to provide the access to adequate housing for low-income population segments in urban and rural areas. To be considered financially viable, this popular construction type shouldt have basic attributes, in finishing as well as in recreation areas. According these parameters, it is common among builders to look for economic buildings, forgetting the analysis of building performance, the main objective of ABNT NBR 15575. According to the procedures and requirements of this standard, a case study was carried out aims analyzing the thermal performance of main vertical sealing and ceiling materials used in a standard Minha Casa, Minha vida project, comparing them with the cost, in order to find the low-cost model for this type of building without impairing performance. Twelve design combinations were simulated in the Design Builder software to evaluate the thermal performance according to the Brazilian performance standard and their costs were estimated for each alternative. The results compare the models pointing to the best cost benefit ratio, being the system with soil-cement walls and without ceiling the best option.