Avaliação da qualidade do ar interior e do conforto ambiental no prédio do Núcleo de Engenharia Ambiental

Abstract

It is well known that air quality and indoor comfort are factors that directly affect the wellbeing, health and productivity of people. Despite its importance in individuals’ life, this topic is still uncommon in Brazil. The objective of this work was to evaluate the air quality and comfort of the Environmental Engineering building at the Federal University of Sergipe by measuring some parameters related to the environmental comfort and through a qualitative assessment of the building as a whole. The parameters evaluated were CO2 concentration, temperature, relative humidity, bioaerosol and air renewal rate. The methodology used for the four first parameters was based on the Resolution number 9 of ANVISA, from 2003, and the air renewal rate was estimated based on the calculation of the air flow in environments. The results show that the environments’ air conditioning systems act positively by reducing the levels of temperature and relative humidity. However, for a high occupancy level, the air renewal rate is not satisfactory. The qualitative assessment shows that there are several sources of air pollution inside the building and that the air conditioners maintenance is not performed as often as necessary as indicated by national standards.