Relationship between energy demand, indoor thermal behaviour and temperature-related health risk concerning passive energy refurbishment interventions
2020
Etxebarria, Matxalen | Oregi, Xabat | Grijalba, Olatz | Hernández, Rufino J.
The main objective of this article is to demonstrate that passive energy refurbishment interventions influence comfort conditions of households for both cold and hot annual periods, while they help to avoid or promote temperature-related health risk situations. However, improving the thermal efficiency of the building envelope is encouraged in order to reduce energy demand for heating and cooling instead of considering also their impact on users’ health. The calculation methodology to quantify improvements, on the other hand, is drawn from regulation-based standards, which describe the optimal achievable efficiency levels and energy cost savings. The present study, however, addresses how diverse thermal performance variables are (climate, thermal comfort range and occupancy rate), and shows that different thermal assessment standards influence the obtained results. An energy simulation approach was developed to evaluate different scenarios and compare the results. In conclusion, the results contribute to an understanding or to a discussion of the suitability of current energy renovation policies with regard to indoor thermal comfort and temperature-related health risk situations.
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