Research on evaluation methods for thermal bridge treatment measures for building envelopes

Abstract

Along with the promotion of low-carbon and zero carbon buildings such as ultra-low energy buildings, near zero energy buildings, and zero energy buildings, there is higher and higher demand to the thermal performance of building envelopes. Thermal bridges have a crucial impact on the thermal performance of building envelope structures. In order to achieve the goal of energy conservation and carbon dioxide reduction in building structures, it is necessary to conduct refined calculations and evaluations on thermal bridge treatment measures. In this paper, three thermal bridge treatment measures evaluation methods from different dimensions are presented: evaluation method based on reduction degree of thermal bridge effect, evaluation method based on carbon dioxide emissions from thermal bridges, and evaluation method based on technical economy of thermal bridges.