Nowadays, the efficient use of solar energy for optimal use in the building industry has become one of the concerns of designers and builders. Studies show that by properly designing the exterior walls of the building, the amount of solar energy absorption can be managed for the building. Ahwaz is a tropical city that needs mechanical cooling most of the year. However, it has five cold months, with 3 months of use of heating systems to provide residents with thermal comfort. Therefore, the thrombus wall has been considered in this study. The aim of this study is to investigate and compare the thermal behavior of thrombus walls with different shapes in the sunny (south) walls of corridor spaces in Ahwaz. Research method is a hybrid method that incorporates empirical research strategies, simulation, and case research. On this basis, after experimental observations and field investigations on real samples, a general pattern was obtained and numerical calculations of the simulations were performed with CTF method after validation and reliability with Energy Plus software. In this study, by studying the sunroof wall (south side) of a default corridor space, five general compositions of the thrombus wall with the same conditions have been simulated and evaluated. The results have shown that in order to manage energy absorption, the geometry of the thrombus wall is of special importance and its chess pattern performs better than other models. At the end, some suggestions have been made.