“…Each room has a double-glazed window, six external walls and one internal wall separating the two rooms as shown in Figure 4, and the floor is insulated with thermal insulation to eliminate its influence on the results. The building faces south, and the characteristics of the walls and roof are shown in Table 2 [18]. The layers are presented in Table 2, and their respective properties are entered into the program via the TRNbuild window.…”