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I agree with Ricardo Gallegos, also: If both buildings have the same openings, the heat gains through these openings are the same for both, during the night, the construction with 10 cm thick walls dissipates that energy outwards, more quickly than the 80 cm walls. In addition, the interior air volume of both buildings is not the same, due to the fact that the thickness of the walls is plowed into the construction, decreasing the interior volume of the house. That es why the behavor of de building with wall 10 cm thickness is better during the summer, and on the contrary, the construction with 80 cm wall thickness is better during the winter time.

I agree with Ricardo Gallegos, also: If both buildings have the same openings, the heat gains through these openings are the same for both, during the night, the construction with 10 cm thick walls dissipates that energy outwards, more quickly than the 80 cm walls. In addition, the interior air volume of both buildings is not the same, due to the fact that the thickness of the walls is plowed into the construction, decreasing the interior volume of the house. That es is why the behavor of de building with wall 10 cm thickness is better during the summer, and on the contrary, the construction with 80 cm wall thickness is better during the winter time.