Nobody is saying that lattices are some magic solution that breaks the laws of thermodynamics and cool environments without expending energy. It is an just an

Nobody is saying that lattices are some magic solution that breaks the laws of thermodynamics and cool environments without expending energy. It is an just an amplifier like radiator , to reduce the amount of HVAC you need . In 16th century they built only lattices because that’s all they had. The suggestion is to use those ideas in modern design not copy paste the same designs.