How to reduce the impact of SHGC on energy consumption

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What do you mean by '' the result was not good'' ?

Do you expect to get some results? What are the results?

The SHGC could be a significant factor and it's depend on 1) The pourcentage of fenestration (WWR) 2) the coefficient of the SHGC (higher or lower) 3) the period of the year of your experiment 4) the U value 5) the number of panes and 6) maybe some other factors.

With an high SHGC, in summer it will increase the cooling and in winter it will decrease the heating. With a low SHGC, in summer it will decrease the cooling and in winter it will increase the heating.