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Understanding SHGC (Solar Heat Gain Coefficient) in Sustainable Building Design

In this brief article, we are going to define the SHGC (Solar Heat Gain Coefficient) and its role in Glass Performance and Sustainable Building Design SHGC is one of the most important factors in Glass performance. It is simply the portion of solar radiation admitted through the Glass panel, in both ways; the solar radiation that is directly transmitted, and the portion that is absorbed and then released inward the building.

SHGC is not just a number between 0 to 1; it’s a number that affects the complete and integrative Energy systems design process.

SHGC plays an important role in the building glazed openings' performance and significantly impacts the Energy Modeling process.




SHGC
is part of the passive design process, but it is strongly recommended that it be selected in conjunction with the HVAC and active/Dynamic Mechanical systems design to maintain sustainability.


Through the well-structured text with the pictures above, you can understand the SHGC, be aware of the different values and how it must be selected, and what the appropriate levels are in light of climate regions.

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Written by Jehad Alkhandaq.

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