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Solar gain is a important principle of Passive House design. Passive The sun’s energy to create a comfortable internal environment; as the sun’s energy provides most of the light and heat that is required..
Orientation is the main element involved in maximising solar gain.. As the main sunlight comes from the south, so the south facing facade of the building should have maximum glazing whilst glazing on the north facade should be kept to a minimum.
Large areas of glazing on the south façade can also however lead to overheating, so in some cases, shading to the glass is required for mid-summer sun and can come in the form of brise soliel or overhangs.
