A double-skin facade (DSF) impacts a building's thermal performance in several ways:
1. Reduction of heat transfer: The double-skin facade creates a barrier between the outdoor and indoor environment, thus reducing the heat transfer through the building envelope.
2. Increased insulation: The air gap between the two skins provides an additional layer of insulation, reducing the amount of heat that can enter or escape from the building.
3. Solar shading: The double-skin facade can also be designed to provide solar shading, reducing the amount of direct sunlight that enters the building and lowering indoor temperatures.
4. Natural ventilation: The DSF can be designed to allow for natural ventilation, which can use the temperature difference between the two skins to drive fresh air into the building and remove stale air.
Overall, a double-skin facade has the potential to significantly improve a building's thermal performance by reducing the amount of energy needed for heating and cooling, which can result in lower energy bills and a reduced carbon footprint.
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