How do aluminum sheets affect energy efficiency in a building?

Aluminum sheets can significantly affect a building's energy efficiency due to their excellent thermal conductivity and reflective properties. They can be used in building construction to form a barrier against heat transfer, reducing the need for heating and cooling. Additionally, aluminum's reflective surface can help in reflecting sunlight, thereby reducing heat gain in the building. However, if not properly insulated, aluminum's high conductivity can lead to heat loss, reducing energy efficiency. Therefore, the use of aluminum sheets in buildings often requires a balance between their heat-reflective and heat-conductive properties to optimize energy efficiency.