Lack of Solar Control Window Film Makes for Uncomfortable, Energy Inefficient Buildings
PARIS – Charles de Gaulle Airport is one of the busiest in Europe and often is crowded. Such was the case last week. Although the outside temperatures were cool as the calendar moved toward November, it was cooking inside in the departure gate areas. The reason for the unexpected heat was simple: The tube-line design of the terminal featured large swaths of glass that wrapped around the building. And piercing the unprotected glass were fierce rays from the unrelenting sun. How hot and uncomfortable was it in the departure areas? Despite the overflowing crowd of passengers, most of the chairs exposed to the sun remained empty, as you can see in this photo. It’s surprising – no, shocking – that one of the most recognizable airports in the world has not yet addressed such a basic issue as solar heat gain – especially with the energy conservation movement over 50 years old. The idea of energy-efficient, green office buildings is so common today, people forget it hasn’t always been this