JCDecaux develops natural cooling bus shelter to improve urban life
By M4G Bureau - July 13, 2020
The media owning firm has taken an initiative to create cooling areas during summer and to pursue increased sustainability
JCDecaux SA, a leading outdoor advertising company worldwide, has developed and now offering local authorities its new-generation natural cooling bus shelter, with a solution to the issue of urban heat islands.
The new model expands the range of innovative bus shelters launched by the Group at the end of the year 2019. These include Filtreo, a bus shelter whose green roof contributes to reducing urban pollution.
The rise in temperature has widespread consequences and leads to the formation of urban heat islands, which have an impact on cities and on the health and well-being of their inhabitants. To help address this problem, a range of initiatives to create cooling areas in the city during the summer are currently being trialled.
“JCDecaux is a partner to cities around the world. We are continuously innovating to develop products and services to improve everyday urban life and to pursue increased sustainability. Our research and development team has designed a new generation of bus shelters inspired by nature. Following the Filtreo bus shelter, natural cooling will improve quality of urban life during increasingly frequent heatwaves. The bus shelter’s evaporative cooling system is a practical solution for the comfort of city dwellers, said Jean-Charles Decaux, Chairman, Executive Board and Co-Chief Executive Officer of JCDecaux.
The research and development department took the inspiration from a natural, age-old process: evaporative cooling. Hot air entering the natural cooling shelter flows through a wet honeycomb-shaped panel. It is then cooled naturally by evaporation. This solution includes a tank to gather rainwater from the roof and a system to pipe the water to the cooling module. If there is no wind, fans blow the hot air through the wall. The cool air is then blown towards users waiting in the shelter. Solar panels on the roof produce the energy required. The real-time control system detects weather conditions and human presence in the shelter in order to function efficiently and only when required.
Combining solar energy with rainwater harvesting, this self-contained solution avoids the use of air conditioning with its high energy consumption. Unlike misting, the evaporation process presents no health risks since it does not create micro-droplets.
The company ensures that the system reduces the temperature by between 4°C and 7°C to 36 degrees and 50% humidity. It will soon be tested in real conditions.