Cogemacoustic®, Sorgafra group company specializing in ventilation systems, the study, design and construction of ventilation in mines, tunnels and hydroelectric plants.


3-9 may 2019 : WTC2019 show in Naples (Italy)
Meet us on the AFTES stand (Association Française des Tunnels et de l'Espace Souterrain)

23-25 april 2019
ECE at the Mining World show in Russia (Moscow) Pavilion 1 Hall 1 Stand A459

21-26 april 2018
ECE is at the WTC2018 show in Dubaï

13-16 nov. 2017
ECE is at the AFTES congres (Association Française des Tunnels et de l'Espace Souterrain) in Paris

22-25 nov. 2016
ECE is at the BAUMA show in Shangai

BRENNER base tunnel (Austria)
2018 : Design and production of a specific primary ventilation (420m3/second).
2019 : First on site delivery.

February 2018
Higher output design to decrease energy consumption in order to have a more efficient & economic ventilation.