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

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Ventilation on demand

Systèmes autonomes et brevetés

Instant feed-back
DCR® System (servo relay fans for energy savings up to 30%)
Tailor made electrical systems
French design & manufacturing using european components


Cogemacoustic® - SAV & Accompagnement

High output
Aerodynamic & energy performance
Financial control
Large rental park