Each room must have adapted ventilation in order to renew the air efficiently. SILEO has many years of experience in noisy buildings ventilation; or how to make a hole in a wall without spreading noise around. Considering the client's parameters, SILEO conceives and proposes soundproofed ventilation solutions thanks to baffles absorbents. Thus, the temperature in the room is controlled, the correct operation of the machines is assured and the noise won't escape the room.