Opinions and references is a tab where you can find opinions from our clients and opinions and references issued by institutions with which we have cooperated. Dospel has over 50 years of experience, during which time we have completed many investments and have many satisfied customers around the world. Every client is equally important to us. Our offer includes home fans, industrial fans, duct fans, roof fans, ventilation terminals, cables, grilles, connectors, accessories, heat recovery units and ventilation units. Everyone will find what they need. It is not without reason that we are the leader in ventilation.