FIEGER louvre windows - the efficient and environmentally friendly solution - made in Germany. Natural ventilation, and thus CO2 savings, as well as smoke-free escape routes in emergencies, are some of the fundamentally important factors in the progressive architectural planning of our time. FIEGER louvre windows can make a significant contribution to reducing harmful emissions as well as energy costs. Together with innovative mechanics and sophisticated ventilation technology, and given the right basic conditions, the use of air conditioning can be reduced substantially. With the use of intelligent ventilation solutions, FIEGER louvre windows create optimum fresh air supply as well as a healthier working and living environment.