Secondary louvre systems. If you have skylights or windows we can fit our Altair Breezway louvres internally to help with following: 1. Noise Reduction 2. Thermal control to help with heating & cooling including a range of Low-e or tinted glass options 3. Light control, with our aluminium blade option we can totally block out external light 4. Privacy, we can use aluminium blade or frosted glass options to control privacy from neighbors 5. Louvers can be automated if in high or hard to reach places