Utilizing the rooftop space effectively and creating several possibilities under the rooftop is the latest trend in the field of architecture. Making analogous efforts, Velux system has designed various possibilities of lucratively exploiting the rooftop. Different window design for the rooftop with different inclinations, offers new elucidation to achieve optimum levels of comfort with minimal energy consumption. Displayed in an exhibition in Las Rozas de Madrid, the design also includes window activated by solar energy and energy-saving function built into the control of the power windows Integra. In addition, the other attributes includes, window designed for flat roof and the variety of solar thermal products and the possibility offered by rigid and lithe skylights. The muse with the supreme comfort, with reducing energy consumption is worth appreciation.