NanaWall Systems Inc. introduces the NanaWall, an Energy Star-certified operable glass wall system that is used in more than 100 hospitality venues around the world, including in restaurants, conference areas, hotel suites, and lobbies. The NanaWall offers sustainable benefits such as: day lighting, which lowers energy use from artificial lighting. It can also improve indoor air quality, which allows visual and physical connections to the outside, according to the company. In addition, the wall offers plentiful natural ventilation for restful sleep, and allows for flexible use of space.