A tube, tubular, sun tunnel skylight is a product that transfers natural sunlight into usable light that lightens up dark rooms. The technology used to accomplish this is a super reflective light pipe and precisely engineered diffusers. Velux Sun Tunnels and Natural Light Energy Systems Tubular Skylights efficiently provide pure natural light while effectively minimizing heat gain and heat loss since it is a sealed system. Sun tube tubular skylights eliminate dark rooms.
There are many benefits of living in rooms illuminated with natural light. Get rid of those winter and dark room blahs for good! Plants and people thrive in rooms lit with the sun's natural light.