Product Guide Skylights The direction, angle, and back profile all determine the degree of illuminance for light scoops. Long backs and splayed walls can create more balanced light profiles. Photo: The Lighting Research Center Behind the recommendations Related articles Behind the recommendations Related articles Skylights Domed skylights and roof windows with thermally broken frames, plus high-performance light tubes More about Skylights Tubular Skylights Introduce Daylight to Dark Interiors Top-Performing Triple-Glazed Skylight From Wasco Doing Daylighting Right Harvesting daylight is a popular way to save energy and promote productivity. But getting it wrong is all too easy—and can have the opposite effects. Got Light Scoops? New Design Guide for the Latest in Daylighting Light scoops can outperform conventional skylights, but more factors go into their design. A new guide is here to help. How Smart Windows Work