PRODUCT GUIDE Interior Window Treatments Lutron’s Serena remote-controlled shades install easily and are inexpensive compared to most automated shades. Photo: Lutron Behind the recommendations Related articles Behind the recommendations Related articles Interior Window Treatments Glare and solar gain can completely undermine daylighting goals. Window coverings to the rescue!—but some are better (and less toxic) than others. More about Interior Window Treatments Making Windows Work Better How to choose curtains, solar screens, awnings, and storm windows? The options are dizzying, but the right choice can cut energy bills. 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. PVC-Free Sun-Control Textile with No Halogenated Flame Retardants Mermet offers a fiberglass textile for interior rollershades that has good performance and material transparency.