Summertime can get pretty hot in Rancho Santa Fe, California, with degrees getting up into the 90s. So how do stay cool without leaving the AC on all the time? The U.S. Department of Energy reports that heating and cooling use almost half of the energy in a typical U.S. household. But there are ways to avoid using so much energy and still prevent you from sweating at home. Lighting and shading control will help you in the battle against a sweltering summer. Here are some ways that automated shades and lighting can keep you comfortable without making your electricity bill skyrocket.