Many existing buildings—whether they are 50 or a mere 10 years old—are inefficiently lighted. Fixtures often don’t provide enough light, the right type of light, or they direct the light away from where it’s needed. Retrofit kits that use high-efficiency lamp and ballast components are the newest in lighting technology, reducing lighting loads from 40 to 60 percent. Combining these kits with simple lighting design changes can save a facility a considerable amount.