Flip the switch to energy-efficient lighting This do-it-yourself guide makes it easy to upgrade residential and commercial lighting to reduce costs and environmental impact while maintaining or even improving the quality of the lighting. Filled with step-by-step instructions, Green Lighting shows you how to save money and energy with light-emitting diodes (LEDs), compact fluorescent lighting (CFL), solar lights, windows, skylights, fixtures, controls, and other bright ideas. Methods for calculating return on investment, plus recommended sources for energy-efficient products, are included in this practical resource. Green Lighting covers: Color temperature measurements In-depth details on the differences between LEDs and CFLs How utilities bill for electricity usage Comparing wattage and determining energy savings ENERGY STAR ratings Purchasing appropriate bulbs, fixtures, and sensors Developing a comprehensive green lighting plan for your entire home, office, or commercial environment Incandescent, halogen, and gas-discharge lighting Solar and next-generation lighting