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Electric lighting burns up to 25% of the average home energy budget. The electricity used over the lifetime of a single incandescent bulb costs 5 to 10 times the original purchase price of the bulb itself. Compact Fluorescent Lights (CFL) and Light Emitting Diode (LED) bulbs have revolutionized energy-efficient lighting. Compact Fluorescent Lights are simply miniature versions of full-sized fluorescents. They screw into standard lamp sockets, and give off light that looks just like the common incandescent bulbs - not like the fluorescent lighting we associate with factories and schools. LEDs are small, solid light bulbs which are extremely energy-efficient. New LED bulbs are grouped in clusters with diffuser lenses which have broadened the applications for LED use in the home. Benefits Efficient: Compact Fluorescent Lights are four times more efficient and last up to 10 times longer than incandescent. A 22 watt Compact Fluorescent Lights has about the same light output as a 100 watt incandescent. Compact Fluorescent Lights use 50 - 80% less energy than incandescent. Less Expensive: Although initially more expensive, you save money in the long run because Compact Fluorescent Lights use 1/3 the electricity and last up to 10 times as long as incandescent. A single 18 watt Compact Fluorescent Lights used in place of a 75 watt incandescent will save about 570 kWh over its lifetime. At 8 cents per kWh, that equates to a $45 savings. Reduces Air and Water Pollution: Replacing a single incandescent bulb with a Compact Fluorescent Light will keep a half-ton of CO2 out of the atmosphere over the life of the bulb. If everyone in the U.S. used energy-efficient lighting, we could retire 90 average size power plants. Saving electricity reduces CO2 emissions, sulfur oxide and high-level nuclear waste. High-Quality Light: Newer Compact Fluorescent Lights give a warm, inviting light instead of the "cool white" light of older fluorescents. They use rare earth phosphors for excellent color and warmth. New electronically ballasted Compact Fluorescent Lights don't flicker or hum. Versatile: Compact Fluorescent Lights can be applied nearly anywhere that incandescent lights are used. Energy-efficient Compact Fluorescent Lights can be used in recessed fixtures, table lamps, track lighting, ceiling fixtures and porch lights. 3-way Compact Fluorescent Lights are also now available for lamps with 3-way settings. 3-way Compact Fluorescent Lights are available in different wattages as well. Dimmable Compact Fluorescent Lights are also available for lights using a dimmer switch. A dimmable Compact Fluorescent Light will save even more energy, once it is dimmed. A dimmable Compact Fluorescent Light also produces less heat when it is dimmed, especially compared to an incandescent. Models Compact Fluorescent Lights are available in a variety of styles or shapes. Some have two, four, or six tubes. Older models, and specialty models, have separate tubes and ballasts. Some Compact Fluorescent Lights have the tubes and ballast permanently connected. This allows you to change the tubes without changing the ballast. Others have circular or spiral-shaped tubes. In general, the size or total surface area of the tube determines how much light the bulb produces. The following Compact Fluorescent Light bulb models come with standard sockets for easy installation in most common household applications. Spiral Lamps These bulbs are designed as a continuous tube in a spiral shape which has similar outside shape and light casting qualities to a standard incandescent bulb. Spiral Compact Fluorescent Light bulbs are made in several sizes to fit most common fixture. Triple Tube Lamps These Compact Fluorescent Lights have more tubing in a smaller area, which generates even more light in a shorter bulb. They pack high light output into a very small space and can be used in fixtures designed for incandescent bulbs, such as table lamps, reading lamps, open hanging lamps, and bare bulb applications. Standard Lamps These are spiral lamps with a dome cover. They are designed to give the appearance of the traditional light bulb for consumers looking for the more familiar light bulb appearance. The glass diffuser provides a quality of light similar to the 'soft-white' type of incandescent bulbs. Globe Lamps This shape is commonly used in bathroom vanity mirrors or open hanging lamps, and bare bulb applications. Bathroom vanities usually require multiple bulbs, which generate radiant heat. The Compact Fluorescent Light globe will reduce this heat buildup while saving energy. The glass diffuser provides a soft-white light. Flood Lamps These lamps are designed to be ideal for recessed and track lighting fixtures, indoors and outdoors. They provide diffused, soft, white light, and generate less heat than will an incandescent flood or a halogen bulb. Candelabra The screw-in torpedo-shape and the small-base of this bulb is designed for smaller light fixtures throughout the house, from chandeliers to sconces. To use a smaller candelabra-based bulb in a regular socket, you can use a socket reducer, available at many hardware stores and home improvement centers.