Please note: Compact Fluorescents are not recommended for use with photo cells or timers.
About Compact Fluorescent Light Bulbs (CFL)
Electric lighting consumes 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 a compact fluorescent light bulbs. CFL bulbs 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.
CFL bulb styles
Continuous tube in a spiral shape which has similar outside shape and light casting qualities to a standard incandescent light bulbs. Spiral CFL bulbs are made in several sizes to fit most common fixtures.
CFL spiral lamps with a dome cover. Designed to give the appearance of the traditional light bulb. Glass diffuser provides a quality of light similar to the 'soft-white' type of incandescent bulbs.
Commonly used in vanity mirrors or open bulb applications. Vanities usually require multiple bulbs, which generate radiant heat. CFLs reduce this heat buildup and save energy. Diffuser provides a soft-white light.
Screw-in torpedo-shape and small-base of this bulb is designed for smaller light fixtures from chandeliers to sconces. To use a smaller candelabra-based bulb in a regular socket, you can use a socket reducer.
Triple Tube Lamps
These CFLs 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.
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.
CFL base styles
Small plastic bases with two or four pins and are designed to be used with separate ballasts which are mounted in the fixture.
Standard Edison-style base such as those found on incandescent light bulbs.
Designed to replace the Edison socket and base to match the newest Energy Star requirements. GU24 fixtures avoid backward compatibility with screw base bulbs which guarantees higher energy efficiency.
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CFLs are four times more efficient and last up to 10 times longer than incandescent light bulbs. A 22 watt CFL has about the same light output as a 100 watt incandescent. Compact fluorescent light bulbs use 50 - 80% less energy than incandescent light bulbs.
Although initially more expensive, you save money in the long run because CFLs use 1/3 the energy and last up to 10 times as long as incandescents. At 8 cents per kWh, a single 18 watt CFL used in place of a 75 watt incandescent will save about $45.
By replacing a single incandescent bulb with a CFL you can 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.
Newer Compact fluorescent light bulbs 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 CFLs don't flicker or hum.
Compact fluorescent light bulbs can be applied nearly anywhere that incandescent lights are used. 3-way CFLs are also now available for lamps with 3-way settings. Dimmable Compact fluorescent light bulbs are also available for lights using a dimmer.