Many people are reluctant to replace incandescent lights with a compact fluorescent bulb for fear of a lack of brightness. There are, however, a variety of fluorescent lights that are bright and will save large amounts of energy. Energystar.gov estimates that if "every American home replaced just one light with a light that's earned the ENERGY STAR, we would save enough energy to light 3 million homes for a year, save about £390 million in annual energy costs and prevent 9 billion pounds of greenhouse gas emissions per year, equivalent to those from about 800,000 cars."
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N: vision Soft White
The n: vision soft white fluorescent light received an overall grade of "A" on the Popular Mechanics CFL Lab Test, released in the May 2007 issue. The bulb was "one of the top bulbs for reading and illuminating faces and the best-in-test bulb," notes Popular Mechanics. The n: vision label indicates the bulb offers 19 watts, an output of 1,200 lumens and reaches 2,700 degrees. During the test, the n: vision soft white light bulb offered 19.4 watts, reached 2,845 degrees and 925 lux (an alternative measurement of brightness). You can find the n: vision soft white for £3.80 as of October 2010. N: vision soft white bulbs are available at Home Depot.
Sylvania Daylight Extra
The Sylvania Daylight Extra fluorescent light bulb has a "nice, ice white" light and may be actually "too bright for a heavy reader," notes a test participant from the Popular Mechanics CFL lab test. The bulb label indicates an output of 19 watts, 3,500 degrees and 1,200 lumens. The Popular Mechanics test observed 18.9 watts, 3,370 degrees and 822 lux. The bulb earned an "A-" rating.The Daytime Extra light is £3.80 as of October 2010. You can purchase a Sylvania light from Lowes.
The MaxLite MicroMax label indicates the bulb outputs 1,200 lumens, 20 watts and 2,700 degrees. According to Popular Mechanics, the fluorescent bulb produced 900 lux, 20.3 watts and 2,738 degrees. The bulb "excelled at rendering colours. It appeared to emit light reminiscent of the sun," according to Popular Mechanics, which graded the bulb at "A-". The MaxLite MicroMax bulb is available for £2.90 as of October 2010. Bulbtronics carries MaxLite MicroMax bulbs.
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