Incandescent Light Bulbs: How to Replace?

Within two years, light bulbs will disappear, replaced by high-efficiency, the CFL or led halogen. Our advice for choosing your new bulbs.

End of 2012 Incandescent Light Bulbs More

Incandescent bulbs are gradually leaving the store shelves and will be gone by the end of 2012. The bulbs of 100 Watts class D, E, F or G were withdrawn in June 2009. To 31 December, it was the turn of the 75 W of class D, E, F or G.

The term of incandescent bulb includes “classic”, filament bulbs, and halogens according to Listofledlight. This withdrawal is due to the transposition into french law of an EU directive of 2005 to reduce the power consumption of each household of 10-15% per year.

Their disappearance should avoid the emission of 470 million tonnes of CO2 in 2010, says the International Energy Agency, and save 5 to 10 billion euros per year in the European Union. Because if the CFLs or LEDs (Light Emitting Diodes or LEDs) are more expensive to purchase, they at the same time a much higher life expectancy.

CFL Recommended By Ademe

The bulbs need to display a label energy ranging from A to G. Incandescent models are classified between E and G, (categories the more energy-intensive), and the halogens at high efficiency (low voltage or 12V) between B and c. “these bulbs recycle their own heat, where a 30 to 50% energy saving.” They are compatible with the lamps to dimmer, which is not always the case for CFL or led”, explains Pierre-Yves Monleau, of the French Association of electricity.

The use of CFL, ranked between A and B on the energy label, is recommended by the Agency for the environment and control of energy (Ademe): “They produce about 75% of heat and 25% of light, against 95% of heat and 5% light for incandescent lamps.” It blamed a slow start-up and a poor resistance to frequent ignitions and cold to avoid for hallways and stairs.

Led Lights: Exceptional Longevity

Led lamps, very few hungry energy, have an exceptional life. They are resistant to shock and cold. Their weakness is their lack of brightness. Therefore, multiply them, which is expensive. Their color rendering – deemed mediocre – their farm the doors of the bathroom and the kitchen.

Before making any purchase, forget the watts and see the lumens. “The higher, the more the lamp emits light for a same energy consumed”, explained to the Ademe, where recommended to replace a 60 W classic by a 15W CFL which produces an equivalent result. The packaging also specify the – hot or cold – atmosphere created by the bulb.

Mercury and Radiation

But the transition is not without controversy. At the forefront of the accused, the mercury content in CFLs. Ademe, one wants to be reassuring: “a lamp that breaks presents little danger, because it contains only 0.005% mercury mixed with inert gas in the tube.” “If it breaks, pick up debris with a broom or better, with the chatterton, offers Pierre-Yves Monleau.” Avoid vacuuming, which may disperse the mercury in the air.”

Another area of concern: the electromagnetic radiation emitted by the CFLs or processors. On this point, studies clash, but agree on the fact that, at more than 30 cm from the lamp, the amount of radiation received is negligible. As a precaution, it is not recommended to use these bulbs for bedside or desk lamps.

A Costly Replacement

Last problem, the price of the CFL is significantly higher than incandescent, even if all the actors point out their lifespan compensates this extra cost to purchase. According to Recyclum, the agency responsible for the recycling of used lamps, “the replacement of a conventional bulb of 100 W with a low consumption of 20 W allows, throughout the life of the lamp, 800 kWh energy savings. That is about €88, or more than two years of free light.” This calculation occurs if the lifetimes announced by manufacturers are actually achieved.

 

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