Light Bulbs Low Consumption: How Clearer?

Soon, our old bulbs give way to the lamps low consumption. Poor light, high price, difficulty in finding the right power, health hazards… The new bulbs are critical. What to think? How to buy Smart?

The light bulb, invented in 1879 by Thomas Edison’s coming out of our daily lives. His default: consuming too! The European Union has scheduled his withdrawal by 2012. The 1St September, 100 watts, those frosted glass bulbs (not classified A) as well as classified lamps F and G have already been removed from the market, although they will remain on sale until stocks flow… In the coming months, all the French will have to get used to the lamps low consumption.

What includes the name “lamps low consumption”?

-fluorescent compact (CFLs),
-Halogen high-efficiency.
– and LED (light-emitting diode) lamps.

• Why Fluorescent Disappoint?

In recent weeks, the French have robbed stores of their stock of incandescent bulbs. Would they not be satisfied with the alternatives? In June 2009, in a poll conducted by the site channel – energie.com, consumer compact fluorescent lamps (CFLs) blamed their slow ignition, the quality of scattered light, the difficulty to compare products and their high price.

Bad light? Go to Computerminus.com from an LED lamp to a LFC often arouses disappointment. Consumers blame him to create a sad, to be long to turn on… For Pierre Yves Monleau of the French Association of lighting (AFE), progress was made nonetheless: “these last three years, manufacturers have erased these defects. Yet to buy quality products. You can recommend to people accustomed to the white light of equip high-efficiency halogen lamps. These, more energy efficient than the previous ones, will remain on sale”.

And inverters? Only some models of lamps low consumption (CFL and LED lamps) can be used on drives of intensity. However, many homes are equipped. Check the package if the lamp is “dimmable” or not before your purchase.

• The Lamps Low Consumption Are Too Expensive?

These lamps are 5 to 10 times more expensive than their ancestors. But it’s a winning choice CFLs consume 4 to 5 times less electricity and last 6 to 10 times longer. According to the AFE, a gain of €50! One can also hope a lower prices related to the development of mass of these products in the future.

• The evidence by the numbers
For example, the replacement of a lamp incandescent 100 W (LI) (price: €1) by a compact fluorescent lamp (CFL) of 20 W purchased €8 (Source: French Association of lighting). The price per kWh in France of €0.11, here is the savings on 6,000 hours (duration of minimum life of CFLs as from 1St September 2009).

6,000 hours to buy 6 LI and therefore spend €6, while it takes only a CFL: €8.

  • After 6000 hours of functioning, the LI will be consumed: 6 000 x 100 = 600 000 W or 600 kW. Cost: €66.
  • The CFL will be consumed: 6000 x 20 = 120 000 W or 120 kW. Cost: €13.20.
  • Total cost of the LI: €72
  • Total cost of the LFC: €21.20.
  • Gain group €50,80 for your wallet and 420 kW saved for the environment!

• The harmful effects for the health?

Recently, compact fluorescent light bulbs (CFLs) have been concerns for their potential health dangers. What is?

Presence of mercury

CFLs contain actually mercury to make glow powder luminescent, but in very small quantities. Pierre-Yves Monleau of the AFE is reassuring: “the maximum limit is 5 mg per bulb, and manufacturers use 1 to 3 mg depending on the powers and lives”. This requires however do not throw them in the garbage, and bring them to a collection point to avoid polluting the environment (information on the site: www.malampe.org). If you break a bulb at you, there is, a priori, no danger to health, but precaution ventilate the room. Pick up debris mechanically and not with a vacuum cleaner (it would issue then of the mercury in each subsequent use).

Emission of electromagnetic waves

The Centre for research and independent information on electromagnetic radiation (CRIIREM) has highlighted an electromagnetic pollution emanating from CFLs. For AFE, anxiety is not appropriate: “as all electrical products, the bulb emits waves, but within limits without danger to the health and framed by the European regulation”, explains Pierre – Yves Monleau… which nevertheless advises to buy quality bulbs, guarantee a respect for the standards and effectiveness displayed on the packaging.

For its part, the French Agency for safety of the environment (Afsset), carried out by Ademe, remains cautious: it has developed a protocol for statement of measures which will be soon carried out by independent and accredited laboratories. Therefore, the exact issuance of these bulbs expected shortly.

• LED Lamps: Advantages, Disadvantages

Its benefits. A very low consumption, a very long service life (up to 25 years!), and an instant ignition. This lamp is also in several forms and finishes with several light atmospheres to choose (gentle or intense).

Its disadvantages. LED lamps are today limited in power, to the equivalent of a 40-watt incandescent lamp. While the usual lighting use generally 60 Watts and more. The price (from € 20-30) also has a deterrent effect.

By 2010, LED lamps may however be available in 60 Watt equivalent. Expect a little technology improves, to enjoy fully to general lighting.

• Tips on How to Choose the Right Power

This is the puzzle by excellence. Accustomed to 40, 60, 75 or 100 Watt lamps, the French are struggling to find their equivalent among the bulbs low consumption. To make it simple, remember thatmultiply by 5 the power of a fluorescent lamp for incandescent equivalent.
Example : 20 Watt = 100 watts. The result is rough but easy to remember.

Think lumens! But for Pierre-Yves Monleau, it now takes in quantity of emitted light, Lumens (Lm), rather than electric power (Watts). To buy, look for this indication on the package to find the nearest equivalent lamp than to replace. Remember that in incandescent, a watt is 10 lumens. More the number, the more the lamp emits light for a same energy consumed.

Example: for a 40 W incandescent lamp, choose about 400 Lm. For a 60 watts: 600 Lm.

Hot or cold light. A cold light is daylight (noon). A warm light, with an atmosphere more subdued, more yellow (light in the morning or evening). From September 1, 2010, this indication will be necessarily focused on the packaging under the “color temperature” indication: higher this temperature (expressed in Kelvin) appears low, more light will correspond to the “warm white”! Some manufacturers already mention this precision.

 

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