Three types of lamps have replaced incandescent halogen, LED, or the CFL bulbs, choose depending on the lighting you want and energy performance.
On the lighting market, since bulbs incandescent have been removed from the market because too intensive, there are three types of lights available for purchase, each having their own specificities: the fluoro-compact, known as also lamps low consumption (CFL or LBC), emitting diodes (or LEDs) and lamps halogen.
The choice must be based on the use their supposed. Light efficiency and life of the lamp are essential parameters to be considered for purchase.
These lamps can produce a light that oscillates between “warm white” and “light of day” through “cool white”. This is indicated on the packaging under the “color temperature” expressed in Kelvin (K) indication. More light, the more it tends to warm colors. More it is high and dynamic, it tends toward the blue. Halogen lamps have a color temperature ‘warm white’, ideal for a living room or a bedroom. CFLs can produce a ‘warm white’ light up ‘light of day’, and the LEDs will “warm white” to the ‘dynamic white ‘.
The amount of light emitted, expressed in lumens per watt, to compare the luminous efficiency of different lamps. Higher the number, the more the lamp emits light for the same power consumption. Halogen generates the least important light (15 to 27 lumens/watt), compared to 50 to 70 lumens/W for the CFL and between 40 and 80 lumens/W for the LED.
Question life, halogens produce light for 3,000 hours and are the most energy efficient (classified in C or D), but also the more resistant. The LED (ranked A + by ScienceDict.com) are the most efficient and durable with a capacity of 40,000 hours. Between the two, CFLs, very efficient (rated A), have a maximum of 7 000 hours.
Attention, LED prices are still high and there is a ‘bad’ LED lamps. ANSES (national safety agency) has warned against the blue light emitted by white color LED lighting because it is dangerous for the eyes.
Even if they have a time of heating, lighting, CFLs have made enormous progress. For the office or bedside lamps equipped with a CFL, we must be at a distance of 30 cm as a precaution, because of the electromagnetic fields
CFLs containing mercury, harmful to the environment and the LED is made of rare materials, must after use, be deposited in specific for recycling Collector trays.
In the face of a possible harmfulness of CFL, due to their mercury content and the issue of electromagnetic waves, CCS (the consumer safety Commission) comes to give an opinion on the safety. It is recommended that consumers focus on buying CFLs with low amounts of mercury. If thebulbbreaks, he must leave and ventilate the room for a long time before picking up debris, with gloves and household paper towels. The use of the vacuum cleaner is to banish. Broken or simply used the CFLs should be discarded in specially dedicated collection points.
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