Choose a Light Bulb According to Its Characteristics

To choose a bulb, you must know the important criteria: technology, light efficiency and color.                                                                                          

Important Criteria to Choose A Bulb

THE TECHNOLOGY OF THE BULB: HALOGEN, CFL, LED BULB

The halogen bulb is the bulb technology which the least expensive. It is not recommended to install it in small spaces because it can clear a lot of heat. It is rather for large rooms unheated, like the garage or the attic.
The CFL is ideal for the lighting of the parts of life as the room dining and kitchen. It is not the most appropriate for outdoor lighting because some models do not support low temperatures. As well, some models do not turn on instantly and are therefore not suitable for places of passage.
The LED bulb is often used for desktop or bedside lamps, but it is also compatible with all types of use.

THE LUMINOUS EFFICIENCY OF THE BULB: LUMENS

According to ADEME, it is advisable to choose a bulb based on luminous efficacy expressed in lumens/watt. High luminous efficiency means that the lamp emits greater intensity of light for the same electricity consumption. She thus saving energy.

THE COLOR OF THE BULB

The color of the bulb is a determining factor since it is she who brings a certain mood in the lighted room. The color temperature is expressed in Kelvin: color is hot if the temperature is low and cold if she is high. Warm colors are associated with low light and cool colors to bright light.
The colors are divided into three categories:

  • Bulb warm white: about 2700K
  • Cool white bulb: about 4000K
  • Daylight bulb: about 6000K

 

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