DIRECTIONS FOR USE – LED or halogen? 2700 or 4000 K? How many watts? Are you lost? Not for long, thanks to this guide.
Until now, when a bulb burned out in your home, overtaken by the choice of a shelf, you simply grabbed a model at random, without even checking the type of base, praying for the bulb to work House. But that was before.
So that you can choose your light bulbs like a pro, 18h39 asked Marie Sarrasin, head of the lighting department at Castorama in Englos (Nord).
Follow this guide in 3 points:
The type of bulb
Lumens and watts
The color temperature
Different Types Of Bulbs: More Or Less Economic
Incandescent bulbs are very energy intensive and are now banned from sale in Europe … at least those for which there is no substitute.
” There are still incandescent bulbs for refrigerators and ovens, for example, ” explains Marie Sarrasin.
Decorative filament bulbs are also tolerated incandescent bulbs, as they are not intended to illuminate, but are instead used for decorative lamps.
Halogen bulbs last between 2000 and 3000 hours and consume 30% less energy than incandescent bulbs. But they consume more energy than the following types of bulbs and will be banned in 2018 in Europe ( instead of 2016 as originally planned ).
Eco bulbs , also called compact fluorescent lamps, last between 6000 and 7000 hours on average . If they used to take long minutes to light up, they have made progress on this point. But they can not withstand low temperatures and can not be used outdoors.
They contain mercury, so they have to be recycled, put in a collection bin in the store, or in a waste collection center.
The LED bulbs are very sober and very durable ( some more than 20,000 hours ). Another advantage is that they come on instantly.
They contain electronic components and rare materials and have to be recycled, and they can also be placed in a collection bin in the warehouse or at the waste disposal center.
Attention: all halogen bulbs are compatible with a dimmer, but not all LEDs, or all flucompacts. Trust the triangle-shaped pictogram . If present on the label, the bulb can withstand variations in intensity.
Also check the type of base on your lamp and its diameter. The most common codes: E14 (small screw cap), E27 (large screw cap), B15 (small cap with bayonet), B22 (large cap with bayonet).
Lumens And Watts, How To Navigate
We are used to talking in watts, to talk about consumption as luminous intensity. In reality, the diversification of the ampoules complicates the situation. ” An incandescent bulb will consume 60 watts to illuminate 60 watts, but an LED bulb will consume 6 or 8 watts to illuminate 60 watts, ” explains Marie Sarrasin.
In order to be able to compare the luminous intensities of the different ampoules with one another, reference is now made to the lumens .
Even if there is no actual equivalence between watts and lumens, it is considered that:
400 lumens equivalent to 40 watts of lighting,
800 lumens at 60 watts,
1000 lumens at 70 watts.
Tip: Generally, 800 or 850 lumens suffice to illuminate a room of 10 m2.
The Color Temperature Finally Explained
The color temperature, measured in kelvin , makes it possible to choose a more or less yellow, white or blue light.
The lower the color temperature, the more yellow the light will be. The higher it is, the light will be white, up to blue.
2 700 k: this is a yellow light, soft, called “warm wight” on the label. More suitable to create a soothing and warm atmosphere.
4000 k: this is a white light with a yellow tip, called “cool white” on the label. Pleasant for everyday life.
6000 or 6500 k: it is a very white light, with a tip of blue, called “day light” on the label. Perfect for working when you need good clarity.
” But there are people who will put 6500 k in all the rooms of the house, including the room, while others will find it aggressive ,” says Marie Sarrasin. Do not hesitate to use the in-store tester to see the difference.
Types Of Light Bulbs: http://incredibleflashlight.com/2016/12/15/types-of-light-bulbs/
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