LED vs other lighting technologies in terms of wattage.

If you are renovating your home and have decided to put your hand to the lighting system, then perhaps it will be the case to read up on the subject of LEDs. In fact, once the old electrical systems have been dismantled, it is advisable to completely renew the system by inserting the LED lighting, which brings some indisputable advantages: first and foremost it drastically reduces consumption, then it exponentially increases the duration of a single lamp (it is estimated, in fact, that a LED bulb lasts about 100,000 hours, compared to the 1,000 hours of an incandescent lamp).
led lights
The possibility of polychrome installations that give movement and light to your home should not be underestimated.

Watts and power

When those facing restructurings are not very familiar with lighting systems, it may happen that they focus on the number of watts a light bulb has: nothing more wrong. In fact, we must immediately point out that watts are the unit of measurement of power, or rather the consumption of electrical energy necessary for that bulb to light up and reach the point of maximum incandescence, and therefore of maximum illumination.

Lumen and brightness

This has nothing to do with brightness, or with the amount of light that a light bulb can emanate. If you are dealing with very old people, it will have happened to you that they refer to light bulbs in terms of candles, to indicate a more or less dim light emission: this is the nodal point on which you must concentrate for a correct conversion of watts in lumens or lux (this time yes, unit of measurement of brightness, precisely indicating the amount of illumination of a lumen on a square meter of space).

How to convert lumens to watts?

There is no rule or mathematical formula because the lumen watt conversion varies according to the type of lighting technology. A traditional 100 lumen light bulb could consume 100W, or even LED 10W.

Lumen Watt conversion in incandescent bulbs

The problem of conversion arises essentially from the advent of these new LED systems since until the dominance of incandescent lamps prevailed the ratio between watts and lumens was absolutely stable: the more time it takes to light up, the more it will illuminate, but at the same time will consume even more.

Lumen Watt conversion in LED bulbs

A rule that we can apply to have a value, albeit approximate, of the lumen watt ratio for the LEDs is to multiply the number of Watts by 100 to obtain the corresponding lumens.
The calculation, as mentioned, is not accurate because the lumen watt conversion ratio also varies based on two factors: type of light emitted (whether hot or cold) and light output.
With the same Watt, therefore, we can find devices with different Lumen numbers. As an example, an LED bulb with 6W consumption could correspond to 400 lumens, or if of excellent quality even at 750 lumens!

So if you want to make a correct conversion of units of measurement, you will first need to understand what kind of light emission you want for your environment. In the case of very large rooms where a very cold daylight is needed, such as schools or hospitals, you will need to equip yourself with 4500-6000 ° K lights, which have the property of reflecting the colors around in a very changing way , releasing glows on the shades of blue and giving the rooms a very clean and clean atmosphere. If your environment needs very clear lighting but not so aseptic and unreal, then it will be the case to go down gradation and opt for neutral light lamps at 3500-4500 ° K: these are particularly suitable for professional studies, canteens, and passageways (atriums, corridors). Finally, if you want warm, cozy and softer lighting, less tiring for the eyes and more domestic, the best is the warm light lamps from 2000-3500 ° K.

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