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Save energy costs with LED bulbs

Ever since 1 September 2012, consumers have had to rethink: since that date, the sale of the classic light bulb, as we know it for more than 100 years, is banned throughout the European Union. If you have a defective bulb at home, the search for an adequate replacement may not be that easy. There are a variety of alternatives: energy-saving lamps, halogen lamps and of course the LED bulbs. Experts agree that LED bulbs will prevail on the market in the long term.

Differences between LED bulbs and conventional bulbs

Each uses a completely different technology for the production of light: While a light bulb - as the name suggests - generates light through a glowing filament, this works with an LED bulb by exploiting special properties of so-called semiconductors. This process is too complex to explain in detail. It is only important to know that this technology results in two major advantages over the conventional light bulb:

A key advantage is that LED bulbs use only a fraction of the energy of conventional light bulbs to produce the same light output. So you are very economical. Ultimately, the high power consumption of the bulb is also the reason why the EU has decided to impose a ban on selling it.

Another major advantage of LED bulbs compared to a classic light bulb is the significantly longer life: A conventional light bulb has an average life of about 1,000 hours, while an LED has a lifespan of up to 35,000 hours. That is, in the time until an LED for the first time gives up the ghost, you would have to invest in 35 light bulbs.

Calculation example for the comparison of normal bulbs and LED bulbs

Finally, a small calculation example for the comparison of normal bulbs and LED bulbs: A 60 watt light bulb produces with an average daily illumination time of four hours and a price per kilowatt hour of 23 cents annual electricity costs of 20.15 euros. However, if instead you use a 10 watt LED light source, which emits the same light intensity as a 60 watt light bulb due to the higher efficiency of the LED, energy costs per day amount to only 3.36 euros per year with four hours of burning time per day. You can save about € 16.80 per year by replacing a light bulb with an LED bulb.