Energy efficient light bulbs - promoted by the manufacturers, promoted by the Union, praised by environmentalists. But actually have the same advantages? element in the popular light bulb is shining filament, which is under the influence wającego flow of electric current heats up, while emitting radiation. Only 5% of this energy is devoted to visible light, while the rest is lost forever in the emission of heat (at the same time, causing heating of the glass housing.)
The unquestionable advantages in favor of replacing the traditional energy-efficient light bulbs for this is five times lower power consumption. This makes it easy, we can significantly reduce electricity bills and given the same amount of light. In the current rising prices of electricity, choosing to replace all light sources in the energy, we can save more than 1,500 zł year. More information
(disadvantages, advantages, etc.) at http://ecoportal.com.pl/content/view/2502/34/
Source: ecoportal.com.pl
