United Kingdon - England - Energy efficient light bulbs

Two different types of Energy-saving light bulbs or compact fluorescent lamps in a row on a shelf - 11 watts is equivalent to a 60 watt incandescent bulb and 14 watts and is equivalent to a 75 watt. These light bulbs are a form of fluorescent lighting, which produces less heat than incandescent (filament) bulbs; therefore more of the electrical energy is converted to light, making them more efficient.

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Two different types of Energy-saving light bulbs or compact fluorescent lamps in a row on a shelf - 11 watts is equivalent to a 60 watt incandescent bulb and 14 watts and is equivalent to a 75 watt. These light bulbs are a form of fluorescent lighting, which produces less heat than incandescent (filament) bulbs; therefore more of the electrical energy is converted to light, making them more efficient.