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It is better to leave lights on than switching them on and off

Switching lights on and off generates an insignificant consumption surge.

Those that really know how to save energy are shocked and stunned every time they see the typical behaviour of an OCD sufferer switching the lights on and off 9 times in a row every time they go in and out of a room. "How much do they pay in electricity bills?" is the first idea that would go through your head.

They turn lights off every time they go out of a room, knowing that it is necessary to save energy - for the good of the planet and also so as to get to the end of the month-.

Is it okay to do as they do or, unknowingly, are they using up the Earth’s energy reserves?

There is a consumption peak when a fluorescent light is switched on but it is insignificant. What is affected by switching lights on and off repeatedly is the useful life of lights.

Therefore, experts from the CIEMAT (Research Centre for Energy, Environment and Technology) reckon the rule is clear. Unless you are going to be gone for less than 5 minutes, it is better to switch them off.

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