How does Philips EnergyLight work?

The EnergyLight features original Philips EnergyLight lamps producing light with all the intensity and quality of natural daylight.

Light intensity is measured in lux

On a very sunny summer's day, levels may be as
high as 100,000 lux. On a cloudy day, the light intensity is unlikely to exceed 1,500 lux, while indoors, even in a well-lit room, light intensity with normal lamps is often as low as 500 lux. That's not enough to keep us feeling our best!

As little as 30 minutes a day

If you use the EnergyLight for just 30 minutes a day at a light intensity of 10,000 lux, you'll notice an improvement in your energy level and mood after just 5 days' use.


  • Intense sunlight or EnergyLight (UV-free)

  • Increase in energy-producing hormones and reduction in sleep-inducing hormones

  • Always feel as energetic as on a sunny day

The information on this page applies to the following models: HF3308/01 .

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