• Good Light Group

Webinar “Good Light indoors makes people healthy and happy” for CIBSE

On invitation of the United Arab Emirates division of the international organization Chartered Institution of Building Services Engineers (CIBSE), Jan Denneman presented the webinar “Good light indoors makes people healthy and happy” on 21 January 2021.


The main topics of the webinar are:

  • People need daily good light, like good food and good air, for their well-being.

  • Good light is the most forgotten factor in the design of buildings: the light in buildings is currently wrong for health and well-being of users in the building.

  • The problems of billions of people, who spend their lives in biological darkness.

  • Discovery in 2002 and Nobel prize in 2017: “spheres” (ipRGCs) in the retinae of the eye trigger the synchronisation of the biological clock.

  • What is Good Light? The intensity of the light in buildings needs to be at least 5 times higher than current indoor lighting practice.

  • The history of focus in building design: low cost – sustainability – healthy buildings.

  • How Good Light increases the health and well-being of people in buildings.


You can now watch a recorded version of the webinar on: CIBSE UAE Good Light Indoors Makes People Healthy and Happy

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