Earthlight
Program
01 · Lighting assessment
Independent experts measure your building's light.
02 · Comparison report
The alternatives, modeled side by side.
03 · One-week pilot
70% circadian correction, proven in your building.
04 · Lighting purchase
Specify, source, and hold it to the numbers.
The whole program
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Case study
Learn
Does circadian lighting work?
The biology, and the peer-reviewed evidence behind it.
Does it pay for itself?
The model, the payback, and every assumption behind it.
What is circadian lighting?
Light that follows the body's 24-hour clock, explained.
What is biophilic lighting?
Bringing the qualities of natural light indoors.
White papers
The methodology, as presented in Leiden. Free with registration.
Video library
The case for light, in their own words.
Company
Leadership
The people behind Earthlight.
Community
Join the movement for better light.
Contact us
Your 20-minute Human ROI Review
Find out what value engineering is really costing you.