Circadian Lighting Design in Los Angeles
Lighting that works with your biology — not against it. GWI installs Lutron Ketra natural light systems that shift spectrum, intensity, and color temperature throughout the day to support your health, focus, and sleep.
What is Circadian Lighting?
Circadian lighting — also called human-centric lighting or biodynamic lighting — is a lighting system designed to support the body’s natural 24-hour biological clock. Your circadian rhythm governs sleep, metabolism, mood, focus, immune function, and dozens of other critical processes. Light is the most powerful signal to that clock.
Conventional smart lighting controls brightness and color. Circadian lighting goes further: it automatically shifts the spectrum and intensity of light throughout the day — energizing blue-white light in the morning, neutral balanced light midday, warm amber light in the evening — to match what your body expects based on the time of day and your personal schedule.
The science comes from researchers like Dr. Satchin Panda at the Salk Institute — one of the world’s leading experts on circadian biology. GWI’s circadian lighting designs are built on this research, translated into the most advanced residential lighting systems available.
Lutron Ketra — The Gold Standard
GWI specifies Lutron Ketra natural light — the most sophisticated circadian lighting system available for residential installation. Ketra fixtures contain five different light sources (warm white, cool white, red, green, and blue) that blend in precise ratios to create any point on the color spectrum. Unlike standard tunable white systems, Ketra produces true spectral accuracy — the same quality of light at 2700K that you’d experience from a sunset, not a filtered approximation of it.
🌅 Morning Activation
Cool, bright, blue-enriched light that suppresses melatonin and signals the body to wake. Energizes naturally without the cortisol spike of an alarm.
☀️ Midday Focus
Balanced, neutral white light that supports concentration, cognitive performance, and sustained energy through the afternoon.
🌙 Evening Wind-Down
Warm, amber-toned light that supports melatonin production and prepares the body for sleep — automatically, without manual adjustment.
Wave of Wellness™ — Circadian Intelligence
GWI’s Wave of Wellness™ platform takes circadian lighting further. Powered by Waverly AI, Wave of Wellness integrates your Ketra lighting with your sleep data (Oura Ring, Apple Health), your schedule, your home’s air quality, and your daily routines to create a truly personalized circadian environment — one that learns and adapts to you, not just to the time of day.
As quoted in Forbes in connection with the Gene Hackman case as the future of home wellness monitoring.
Where GWI Installs Circadian Lighting
GWI designs and installs Lutron Ketra circadian lighting systems throughout greater Los Angeles including Beverly Hills, Bel Air, Malibu, Pacific Palisades, Holmby Hills, Brentwood, Hollywood Hills, Hidden Hills, Calabasas, and the South Bay. We also serve clients in Aspen and internationally including Cabo San Lucas, Mexico.
Frequently Asked Questions
How much does circadian lighting cost?
Lutron Ketra circadian lighting systems for a luxury residence typically range from $50,000 to $500,000+ depending on home size, number of fixtures, and integration scope. Ketra fixtures are premium architectural fixtures — they replace standard recessed lighting with a system that actively supports your health. GWI designs to every budget and specification.
What is the difference between Lutron Ketra and standard smart lighting?
Standard smart lighting dims and changes color temperature. Lutron Ketra produces true spectral accuracy — five light sources per fixture blend to create any point on the color spectrum with scientific precision. The biological difference is significant: Ketra light genuinely supports your circadian rhythm in ways that conventional tunable white lighting cannot.
Can circadian lighting be added to an existing home?
Yes. Lutron Ketra fixtures can replace existing recessed lighting in most applications. The Lutron RadioRA 3 system is wireless, making retrofit installations straightforward in finished homes. GWI specializes in both new construction integration and retrofit projects.
Explore More GWI Services
Beverly Hills · Bel Air · Malibu · Hollywood Hills · Palisades Rebuild · Cabo San Lucas · DCI Home Theater · AI Smart Home · Video Walls · RoseWater Energy · Wave of Wellness™