Lighting

Healthy, Comfortable and Efficient

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Lighting

Healthy, Comfortable and Efficient

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overview Video

What we did
  • Start with efficient windows for natural daylight
  • Use circadian-friendly LED lights with high CRI
  • Control base on time of day, motion, and ambient light
How that worked out
  • The natural light is universally appreciated, except in bedrooms
  • LED lights are high quality and long lasting, with excellent illumination
  • Multiple scenes are a must, but controls programming was complex
What we did
  • Start with efficient windows for natural daylight
  • Use circadian-friendly LED lights with high CRI
  • Control base on time of day, motion, and ambient light
How that worked out
  • The natural light is universally appreciated, except in bedrooms
  • LED lights are high quality and long lasting, with excellent illumination
  • Multiple scenes are a must, but controls programming was complex
Daylighting

Biophilic Design
from the Start


From our first design concept, we knew we wanted the home to feel special: not whiz-bang next generation technological, but rather naturally relaxing and comfortable. We created a large open space of light and air, not because it is the most efficient way to light the home, but because it just feels right. We also added automatic shades with easy manual overrides for the times when darkness or privacy are preferred.

Automated LED Lighting

Automatic Controls
plus Switches


Smart controls can increase the efficiency and overall comfort of the system, so we programmed our controls to respond to motion and then select one of five lighting scenes base on the time of day. That way you get nice, bright lights while making dinner, and a softer light when getting a drink later in the evening. We also included override switches in every room in case the automatic scene wasn't quite perfect.


Project Learning: The bedroom motion sensors would often time-out when reading a book in bed. Combined with the hassle of custom programming to ignore the sensors after bedtime, this application of motion sensing was not a winner.
Adaptive Circadian Lighting

2700K above, warm amber below


Your body's natural 24h ("Circadian") cycles can be disrupted by bluish light in the evening. We used 2700K fixtures for the main lights, plus very warm amber footlights for safety in the middle of the night. We also experimented with an adjustable-color up-light, but ultimately replaced it with a fixed color temperature.

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Day Night
Exterior Lighting

Consideration for
your neighbors


As tempting as it may seem to point landscape lights upwards into your trees, or to have a giant searchlight turn on at the slightest motion, these choices have direct impact on our dark skies and our neighbors' light trespass and circadian health. Using downward-facing amber lights is a simple act of consideration for others' health and their enjoyment of the outdoors.

Lighting Controls

Control comes
at a price


The scenes worked nicely, but the controller circa 2013 had significant power consumption and was complicated to adjust. As shown in this chart, the sum of all of our home's control systems (including lighting) consumed more energy than the lights themselves. The good news is that lighting controls continue to improve, and should be a part of any modern lighting plan.

Technical Resources


The Smart Home project was about generating insights for others to build upon. As you develop your next home, please use any of our specs, drawings and data to help create a more sustainable future.

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Architectural Plans and Controls Wiring

If you like our design, feel free to start with these plans to build something great.

Interior Design Plans and Specifications

View our original layouts, as well as the Excel file of furnishing and lighting specs.

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