[BLDG-SIM] Daylight 1-2-3

[Reinhart, Christoph]

Dear colleagues,
 
It is my pleasure to announce to you the release of Daylight 1-2-3, a
new daylighting/energy analysis software developed jointly by the
National Research Council Canada and Natural Resources Canada. The tool
predicts the daylighting and energy performance of sidelit and/or toplit
private offices, open plan offices, and classrooms. Daylight 1-2-3 comes
with an intuitive graphical user interface and extensive help files and
should take you less than 30 minutes to learn. 
 
Daylight 1-2-3 uses a customized version of ESP-r that reads in
RADIANCE/DAYSIM-based daylight coefficients and uses the occupant
behavior model Lightswitch to predict the energy saving potential of
automated lighting controls such as occupancy sensors and
photocell-controlled dimming. Simulation outputs include the latest
generation of climate-based daylight performance metrics such as
continuous daylight autonomy, useful daylight index, and daylight
saturation percentage as well as monthly energy loads for heating,
lighting, and cooling. The effect of venetian blinds is modeled using
the SKYVISION software. For a full overview of the software please refer
to http://lightswitch.irc.nrc.ca/website/p233v1.pdf.
 
You can download the software free-of-charge from www.daylight1-2-3.com.
The software is currently available under WINDOWS only.
 
Your comments and suggestions are welcome. 
 
Happy simulations,
 

The Daylight 1-2-3 Development Team
 
 


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