Basics of Daylighting in a Green Environment
The use of natural sunlight, known as daylighting, to illuminate a building can save energy, reduce operating costs, create visual appeal, and enhance occupant health and productivity. The U.S. Green Building Council Leadership in Energy and Environmental Design (LEED™) rating system encourages the use of daylighting to achieve high performance buildings. This course provides an introduction to the use of daylighting in commercial spaces. The course objective is to show why daylighting should be considered, the basic guidelines of using daylighting and some words of caution when using certain daylighting techniques.

2.8 Daylight Analysis - Computer Software

There are some relatively simple tools available for doing lighting analysis with daylighting included. Such tools allow you to see performance while modifying a range of parameters including:

  • Time of Day
  • Day of Year
  • Sky Conditions
  • Glazing Options

There are also more comprehensive tools that can produce renderings of near photographic quality.

In general, daylight design tools should provide the following:

  • Visualization of the luminous environment of any given daylight design
  • Prediction of daylight factors
  • Identification of potential glare sources and evaluation of visual comfort indices
  • Prediction of potential energy savings
  • Control of direct solar penetration and visualization of the dynamic behavior of sunlight

List of software programs (a listing here is not an endorsement):

Source: Benya Lighting Design, Daylighting Design Tool

Source: Benya Lighting Design, Daylighting Design Tool

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