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The advantages of passive solar lighting
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The advantages of passive solar lighting

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  • 1. The Advantages of Passive Solar Lighting (Daylighting)
    TJ Purewal
  • 2. What is Passive Solar Lighting?
    • Passive Solar Lighting, or Daylighting is the use of direct, diffused or reflected sunlight to provide added lighting for buildings.
    • 3. Daylighting can fully replace electric lights.
  • Advantages of Daylighting
  • 4. Saves Costs
    • Passive solar energy can reduce monthly energy expenses by 13.8 percent.
    • 5. All heat and light generated by your passive solar system is free.
  • No Equipment to Buy or Maintain
    • Homes with passive solar systems do not require central heating or air conditioning systems. 
    • 6. Passive solar systems require no maintenance, as there are no filters to change or ducts to clean.
  • Fossil Fuels Conserved
    • Homeowners who get their power from local utility companies ultimately rely on fossil fuels for energy. Therefore, using passive daylighting conserves fossil fuels.
  • Environmental Benefits
    • Passive solar design is a completely clean energy source. It produces no harmful fumes, pollutants or emissions that can harm the environment.
  • Daylighting Techniques
  • 7. Effective and Successful Daylighting is achieved through…
    • Positioning and sizing your windows to allow for sufficient natural light to enter your home.
    • 8. Using exterior shading to diffuse the sunlight
  • Solar Daylighting Windows
    • Solar daylighting primarily occurs through large windows. Buildings that use solar daylighting require specific placement and spacing of windows. For example, windows that are higher up on a wall distribute sunlight better.
  • Clerestory Windows
  • 9.
  • 10.
  • 11. Skylights
  • 12.
  • 13.
  • 14. “In my view, no space without natural light is worthy of human occupation” ~ John Saladino