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Solar Home Project: Day Lighting

This project aims to enhance residential environments through effective natural lighting strategies. By utilizing daylighting techniques, we can significantly reduce electricity and heating costs while ensuring comfort. Key design features include strategically placed south-facing windows, tubular skylights, and one-way mirrors that maximize sunlight penetration while maintaining privacy. With energy-efficient materials like argon-insulated windows and low-E glass, this approach minimizes heat loss in winter and optimizes light use in summer, addressing the challenges posed by traditional lighting systems.

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Solar Home Project: Day Lighting

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  1. Solar Home Project: Day Lighting By: Chris Glaug, Jim Thompson, Keegan Behm, Joe Maranowski

  2. Problems • Traditional lighting uses significant amounts of electricity. • The windows need to let in a sufficient amount of light while providing adequate insulation. • Changes in the season and weather conditions affect the amount of natural sunlight.

  3. Mission Statement • To find the best and most suitable way to create a comfortable environment through natural lighting • Lower heating and electricity use

  4. The Daylighting Tradeoffs But windows let out more heat in winter, using more heat energy • Natural light is let in with windows and skylights, using less electricity for light

  5. Areas of Heat Loss in a Home http://www.bbc.co.uk/schools/gcsebitesize/science/images/energy_saving_1.jpg

  6. Design Features -Awning on the outside windows on the south side of the house - Use of mirrors - Tubular lighting - One Way mirrors - Argon insulated windows - Low walls - White glossy paint Argon insulated windows Tubular lighting Awning over window White walls reflecting light

  7. House Design: Outside • Windows are placed at the south side of the home, where it is exposed to the most sunlight • Top layer of windows on the roof are more heavenly insulated to minimize heat loss in the winter, but can be opened in summer for ventilation  South Side

  8. House Design: Inside • Low Walls allow sunlight to be spread across multiple rooms, while still maintaining privacy • Walls are painted a glossy white so that light can be reflected easily • One way mirrors are placed on the East and West sides of the home to let light in and reflect it around the home.

  9. Windows continued… Specifications • Double-Hung Style for easy ventilation • Multiple Paned filled with Argon Gas for insulation • Foam warm edge spacer to reduce heat flow and prevent condensation • Low-E glass coating for lighting and insulation • Wood Frame (organic) for insulation

  10. Awning Summer Sun Awning Window • Placed over windows to direct the amount of sunlight into the home during certain seasons • Solar Paneled on Top Winter Sun

  11. Low-E Glass Coated Windows Thermal Image of Low-E Vs. Non Low-E Windows Summer Heat Gain is dramatically reduced. Winter Heat Loss is dramatically reduced.

  12. Tubular Skylights • Able to gather sunlight at the roof and transmit it down through a lens mounted in the inside • Natural Sunlight without electric lighting • Small and Discrete

  13. Cost Analysis • Tubular lighting w/ installation……………….$900 x 2 • Solar System……………………….................$60,000 • Windows…………………..………$400 x 7 + $218 x 7 • One Way Mirrors………………………..……..$800 x 2 • Awning…………………………………………… $1350 • Estimated Total………….………………..........$66,300

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