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Daylighting

EDSGN 100 Section 6 Team 5 Casey Davis, Adrienne Veit , QuaShawn Rosario, Justin Burdette. Daylighting. Google Sketch-up Model. Floor plans. Provide natural sunlight inside house during day hours Difficult to provide amounts appropriate to the season

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Daylighting

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  1. EDSGN 100 Section 6 Team 5 Casey Davis, Adrienne Veit, QuaShawn Rosario, Justin Burdette Daylighting

  2. Google Sketch-up Model

  3. Floor plans

  4. Provide natural sunlight inside house during day hours • Difficult to provide amounts appropriate to the season • Reduce electric light during day • Can lead to increase in heating • Replacing insulated walls with windows Project D - Daylighting

  5. Direct Gain Windows Thermal Mass Floor Clerestories Overhangs Greenhouse Geothermal Heating Solar Panels Solar Heated Water Solar Techniques Implemented

  6. Direct Gain / Thermal Mass • Large triple glazed windows facing south • 51% solar heat gained • 65% visible light transmitted • Light absorbed by thermal mass floor • Radiates heat

  7. Clerestories • South facing window on roof • Angled to allow winter sun, not summer sun • Overheating prevented • Privacy

  8. Extension of building atop window Length calculated using sun angles Prevent overheating (summer) Allow for heating (winter) Overhangs

  9. Greenhouse • Entirely glass room • Heat trapped behind glazing • Hot air rises while cool air drops • Vents open and close to control house heating

  10. Geothermal Heating • Earth crust keeps relatively constant temperature • Loop (network of tubes) throughout house and into ground • Tube full of liquid • refrigerant, water, etc… • Absorb heat from ground and release into house • Opposite possible for cooling • Circuit constant

  11. Solar Panels / Solar Heated Water • Thermal solar panels placed on roof • Generate electricity by converting photons absorbed by the cells to free electrons • Conducted to series of tubes and transferred to insulated tank • Heated water stored in tank until use

  12. Triple Glazed Windows • 10% off cost up to $200 on all windows, skylights, clerestories • Geothermal Heat Pump • 30% off cost up to $2000 • Solar Panels • 30% off cost up to $2000 • Beginning 2009, no cap Government incentives

  13. Triple Glazed Windows • Save 2-3% on heating bill • Cost 10-15% more to install • Geothermal Heating • Save 30-70% on heating bill • Save 20-50% on cooling bill • Utilities provide incentives • Cost 50-100% more to install • Solar Panels • Currently a small difference in electric • If electric prices increase, difference between the two will grow • Thermal Mass Walls • Annual energy consumption 6-10% less Energy Saved

  14. Direct Gain Picture - http://softenergy.blogspot.com/2007/03/passive-solar-energy-for-homes.html Thermal Mass Picture - http://www.bialeckiarchitects.com/sustainable_design/main/index.shtml Clerestories Picture - http://www.greenspec.co.uk/html/lowcarbon/lowcarbondirectgain.html References

  15. Overhangs Picture - http://softenergy.blogspot.com/2007/03/following-techniques-use-passive-solar_08.html Greenhouse Picture - http://jc-solarhomes.com/passive_solar.htm Geothermal Heating Picture- http://www.alternative-heating.com/geothermal-heating-systems.html Solar Heated Water Picture- http://www.austinsolergy.com/index.php?pageID=4 References Continued

  16. Thermal Mass Energy Saved - http://www.ornl.gov/sci/roofs+walls/research/detailed_papers/thermal/potential.html. Government Incentives - http://www.energystar.gov/index.cfm?c=products.pr_tax_credits#s2 References continued

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