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ZEH Home Project

ZEH Home Project. Team M.A.R.S. (Ryan McDevitt , Matt Helm, Scott Klima , Abhinav Kalavar ). Project Overview. Goal -To design and construct a model Zero Energy Home with a practical living environment, while including all of the features that we want in our own house.

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ZEH Home Project

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  1. ZEH Home Project Team M.A.R.S. (Ryan McDevitt, Matt Helm, Scott Klima, AbhinavKalavar)

  2. Project Overview • Goal -To design and construct a model Zero Energy Home with a practical living environment, while including all of the features that we want in our own house. • Important Features -Passive Solar Design -Efficient Appliances -Photovoltaic System -Man Cave -Geothermal Heating/Cooling

  3. Project Overview Continued

  4. Appliance Selection • Electric Geothermal Heat Pump • Efficiency • Low monthly cost • No budget so why not? • Energy Recovery Ventilator (ERV) • WhirpoolWasher • -Model WFW94HEX*+

  5. Passive Solar Design • Goal – 1st Floor • Window Area = 10% of 1st Floor Area • Slab Area = 2-3 times the size Window Area on 1st floor • Also within the range of the south facing windows • Results • Windows • 1st Floor Window Area = 200ft3 • 1st Floor Area = 1840ft3 • Window Area to Floor Area Ratio 10.9% • Slab Area • Area = 780 • Slab Area to Window Area Ratio = 3.9

  6. Passive Solar Design

  7. Passive Solar • Second Floor • Can use a concept called “water walls” or water tubes Image 1: http://www.azsolarcenter.org/tech-science/solar-architecture/passive-solar-design-manual/passive-solar-design-manual-heating.html Image 2http://www.buildinggreentv.com/keywords/passive-solar?page=2

  8. Solar Electric System • Panels • Sunpower SPR-318-WHT-D • 318W/panel • Size of PV system: 8.9kW • Reasons for using this model • Number of panels: 28 (7 panels in series) • Total Voltage: ~385V

  9. Solar Electric System (cont’d) • Inverter • Sunny Boy 9000TL-US • Max DC Power: 9400W • Peak Power Tracking Voltage Range: 300V-480V (mid-range of tracking voltage: 390V)

  10. Preliminary Sketch Second Floor Sketch

  11. Sketchup Images Second Floor Sketchup

  12. SketchUp Images

  13. North Side View

  14. March 21st Equinox Noon

  15. June 21st Summer Solstice Noon

  16. September 21st Equinox Noon

  17. December 21st Winter Solstice Noon

  18. Summary of Design: Interior • Open interior • Maximum potential of basement (Man Cave) • 5 bedrooms • 3.5 bathrooms • 4,308 ft2 • Energy Efficient Appliances • Hardwood floors, except carpet basement • R-60 Ceiling insulation • R-36 Wall insulation

  19. Summary of Design: Exterior • Flat roof, lined with solar panels • Potential to be a “Green Roof” • Wood Exterior • Patio • Bay window amongst other south facing windows Image: http://www.buildinggreentv.com/keywords/green-roof-materials

  20. ZEH House Summary

  21. Summary of Design Chart Chart 1 Chart 2

  22. Reflection • Google Sketchup • Scale Modeling • Efficient Heating Systems • The utilization and benefits of Solar Energy • Difficulty creating a “realistic” ZEH • House size • PV system size • Understanding impact on environment • How much energy we use • Teamwork • Time management • Fair distribution of work

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