1. The House as a “System” Presented by Greg Shinaut

2. Understanding Green Building  Lot Design, Preparation and Development  Resource Management  Minimize Energy Use & Use Renewable Energy Strategies  Water Efficiency  Indoor Environmental Quality  Operation, Maintenance and Homeowner Education

3. The House as a “System”  How Heat is Transferred  Thermodynamics -- thermo = heat, dynamics = movement  Thermal Transmission  Conduction  Convection  Radiation

4. The House as a “System”  Air Leakage

5. The House as a “System”  Air Leakage cont…

6. The House as a “System”  Air Barriers  Airflow Mechanisms  Air Pressure  Stack effect  Flue effect  Tight Houses Need Ventilation  Heat Recovery Ventilator  Bath Fans

7. The House as a “System”  The Many Faces of Water  Gravity  Diffusion  From wet to dry  Capillary  Airflow  Controlling Sound Transmission

8. The House as a “System” Lot Design, Preparation and Development  Home Orientation  East & South Sides for Outdoor Use  Long Side Faces Within 20 Degrees True South  Allow for Cross Ventilation  Grade  Storm Water Control  Concrete Dump Area  Save any Topsoil  Protect Existing Trees or Transplant

9. The House as a “System” Resource Efficiency  We have Tree Farms not Forests  FSC – Forest Stewardship Council  Certified Lumber  Chain of Custody

10. The House as a “System” Resource Efficiency  Frame with Trusses  Advanced Framing  Engineered Wood Products

11. The House as a “System” Resource Efficiency  Insulated Concrete Forms  Straw Bale  Straw /Mud Rammed

12. The House as a “System” Energy Efficiency  Window Placement & Size ?!?!  Vertical Glazing area  5-7% of Gross Floor Area on South  < 2% of Gross Floor Area on West  < 4% of Gross Floor Area on East  < 8% of Gross Floor Area on North

13. The House as a “System” Energy Efficiency  Glazing  U-Factor Max.35  Solar Gain  Light Transmittance  Low –Emission  Gases

14. The House as a “System” Energy Efficiency  Daylighting  Clearstory  Transom  Skylights  Light Tubes  Doors  Fiberglass / Steel Insulated R-5  Adjustable Thresholds  French v/s Slider

15. The House as a “System” Energy Efficiency  Multiple HVAC Systems  Zoned - auto dampers  Thermostats  Programmable / set back

16. The House as a “System” Energy Efficiency  Lighting  Natural  Compact Fluorescents  Insulated Recess  LED  Halogen  Photo cell

17. The House as a “System” Energy Efficiency  Lighting Design  Light v/s Energy  Hi-tech  Appliances  Energy Star  Refrigerator  Clothes Washer  Dryers w/ Humidity Sensor  Clothes Lines  Built in Microwave

18. The House as a “System” Energy Efficiency  Old Assumptions Don’t Work  Full Package  Testing

19. The House as a “System” Energy Efficiency  Loose-Fill Insulation  Fiberglass  Cellulose  Spray-in Insulation  Open or closed cell  Flash & Batt

20. The House as a “System” Water Efficiency  Saving Water by Reducing Flow  Faucets – 1.5 - 2.0 gpm  Shower heads - 2.5 gpm  Toilets – 1.1 – 1.6 gpm  Plumbing for Gray Water

21. The House as a “System” Water Efficiency  Appliances that Save  Energy Star  Clothes Washer  Dishwasher  No Garbage Disposal  Compost

22. The House as a “System” Water Efficiency  Evaluate Site and Climate  Drought Tolerant Sod & plants  Exterior Water Conservation  Pavers  Sprinkler Systems  Zoned  Rain sensor  Drip systems  Rain Gardens  Rain Water Collection

23. The House as a “System” Indoor Air Quality  Contaminants and Their Impact on Health  Mold  Dust Mites  Pollen  Animal Dander  Bacteria

24. The House as a “System” Indoor Air Quality  Building Products that Off-Gas  Formaldehyde  Adhesives in wood sheet goods  Vinyl Chloride  PVC piping  Styrene-butadiene latex  Binders for carpet

25. The House as a “System” Indoor Air Quality  The Cure for Dirty Air  Isolate the Garage  Radon Mitigation  HRV  Filter the Air  CO detector  Humidifier

26. The House as a “System” Indoor Air Quailty  Ventilation  Natural  Whole House Fan  Range Hoods  HRV / ERV  Energy Star Bath Fans  Energy Star Ceiling Fans  Return or Transfer Grills

27. The House as a “System” Indoor Air Quailty  Paints, Finishes and Adhesives  Low VOC – volatile organic compound  Recycled Content  Light Colors  Water Based  Low Toxic  Low Biocide  Plant / Mineral Based

28. The House as a “System” Global Impact  Solar Energy  Thermalpassive  Photo Voltaic  Wind Energy  Roof mount  Tower mount

29. The House as a “System” Global Impact  Geothermal Systems  Pump & Dump  Horizontal Loop  Vertical Loop

30. The House as a “System” Global Impact  Green Flooring  Hardwood  Bamboo  Cork  Recycled Flooring  Domestic

31. The House as a “System” Global Impact  Light Colors Reduce Heat Gain  Last longer too..  Weatherwood or lighter  Really Green Roofs

32. The House as a “System” Operation and Maintenance  Educate the New Homeowner  What to expect  How to Maintain the Home  If They Remodel or Add-on  Possible Home-Service Opportunity!

33. The House as a “System” Contact Information Greg Shinaut – gshinaut@lincoln.ne.gov NSHBA Green Build Council – www.nebraskagreenbuilders.com www.nebraskagreenbuilders.com NAHB - www.nahbgreen.org www.nahbgreen.org USGB /LEED - www.usgbc.com