the house as a “system” presented by greg shinaut
TRANSCRIPT
The House as a
“System”
Presented by Greg Shinaut
Understanding Green BuildingUnderstanding 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
The House as a “System”The House as a “System”
How Heat is TransferredThermodynamics -- thermo = heat , dynamics = movement
Thermal TransmissionConduction
Convection Radiation
The House as a “System”The House as a “System”
Air Leakage
The House as a “System”The House as a “System”
Air Leakage cont…Air Leakage cont…
The House as a “System”The House as a “System”
Air Barriers
Airflow MechanismsAir Pressure
Stack effect
Flue effect
Tight Houses Need VentilationHeat Recovery Ventilator
Bath Fans
The House as a “System”The House as a “System”
The Many Faces of Water
Gravity
Diffusion
From wet to dry
Capillary
Airflow
Controlling Sound Transmission
The House as a “System”The House as a “System”
Lot Design, Preparation and DevelopmentLot 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
The House as a “System”The House as a “System”
ResourceResource EfficiencyEfficiency We have Tree Farms not Forests
FSC – Forest Stewardship Council
Certified Lumber
Chain of Custody
The House as a “System”The House as a “System”
Resource EfficiencyResource Efficiency Frame with Trusses
Advanced Framing
Engineered Wood Products
The House as a “System”The House as a “System”
Resource EfficiencyResource Efficiency Insulated Concrete Forms
Straw Bale
Straw /Mud Rammed
The House as a “System”The House as a “System”
Energy EfficiencyEnergy 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
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency
Glazing U-Factor Max .35
Solar Gain
Light Transmittance
Low –Emission
Gases
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Daylighting
Clearstory
Transom
Skylights
Light Tubes
Doors
Fiberglass / Steel Insulated R-5
Adjustable Thresholds
French v/s Slider
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Multiple HVAC SystemsMultiple HVAC Systems
Zoned - auto dampersZoned - auto dampers
ThermostatsThermostats Programmable / set back Programmable / set back
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Lighting
Natural
Compact Fluorescents
Insulated Recess
LED
Halogen
Photo cell
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Lighting Design
Light v/s Energy
Hi-tech
Appliances Energy Star
Refrigerator
Clothes Washer
Dryers w/ Humidity Sensor
Clothes Lines
Built in Microwave
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Old Assumptions Don’t Work
Full Package
Testing
The House as a “System”The House as a “System”
Energy EfficiencyEnergy Efficiency Loose-Fill Insulation
Fiberglass
Cellulose
Spray-in Insulation Open or closed cell
Flash & Batt
The House as a “System”The House as a “System”
Water EfficiencyWater 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
The House as a “System”The House as a “System”
Water EfficiencyWater Efficiency Appliances that Save
Energy Star
Clothes Washer
Dishwasher
No Garbage Disposal
Compost
The House as a “System”The House as a “System”Water EfficiencyWater 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
The House as a “System”The House as a “System”
Indoor Air QualityIndoor Air Quality Contaminants and Their Impact on Health
Mold
Dust Mites
Pollen
Animal Dander
Bacteria
The House as a “System”The House as a “System”
Indoor Air QualityIndoor Air Quality Building Products that Off-Gas
Formaldehyde
Adhesives in wood sheet goods
Vinyl Chloride
PVC piping
Styrene-butadiene latex
Binders for carpet
The House as a “System”The House as a “System”
Indoor Air QualityIndoor Air Quality The Cure for Dirty Air
Isolate the Garage
Radon Mitigation
HRV
Filter the Air
CO detector
Humidifier
The House as a “System”The House as a “System”
Indoor Air QuailtyIndoor Air Quailty Ventilation
Natural
Whole House Fan
Range Hoods
HRV / ERV
Energy Star Bath Fans
Energy Star Ceiling Fans
Return or Transfer Grills
The House as a “System”The House as a “System”
Indoor Air QuailtyIndoor Air Quailty Paints, Finishes and Adhesives
Low VOC – volatile organic compound
Recycled Content
Light Colors
Water Based
Low Toxic
Low Biocide
Plant / Mineral Based
The House as a “System”The House as a “System”
Global ImpactGlobal Impact Solar Energy
Thermal passive
Photo Voltaic
Wind Energy
Roof mount
Tower mount
The House as a “System”The House as a “System”
Global ImpactGlobal Impact Geothermal Systems
Pump & Dump
Horizontal Loop
Vertical Loop
The House as a “System”The House as a “System”Global ImpactGlobal Impact Green Flooring
Hardwood
Bamboo
Cork
Recycled Flooring
Domestic
The House as a “System”The House as a “System”
Global ImpactGlobal Impact Light Colors Reduce Heat GainLight Colors Reduce Heat Gain
Last longer too..Last longer too..
Weatherwood or lighterWeatherwood or lighter
Really Green RoofsReally Green Roofs
The House as a “System”The House as a “System”
Operation and MaintenanceOperation and Maintenance Educate the New Homeowner
What to expect
How to Maintain the Home
If They Remodel or Add-on
Possible Home-Service Opportunity!
The House as a “System”The House as a “System”
Contact InformationContact Information
Greg Shinaut – [email protected] Shinaut – [email protected]
NSHBA Green Build Council – NSHBA Green Build Council – www.nebraskagreenbuilders.com
NAHB - NAHB - www.nahbgreen.org
USGB /LEED - www.usgbc.comUSGB /LEED - www.usgbc.com