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Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
Designing & Building Home As System
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Designing & Building Home As System

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Presentation/Opening Address for 2008 Building Green and Energy Efficient Homes Expo.

Presentation/Opening Address for 2008 Building Green and Energy Efficient Homes Expo.

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  • Transcript

    • 1. Presented by Cheryl Lee C/L Design-Build, Inc. Designing & Building the Home as a System
    • 2. Designing & Building a Home as a System
      • WELCOME!
      • FACT: Buildings use close to half of the world’s energy production with many of our new buildings being no more efficient than those built more than a century ago.
      • Throughout this Expo, we will explore:
        • Site Planning
        • Building Envelope
        • Resource Efficiency
        • Energy Efficiency
        • Water Efficiency
        • Indoor Air Quality
    • 3. Designing & Building a Home as a System
    • 4. Designing & Building a Home as a System
      • Site Planning
        • Protect & enhance the natural features
        • Minimize soil disturbance & erosion
        • Manage storm water
        • Landscape for water & energy conservation
        • Consider solar orientation
    • 5. Designing & Building a Home as a System
      • Building Envelope
        • Foundations
          • Keep groundwater & water vapor out (water proofing; drainage)
          • Keep soil gases out (vapor retarder; sealing)
          • Keep heat in during winter (insulate)
        • Thermal Envelope/Exterior Wall Assembly
          • Airtight Construction
          • Moisture Management
          • Environmentally Appropriate Insulation
          • Windows & Doors
    • 6. Designing & Building a Home as a System
    • 7. Designing & Building a Home as a System
      • Airtight Construction
        • Seal bottom plate with caulk (inside edge after walls are up)
        • Seal rim/band joist
        • Insulate exterior walls behind tubs/showers w/spray foam & insulation board
        • Seal door thresholds to subfloor
        • Seal windows & exterior door rough opening w/backer rod & caulk or non-expanding latex-based spray foam
        • Seal electrical boxes on exterior walls w/caulk or foil tape
        • Seal plumbing or HVAC penetrations w/caulk
        • Install weatherstripping & insulate attic hatches
    • 8. Designing & Building a Home as a System
      • I-Joist & LVL
      Caulk at framing Cellulose Insulation
    • 9. Designing & Building a Home as a System
      • Moisture Management
        • Deflection
          • Roof overhangs (Eave & Rake)
            • Illinois Climate Index is 35-65
            • For 2-story w/lap siding: overhangs should be 12”-18”
          • Covered Entries
          • Gutters & downspouts
            • Divert water minimum 5’ away from home foundation
        • Drainage
          • Housewraps
          • Metal flashing
    • 10. Designing & Building a Home as a System
      • Environmentally appropriate insulation
    • 11. Designing & Building a Home as a System
      • Windows & Glass Doors
        • Low-e Glass Coatings-
          • Transparent metallic oxides that
          • Reflect up to 90% of long wave heat energy back into house
          • While passing shorter wave, visible light
          • Improves insulating value like adding another pane of glass
        • Argon gas fillings
          • Safe inert gas
          • Boosts energy efficiency
        • U-Factor
          • Lower U-Factor indicates higher insulating value
        • Solar Heat Gain Coefficient (SHGC)
          • The fraction of solar radiation admitted through a window
          • Lower number equals less solar heat/better shading
    • 12. Designing & Building a Home as a System
      • Resource Efficiency
        • Reduce quantities of materials
        • Enhance durability/reduce maintenance
        • Use recycled materials
        • Use renewable materials
        • Recycle waste materials
    • 13. Designing & Building a Home as a System
      • Envelope Strategies
        • Simplify house designs
        • Optimize value engineering
          • Align framing; eliminate unnecessary framing; “California Corners”; single top plate for non-bearing interior walls.
        • Engineered wood products
          • Uses 80% of each log vs. 50% for solid sawn
          • Enhanced design values=longer spans
          • Plywood; Oriented strand boards (OSB); I-joists; Laminated veneer lumber (LVL); Parallel strand lumber (PSL)
        • Alternative Framing Systems
          • Insulated Concrete Forms (ICF’s); Structurally Insulated Panels (SIP’s); Modular; Panelized wall systems; Trusses
        • Alternative Siding Products
          • Fibercement; Vinyl; Masonry
    • 14. Designing & Building a Home as a System
      • Envelope Strategies, Cont.
        • Use Recycled Materials
          • Reclaimed Flooring
          • Reclaimed Timbers
          • Cellulose Insulation
          • Recycled Content Decking
          • Glass tiles
          • Composite Materials (MDF) for cabinets & trim
        • Use Rapidly Renewable Materials
          • Bamboo & cork flooring
          • Eucalyptus wood in cabinetry
    • 15. Designing & Building a Home as a System
      • Envelope Strategies, Cont.
        • Recycle Building Waste materials
          • Masonry (as fill under porches, walks, and driveways)
          • Cardboard
          • Wood
          • Copper
          • Aluminum
          • Drywall (reused in new drywall)
          • Plastics
          • Habitat For Humanity
    • 16. Designing & Building a Home as a System
      • Energy Efficiency
        • Heating and Cooling Options
          • Gas Furnace
            • Direct Vent-High Efficient Furnace >90%
            • 13 Seer AC is Code (17-20 Seer is best)
            • Centralized Returns
            • Equipment Sizing
            • Programmable (set-back) Thermostat
            • Duct Sealing
            • Keeping Filters Clean
          • Hydronic Systems
            • Imbedded Floor Loops
          • Geothermal Heat Pumps
            • Shallow Trenches
            • Bore Holes
    • 17. Designing & Building a Home as a System
      • Energy Efficiency
        • Heating and Cooling Options, Cont.
          • Humidity Control
            • Humidistat/Hygrometer (30%)
          • Ventilation & Fresh Air
            • HRV; ERV; Fan-Air Cyclers
          • Solar Thermal
            • Passive & Active
            • Solar Thermal Collectors
          • Testing by Energy Raters/Inspection Services
            • Blower Door Testing
            • Duct Blaster
            • Infrared Thermal Imaging
    • 18. Designing & Building a Home as a System
      • Energy Efficiency, Cont.
        • Lighting (consumes 15% of household electricity)
          • Lighting Control reduces electricity costs
            • Dimmer Controls
            • Timers
            • Occupancy Sensors
          • LED & Compact Fluorescent Bulbs
          • Maximize Day Lighting
          • Design Lighting for Performed Functions
          • Exterior Solar Lighting
        • Hot Water Distribution
          • Direct Vent Gas Fired
          • Tankless
          • Solar with Electric or Gas Back-up
    • 19. Designing & Building a Home as a System
      • Energy Efficiency, Cont.
        • Appliances
          • Typical Household spends $1500/year & Energy Star Appliances save up to 30%
          • Save water & electricity
    • 20. Designing & Building a Home as a System
      • Water Efficiency
        • Indoor Water Conservation Practices
          • Low-Flow Toilets
          • Low-Flow Shower Heads
          • Front-Loading Washing Machines
          • Water Efficient Dishwashers
        • Outdoor Water Conservation Practices
          • Rainwater Collection Systems
          • Sustainable Landscaping
          • High-efficient Irrigation
            • Programmable switches
            • Timers
            • Moisture/Rain Sensors
    • 21. Designing & Building a Home as a System
      • Indoor Air Quality
        • Eliminate Pollutants
          • Low VOC Materials
        • Ventilate
          • Controlled (Exhaust/Spot, Balanced/HRV’s)
        • Filtrate/Air Cleaning
          • Hepa Filters
          • MERV Ratings (Min. Eff. Reporting Value-Higher number is better)
          • Central Vacuum Systems
        • Separate
          • Seal Garage from rest of house
    • 22. Designing & Building a Home as a System
      • Last But Not Least
        • Design & Build your home for your region
          • Adobe construction not good for Midwest!
        • Consider Universal Design for sustainability/longevity
          • Good for resale- increases the number of buyers
        • Use local products and native landscaping materials
          • Usually a lower initial investment
          • Helps the local economy, less shipping that can be better for environment
        • Take the time to learn how to operate/maintain your home
          • A well designed, quality home will fail if not maintained!
    • 23. Designing & Building a Home as a System
      • Next Presenter: Brandon Leavitt/Solar Service

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