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Green Building “The future of home building is green building” Charlie Ruma, Immediate-past President of NAHB
,Definition green building is the resource-efficient—
1. design 2. construction, and 3. operation of buildings by employing environmentally sensible: 1.construction practices 2.systems, and 3.materials Source: National Association of Home Builders (NAHB)
,Facts recent phenomenon (1991)
about a 2 dozen green building programs in existence: municipal
voluntary (Austin, TX)
mandatory (Boulder, CO; Frisco, TX) HBA voluntary (Denver, CO; Atlanta, GA)
more to come… ,Components main areas addressed by green building programs:
energy and resource efficiency
water conservation health and environmental quality materials and waste management site design and protection ,Energy Standards reduces energy consumption:
passive solar design
light-colored roofing energy-efficient appliances low emissivity windows improved insulation efficient lighting energy-efficient AC and heating systems ,Resource Standards draws on renewable resources where possible:
ground-source heat pumps
passive solar design solar thermal water heaters photovoltaic panels ,Water Standards conserves water:
low-flow fixtures
low-flow toilets greywater systems rainwater harvesting xeriscaping “smart” irrigation systems ,Materials Standards promotes best use of materials:
floor joists, wall studs at 24” centers
engineered lumber products where possible laminated wood in lieu of solid beams regionally-produced products recycled content carpet and padding recycled content roof material ,Waste Management Standards encourages waste management:
recycle construction waste
outdoor composting built-in kitchen recycling center ,Building Site Standards protects the building site:
erosion control site plan
save and reuse topsoil existing tree protection replant or donate removed vegetation maximize pervious surface ,Health/Environmental Standards focuses on health and environmental quality:
low VOC interior paints
solvent-free, low-toxic finishes radon mitigation carbon monoxide detector exhaust fan in garage moisture control measures central vacuum system vented to exterior ,Benefits of Green Building lower operating cost
homes require less energy and use less water
lower maintenance more durable building components/better building practices reduce upkeep and replacement costs
increased home value lower documented utility bills
market for “green” homes improved environmental quality indoor (moisture control)
outdoor (resource-efficiency) Source: NAHB
,Existing Programs Austin, TX
Boulder, CO Denver, CO Atlanta, GA Frisco, TX ,Austin Green Builder Program first green building program in the nation (1991)
voluntary, municipally-run program city-owned utility company is a major partner in the program certifies homes on a scale of one to four stars. 5 content areas focusing on environmental issues assists building professionals: training
marketing technical advice ,Austin Green Builder Program (cont.) market-based and market-driven program (very little regulation)
energy code amendment to building code
18 required items out of 170 focus on education of consumers: consumers drive the market
$150,000 marketing budget certified approximately 600 homes in 2000 ,Boulder’s Green Points Building Program municipally-run program
mandatory (regulatory with some flexibility) new construction/remodeling over 500 square feet
Green Points Application 1 level with 8 content areas few point requirements from the content areas additional point for every 200 sf. over 2,500 mix of city-inspection and self-certification standards standards in packet (Appendix C) ,Denver’s Built Green Colorado Program voluntary, HBA–run program
extensive marketing and education partnerships with state government
provides marketing and technical assistance to builders, as well as discounts on educational seminars great flexibility 21 content areas foc

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