Green Building Certifications

Standard Development  NAHB Green Home Building Guidelines  Site design, preparation and development  Resource efficiency  Energy efficiency  Water efficiency  Indoor environmental quality  Global impact  Operation, maintenance and homeowner education  The Guidelines provided a basis for national and local programs.

Standard Development  Confusion and the need for a nationally recognizable standard remained.  NAHB notified ANSI and partnered with the ICC. Slide st ANSI-approved green building rating system

 Covers all major areas of residential construction  New construction  Renovations and additions  Site development  Multi-unit construction Slide 1-16 Cont’d… Standard Scope and Chapters

 Chapter 4: Site Design and Development  Chapter 5: Lot Design, Preparation, and Development  Chapter 6: Resource Efficiency  Chapter 7: Energy Efficiency  Chapter 8: Water Efficiency  Chapter 9: Indoor Environmental Quality  Chapter 10: Operation, Maintenance, and Homeowner Education

Standard Scope and Chapters  Bronze  Silver  Gold  Emerald

Project Certification Project Obtains Green Certified Mark Builder Uses Green Scoring Tool to Score Project Builder Hires Accredited Verifier Verifier Schedules Rough Inspection Verifier Schedules Final Inspection Notifies NAHB Research Center

Online Green Scoring Tool

LEED-H vs NGBS Preliminary Added Construction Cost Comparison LEED-H $6,400 - $11,000 (4-6%) $8,000 - $13,800 (3-8%) $19,300 - $22,500 (10-13%) $29,800 - $38,000 (20-22%) $1,050 - $2,350 NGBS $2,000 - $3,000 (1-2%) $4,000 – $6,000 (3-4%) $11,500 - $13,600 (6-8%) $25,600 – $31,200 (17-18%) $650 - $1,250 Certified- Bronze Silver Gold Platinum- Emerald Program Cost