National Green Building

Certification

EEBA Conference – Portland, OROctober 14

Benefits of Green Homes

Increased durability Better indoor air

quality Reduced

environmental impact Lower utility bills More comfortable Reduced waste /

pollution

Total Cost of Homeownership

Conventional Home Green Certified Home

House Cost $154,000

Mortgage $139,334

Monthly Payment

$1023

Utility Bills $93

Total Cost Homeownership

$1116

Savings $61

House Cost $150,000

Mortgage $135,000

Monthly Payment

$991

Utility Bills $186

Total Cost Homeownership

$1177

Builder Interest in Green

No Interest 12%Considering Green 20%Learning How to Build Green 23%Build Non-Certified Green Homes 28%Build Certified Green Homes 17%TOTAL 100%

Source: 2009 Home Builder Omnibus Survey, NAHB Research Center

Benefits to Builders Third-party inspections during construction

allow problems to be corrected more easily Builder can provide third-party assurance to

home buyers and increase customer satisfaction

Verification and certification guarantees compliance with NGBS

Verifiers can help builders incorporate best green building practices into their projects

NGBS GREEN CERTIFICATION

Certification to the NGBS Green ANSI Standard

Key Elements

1. ANSI-approved consensus standard2. Free web-based Green Scoring Tool3. Third-party verification of all points claimed 4. Applies to all residential projects5. Requires progressively higher levels of

environmental performance in every category to obtain higher levels of green certification

National Green Building Standard (NGBS)

Approved Jan 2009 Collaboration

between ICC and NAHB

Only ANSI-approved green building rating system

National Green Building Standard

Hallmarks of ANSI process include: consensus by balance of stakeholders; broad-based public review and comment; consideration of public comments; incorporation of approved changes into

standard; and right to appeal for anyone who believes

that due process was not respected

6 Green Practices Categories

Lot Design Energy Efficiency

Water Efficiency

Indoor Air Quality

Operation & Maintenance

Resource Efficiency

NGBS Green Certification Levels

Available Levels of Green Certification Bronze, Silver, Gold, and Emerald Levels

Minimum score per section required for each level

Need additional points across all sections The lowest section score determines the

home’s overall score

Performance Levels

Certification to the Standard

Standard defines green

Project verification

ensures compliance

National certification

ensures consistency

Obtain Green Certified Mark

Project Certification Process

Builder Scores Project

Builder Hires Accredited Verifier

Rough Inspection

Final Inspection

Notify NAHB Research Center

Notify NAHB Research Center

Importance of Certification

Buyers wary Certification mark -

proof of compliance RC protective of

misleading claims Heightened Scrutiny

New FTC Green Guides Energy Star GAO Report

COSTSCertification to the NGBS Green ANSI Standard

Rating SystemBronze /Certified Silver Gold

Emerald/

Platinum

National Green Building

Standard 1 - 2% 3% 7% 16%

LEED-H 3 - 6% 5 - 7%11 - 13%

17 - 23%

Green Rating Cost Comparison

Cost Analysis & Comparison

Generally there are 3 costs associated with building & certifying to the NGBS Construction Costs Verification/Testing Costs Certification Fees

Determined between each Builder & Verifier

Inspections typically two hours each (rough & final)

Many verifiers also provide other inspection/ testing services are already on site Testing fees set by

the market

Verification Costs

Single-Family Homes $200/home (NAHB members) $500 (non-NAHB members)

Multifamily buildings $200/building (NAHB members) $500 (non-NAHB members) Plus per-unit fee ($20)

Land Development Design Approval ($2,500) Certified Development ($2,500)

Certification Fees

TYPES OF RESIDENCES CERTIFIED

Scope of NGBS Green Subdivisions Green Building Path

Single Family Multi-family Additions Renovations

Green Remodel Path

Green Subdivisions - Land Development

One, Two, Three, and Four Stars

Performance criteria in Standard Chapter 4

Measures at planning, design and construction phases

Certification at design, completion, or for phases

All units must have green practice for points

Includes MF remodeling

One verification report per building

Mixed-use ok

Green Building Path- Multi-family Buildings

Available for additions adding 75% or less conditioned floor area to the building

Requires: Follows green

building path Uses Addition notes

specified in the NGBS

Green Building Path- Additions

Available for any home

Requires: Follows green

building path Uses Addition notes

specified in the NGBS

Green Building Path- Green Renovation

Green Remodel Path

Available for homes pre-1980

Requires: Improve energy

efficiency Reduce water usage Implement indoor air

quality measures Strictly performance

based

THE GREEN SCORING TOOL

The TurboTax® for the Standard

31

New Scoring Spreadsheet

3RD PARTY VERIFICATION

Verification to the NGBS

Third-Party Verification

Verification Details NAHB Research Center Accredited Verifier 100% Verification Two Verification inspections

One at rough One at final

Verifier’s Resource Guide used as basis for scoring principles

DUAL CERTIFICATION FOR NEW HOMES

Green & Energy Certification in One

Dual Certification NGBS & Builders Challenge

Dual Certification June 29, 09 NGBS DOE’s Builders Challenge

Seamless Integration w/ Green Certification Green scoring tool www.NAHBGreen.org

DOE’s Builders Challenge

Department of Energy’s (DOE’s) Builders Challenge Energy Certification HERS Index of 70 or

less Quality Criteria

Dual Certification Building practices leading to high

performance homes All practices in Builders Challenge

Quality Criteria are part of the NGBS (Chap 6,7, & 9)

Most NGBS silver-level houses can also meet Builders Challenge

GREEN APPROVED PRODUCTS

Products pre-approved for points under Standard

Green Approved Products

Pre-approved points for products Assists builders with making

product choices Link in Green Scoring Tool Simplifies specifications and field

inspections Simple and seamless process for

builders to select products

Approved Products Integrated with Green

Scoring Tool

www.GreenApprovedProducts.com

Program Stats

Accredited Verifiers 405 Projects Scored 15003 Green Approved Products 135 Builders 429 Certified Homes 1515 MF / Units 16/702 Land Development 11 Scheduled Inspections 488

LOOK FOR THIS MARK.IT’S PROOF THAT YOUR HOME IS GREEN!

Certification

Questions?

www.nahbgreen.org Contact Us

NGBS Update Current NGBS Revision Proposals

http://ngbscomments.nahbrc.org/ Plan to start the

process to update the NGBS in 2011

NAHB Research Center Secretariat for ANSI update

50

Resources National Green Building Certification

www.NAHBGreen.org Dual Certification

www.NAHBGreen.org/Guidelines/builderschallenge.aspx

Green Approved Products www.GreenApprovedProducts.com

NGBS Revision Proposal Form http://ngbscomments.nahbrc.org

Amber WoodProgram Manger, Energy Efficiency

NAHB Research Center400 Prince George’s Blvd Upper Marlboro, MD

20774301-430-6309 (toll-free) 800-638-8556

awood@nahbrc.com www.nahbrc.com

www.NAHBGreen.org

www.GreenApprovedProducts.com