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ICC 700-2020 National Green Building Standard
ICC 700-2020 National Green Building Standard

ICC 700-2020 National Green Building Standard


256 Pages, 8.5 x 11

Formats: EPUB, Trade Paper

Trade Paper, $21.95 (US $21.95) (CA $21.95)

Publication Date: June 2020

ISBN 9780867187793

Rights: US & CA

National Association of Home Builders (Jun 2020)


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The ICC 700-2020 National Green Building Standard® (NGBS) is an American National Standards Institute (ANSI) —approved, residential building standard. This fourth edition was developed by an independent consensus committee of a broad range of stakeholders in partnership between the International Code Council and the National Association of Home Builders. The NGBS outlines a variety of green design and construction practices that can be incorporated into your single-family, multifamily, and mixed-use buildings, either for new construction or remodeling. The NGBS also includes green practices for land development projects as well as assisted living facilities, residential board and care facilities, and group homes. The NGBS includes high-performance building practices in six areas: Lot Design and Development, Resource Efficiency, Water Efficiency, Energy Efficiency, Indoor Environmental Quality, and Building Operation & Maintenance. The NGBS has four primary certification levels—Bronze, Silver, Gold and Emerald, providing residential building professionals options to integrate sustainability and high-performance into their project at a level most appropriate for their business model, customer base and local housing market. A new compliance path (Certified) customized for single-family and townhome dwellings is added in the 2020 Edition. The NGBS also offers a compliance path for residential and mixed-use communities with four levels of land development practices, ranging from One-Star through Four-Star. Changes for the 2020 Edition The 2020 edition expands the application of innovative practices, offers additional options towards achieving certification, and builds upon a decade strong foundation of program use. Significant changes include: -A new Chapter 12: Certified Compliance Path for Single-Family Homes, Townhomes and Duplexes, provides a new compliance path customized for single-family dwellings; -An expanded scope that now includes compliance for the non-residential portion of mixed-use buildings as long as the residential portion of the building is greater than 50 percent of gross floor area (previous editions defined criteria only for the residential portion of the project); -A new performance path to demonstrate water efficiency using an index that generates a score to represent the project's water efficiency as compared to a baseline (code-built) home; -An option for buildings that have been remodeled within the past three years, if documentation is available, to demonstrate energy and water efficiency improvements; -And, a substantially revised remodeling chapter that offers a choice of prescriptive or performance compliance paths for energy and water efficiency. The NGBS continues to provide architects, builders, and developers the flexibility needed to design and construct homes and mixed-use buildings that are sustainable, cost-effective and appropriate for a home's geographic location.

Author Biography

The National Association of Home Builders is a Washington-based trade association representing more than 140,000 members involved in home building, remodeling, multifamily construction, property management, subcontracting, design, housing finance, building product manufacturing, and other aspects of residential and light commercial construction. NAHB is affiliated with 700 state and local home builders associations around the country.