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NAHB GREEN BUILDING Rating Systems Overview

ICC 700-2008 National Green Building Standard™

Cover of the National Green Building StandardThe National Green Building Standard is the first residential green building rating system to undergo the full consensus process and receive American National Standards Institute approval. The four threshold levels - Bronze, Silver, Gold, and Emerald - allow builders to achieve entry-level green building, or the highest level of sustainable "green" building incorporating energy savings of 60% or more. Single-family & multi-unit homes, residential remodeling projects, and site developments are all covered in the Standard.

Dual Certification: National Green Building Standard with Builders Challenge

Logo for Builders Challenge program - a yellow sun with a round green center with with white letters B C in the center.New single-family homes certified to the Standard may qualify to be concurrently certified the Builders Challenge. Learn more about the Builders Challenge and how your green home may qualify.

NAHB Model Green Home Building Guidelines

Cover of the NAHB Model Green Home Building GuidelinesPublished in 2005, the NAHB Model Green Home Building Guidelines were written to serve as a voluntary "baseline" so that NAHB members could easily develop local green building programs. Focusing on new single-family homes, the Guidelines offer three levels of green building - Bronze, Silver, and Gold.

Green Home Building Rating Systems - A Sample Comparison

Green Home Building Rating Systems - A Sample Comparison (PDF) evaluates the costs and technical requirements of bringing two sample code-compliant production houses in different climate zones (Dallas & Washington, DC) into compliance at one point in time (January 2008) with three different green building rating systems: NAHB Model Green Home Building Guidelines, the National Green Building Standard version 2, and LEED for Homes.

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