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About This Item


Full Description

Changes for the 2015 Edition

The 2015 edition incorporates changes that better align the NGBS with the I-codes, expands the application of innovative practices and builds upon years of building and certifying to NGBS. Some of the more notable updates include:

  • Substantial revisions to the Energy Efficiency chapter, which now has more stringent rating levels based upon whole-house energy savings that are above the 2015 International Energy Conservation Code.
  • New criteria for measuring water usage that focus on appliance and fixture performance instead of third-party water efficiency labels.
  • Mandatory installation of carbon monoxide alarms for all buildings, regardless of level of certification or local code.
  • Revamped stormwater management options that encourage low-impact development practices.
  • Greater emphasis on and recognition of multi-modal transportation options including bicycle parking, pedestrian connectivity, proximity to transit and electric-vehicle charging.
  • New references in the Resource Efficiency chapter on innovative practices for environmental product declarations for both specific and industry-wide products.

This latest edition includes everything needed to design, construct or remodel any residential project to the most current sustainable and green building criteria available - all under one roof!

ASHRAE has also made arrangements with NAHB to make a complimentary eBook edition available at

Citation: Non-ASHRAE Book


Document History

  1. ASHRAE/ICC 700-2015


    National Green Building Standard(TM)

    • Most Recent
  2. ICC 700-2012

    National Green Building Standard (ANSI/ICC/NAHB)

    • Historical Version
  3. ICC 700-2008

    National Green Building Standard (ANSI/ICC/NAHB)

    • Historical Version