Creating new energy efficiency standards for buildings Greensleeves

ASHRAE, the U.S. Green Building Council and the Illuminating Engineering Society released new standards, which they hope will reduce the environmental and energy impact of buildings.

New Standards for Green Buildings Released

New green standards for buildings are now out. These standards will address water-use efficiency, energy efficiency and environmental quality, among other things.

This week, ASHRAE, the U.S. Green Building Council and the Illuminating Engineering Society released new standards, which they hope will reduce the environmental and energy impact of buildings.

Changes to the ANSI/ASHRAE/USGBC/IES Standard 189.1-2014, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings will address water-use efficiency, energy efficiency, environmental quality and more.

HPAC’s website highlighted some of the larger changes made this year, including:

  • Energy: Significant updates are included to reflect the publication of Standard 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings, including revised building envelope provisions. Fenestration orientation requirements were updated based on new research, as well as changes and updates made to equipment efficiency tables, ENERGYSTAR references and continuous air-barrier requirements.
  • Energy Performance, Carbon Dioxide Emissions, and Renewables: Changes and clarifications are included to reflect changes to Standard 90.1. Carbon dioxide emission factors for different energy sources are updated.
  • Indoor Environmental Quality: Lighting quality is added to the scope of this section, and requirements are added for lighting controls in specific space types. Requirements for air sealing of filtration and air-cleaning equipment are clarified, and new requirements for preoccupancy ventilation and building envelope moisture management are added.
  • Site Sustainability: All site requirements are now mandatory, with prescriptive and performance options moved to the mandatory requirements. Requirements for stormwater management are enhanced, and new requirements added for bicycle parking and for preferred parking for low-emission, hybrid and electric vehicles. New requirements are added for predesign assessment of native and invasive plants.


Visit HPAC’s website for the full story or visit www.ashrae.org/bookstore to purchase the full report.

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