Standard 189.1 provides total building sustainability guidance for designing, building, and operating high-performance green buildings. From site location to energy use to recycling, this standard sets the foundation for green buildings by addressing site sustainability, water use efficiency, energy efficiency, indoor environmental quality (IEQ), and the building's impact on the atmosphere, materials and resources.

Standard 189.1 is a compliance option of the International Green Construction Code^TM (IgCC).

$128 (ASHRAE Member $109) / 2014 / 132 pages

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ASHRAE now offers Standard 189.1 in multiple formats, so you can select the option that's best for you.

• Printed Edition + PDF bundle—Make sure your preferred format is at your fingertips: The classic desk reference in print, plus anytime, anywhere access to the PDF. Buy them together and save.
• Multi-user PDF—Small teams are power users, too. Multi-user PDFs amplify your buying power for up to nine users at any location.
• Redlines—Stay on top of every addition, deletion, and update in a fraction of the time. See at a glance exactly what changed, when. You also receive a clean copy of the current, active version.
• Digital Collections—Tame the cost and complexity of standards management across your entire organization. Digital Collections provide web-based, enterprise access to ASHRAE and other-industry publications for your company's information needs.

Looking for previous revisions?

ASHRAE offers superseded editions of Standard 189.1 and User's Manuals in the ASHRAE Bookstore. Find previous editions in the 'Document History' section of the 189.1-2014 product page. Browse Now

The standard provides minimum requirements for siting, design, construction, and operation of high-performance green buildings to (1) balance environmental responsibility, resource efficiency, occupant comfort and well being, and community sensitivity, and (2) support the goal of development that meets the needs of the present without compromising the ability of future generations to meet their own needs. This standard provides minimum criteria that apply to new buildings and their systems, new portions of buildings and their systems, and new systems and equipment in existing buildings.

The provisions of this standard do not apply to single-family houses, multi-family structures of three stories or fewer above grade, manufactured houses (mobile homes) and manufactured houses (modular), or buildings that use none of the following: electricity, fossil fuel, or water.

189.1 Training, Courses and Seminars
Preview 189.1-2014

Send an email to ashrae1891faq@ashrae.org or call 404-636-8400 and ask for Steve Hammerling, Assistant Manager of Research & Technical Services, or Lilas Pratt, Manager of Special Projects.

ASHRAE staff will attempt to respond with an unofficial response within one business day. If you wish to request a formal technical interpretation from SPC 189.1, instructions can be found here

• International Green Construction Code (IgCC) 
• 189.1-2014 User's Manual

• Database of Federal, State and Local Incentives for Energy Efficiency and Renewable Energy
• Tax Breaks for Businesses, Utilities and Governments
• Combined Heat and Power Partnership  
• Brownfields and Land Revitalization  
• IAQ Tools for Schools 
• EPA Smart Growth Program 
• EPA Heat Island Effect Program
• DOE Building Energy Codes Program
• Building Codes Assistance Project