Code Dread: Keeping up with ASHRAE and LEED | U.S. Green Building Council
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Code Dread: Keeping up with ASHRAE and LEED

GBCI: 0910000131

Session at DesignColumbus 2014.
Eligible for 1 CE HOUR.
  • 1 CE


Rating system: v4



Design firms will be in the best position to meet their clients’ needs by understanding and preparing for ASHRAE 90.1-2010 and LEED v4, both of which have expanded from their earlier versions and will have major impacts on buildings in the very near future. This presentation will illustrate the effect of these changes by applying the new standards to an existing LEED Silver-certified project constructed in 2008 by KJWW Engineering Consultants using ASHRAE 90.1-2004. First, a new baseline using the ASHRAE 90.1-2007 standard will be applied to the project, which is the requirement under LEED v2009.

Next, a baseline for the project using ASHRAE 90.1-2010 will be applied to the project, which represents the requirements under LEED v4. Both comparisons will show the decrease in energy savings, points awarded, and strategies and cost required to bring the project back to the original energy savings and the LEED certification it might attain. The project’s real-life, existing energy performance will be presented as an overlay to all of the comparisons.


  1. Participants will be able to identify the major changes in ASHRAE 90.1-2010 and why it is important to begin preparing clients for these changes now.
  2. Participants will be able to describe the changes made in ASHRAE 90.1 over the years making for more stringent requirements and an increased need for creative and innovative solutions.
  3. Participants will be able to discuss how a LEED-certified building under one version of the standard would not necessarily be certified under a newer version -- and changes required to maintain the projected energy savings.
  4. Participants will be able to identify how energy modeling can help design firms plan for and reach a project’s energy savings goal with respect to ASHRAE 90.1-2010 and LEED v4.
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Created by

Columbus, OH
United States


Russell Birch

Moore Engineers PC