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Louisville ASHRAE - ASHRAE News


Additional Compliance Path Proposed for ASHRAE/IES Energy Standard
Friday October 19, 2012


ATLANTA – A proposed optional third path for compliance with the ASHRAE/IES energy standard would provide more flexibility for the industry.
 
Addendum bm to ANSI/ASHRAE/IES (Illuminating Engineering Society) Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings, is currently open for public review from Oct. 12 until Nov. 26, 2012. For more information, visit www.ashrae.org/publicreviews.
 
The proposed addendum would add a compliance path to Standard 90.1 to allow modeling in accordance with Appendix G (Performance Rating Method), provided the percentage improvement of at least 45 percent over a baseline design. In addition, this addendum proposes to make the baseline consistent with the prescriptive requirements of 90.1-2004, and it will remain that way in future versions of the standard.
 
The current paths in the standard – the Energy Cost Budget method and the Performance Rating Method – can lead to different modeling protocols for different functions, according to Michael Rosenberg, a member of the Standard 90.1 committee.  All require slightly different rules, and a single project could require two or more different baselines.
 
“By allowing an additional compliance option, the standard provides more credit for integrated design resulting in energy savings such as efficient use of building mass, optimized building orientation, efficient HVAC&R system selection and right sizing of HVAC&R equipment,” Rosenberg said.
 
The baseline could stay the same for beyond code programs as well such as the U.S. Green Building Council’s (USGBC) Leadership in Energy and Environmental Design (LEED®) rating program, ANSI/ASHRAE/USGBC/IES Standard 189.1, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings, and the federal tax incentive programs. Each simply chooses their own “% better than” target, according to Rosenberg.
 
“In addition, the performance path will no longer lag behind the prescriptive path as in the past it was not possible to incorporate prescriptive changes that occurred near publication date into the performance path ,” he said. “It also allows for a deliberate and consistent trend for energy reduction in each version of the standard, instead of just following the prescriptive path.
 
ASHRAE, founded in 1894, is a building technology society with more than 50,000 members worldwide. The Society and its members focus on building systems, energy efficiency, indoor air quality, refrigeration and sustainability within the industry. Through research, standards writing, publishing and continuing education, ASHRAE shapes tomorrow’s built environment today.

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May Meeting Time Change
   
 
*** Time Change Notice ***

May Louisville ASHRAE Meeting

Tuesday May 14, 2019
12:00 PM - 1:30 PM
at the The Blankenbaker
2713 Blankenbaker Rd, Louisville, KY 40299
theblankenbaker.com
 
Joint meeting with Evansville, IN Chapter

Topic :: 
Applied Psychrometrics
With a Focus on Design-Build Industrial Applications
(An ASHRAE Distinguished Lecturer (DL) Sponsored Presentation)
 


Speaker :: Doug Zentz

 Incoming Region V Director & Chair
Associate Professor – HVACR Program Coordinator
School of Built Environment
College of Engineering Technology
Ferris State University

More information and Registration Info
 

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