Guidance on new compliance path for 90.1-2016 standard available from ASHRAE
February 9, 2016 - A newly published document from ASHRAE and the Illuminating Engineering Society (IES) gives energy efficiency standard users immediate access to an optional third path for compliance.
Standard 90.1-2013 Appendix G: Performance Rating Method is an excerpt from ANSI/ASHRAE/IES Standard 90.1 (I-P), Energy Standard for Buildings Except Low-Rise Residential Buildings. The document gives users immediate access to selected addenda slated to be published in the 2016 version of the standard. The majority of the document is comprised of addendum bm, which allows Appendix G to be used as a compliance path within the standard.
“This document is being provided at the request of users,” Drake Erbe, chair of the Standard 90.1 committee, said. “This is the first time ASHRAE and IES have made available an interim clean publication of a portion of Standard 90.1, and we are doing so now because users have expressed a critical need for this guidance. Several entities have expressed interest in developing programs based on the revised appendix. This release also gives advanced notice to software developers that may be interested in automating the process of creating the Appendix G baseline.”
Erbe notes that the guidance in addendum bm had two significant impacts on Appendix G.
“Previously Appendix G was used only to rate ‘beyond code’ performance of buildings but could not be used to demonstrate compliance with the base 90.1 standard,” he said. “Now the standard provides that compliance path and gives 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.”
The cost of Standard 90.1-2013 Appendix G: Performance Rating Method–Excerpt from ANSI/ASHRAE/IES Standard 90.1-2013 (I-P) is $41 ($35, IES members).
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