1/23/2024 0 Comments Ashrae 90.1 pdf 2010 appendix g![]() ![]() ![]() Many of the methods used in the 2022 version to obtain these savings can be applied to the edition of the code currently used by your rating authority to show energy savings beyond your current code. It is estimated that this standard will reduce energy cost by over 15% when compared to the 2019 version and over 48% compared to buildings built in compliance with the 2004 version. It still has the prescriptive requirements with 89 addenda, 39 of which have direct energy impact. Even the Purpose has changed to include sites. The Standard is a departure from business as usual. Appendix G also added Appendix J with performance curves to be used for part load equipment performance. The 2022 edition also includes a new informative appendix that can be used with Appendix G if a rating authority wants to use metrics other than energy cost, such as carbon. This offers a whole new path to compliance using a system approach not prescribed efficiency. The mechanical section introduces the Total System Performance Ratio (TSPR) as an alternate path for compliance. These additional requirements are above the prescriptive requirements but contain many options for compliance that demonstrate a possible path to net zero buildings. This edition adds a new section, Chapter 11 Additional Efficiency Requirements. The 2022 version of 90.1 begins the Standard’s move to become a Net Zero Carbon Emission Code by 2031. Starting the Path to Net Zero Buildings Using ASHRAE 90.1–2022 Course Length: 3 hours ![]()
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