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ASHRAE Standard 209-2024

Building Performance Simulation Process (ANSI Approved; IBPSA Co-Sponsored)
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ASHRAE Standard 209-2024

Building Performance Simulation Process (ANSI Approved; IBPSA Co-Sponsored)

PAGES 60
ASHRAE Standard 209-2024

Standard 209 describes a methodology to apply building energy modeling to the design. The standard was created to define reliable and consistent procedures that advance the use of timely energy modeling to quantify the impact of design decisions at the point in time at which they are being made.

The standard defines general modeling requirements coupled with eleven modeling cycles, each with specific modeling goals that align with distinct phases of the design, construction, or operation process. Each modeling cycle is an extension of the general modeling requirements, which represents a best-practices approach for using modeling to inform design.

The 2024 edition of the standard includes allows for greater inclusion of qualified modelers; revises terminology and expands the title, purpose, and scope; adds new informative appendices for predictive energy modeling, guidance in design, future climate analysis, and level of detail for model inputs; revises several Modeling Cycles; and updates general requirements.

SDO ASHRAE: American Society of Heating, Refrigerating, and Air Conditioning Engineers
Document Number Standard 209
Publication Date Not Available
Language en - English
Page Count 60
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
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