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ASHRAE Standard 90.1 Performance Rating Method (Appendix G) Building Performance Factor Calculation Tool

Document Type: Other
Publication Date:

This calculator can be used to develop a custom set of Building Performance Factors (BPFs) for use with the Performance Rating Method of ASHRAE Standard 90.1-2016 though 2022 when approved by the Authority Having Jurisdiction or Rating Authority. BPFs are calculated using metrics of energy cost, site energy, source energy, and greenhouse gas emissions following  the approach described in ASHRAE Standard 90.1-2022 Informative Appendix I. The BPF values published in ASHRAE Standard 90.1 use energy cost, source energy and GHG emissions factors that are based on representative national average values. Jurisdictions can use this tool to better align BPF values with local values. Where a jurisdiction requires the use of hourly or other time of use data to calculate energy costs, emissions or source energy, calculate and enter values representing the annual blended or annual average values.

In addition to calculating BPFs analogous to those published in the various editions of the standard, the tool also calculates alternative BPFs using an updated approach described in he PNNL Technical Support Document titled, "​Commercial Building Prototypes Based on ANSI/ASHRAE/IES Standard 90.1-2019 Appendix G PRM". The intent is that a jurisdiction or rating authority may choose to adopt BPFs using the updated approach, as the authors believe these to be more technically sound.

Commercial Building Prototypes Based on ANSI/ASHRAE/IES Standard 90.1-2019 Appendix G PRM

Document Number: PNNL-32815
Document Type: Technical Support Document
Publication Date:

This report (1) provides an overview of the Appendix G PRM and documents the use of Pacific Northwest National Laboratory and U.S. Department of Energy commercial building prototypes to support the development of the Appendix G Performance Rating Method performance targets; (2) documents the historical development of building performance factors calculated using those models; (3) describes an updated approach to calculating building performance factors, which will lead to a more accurate assessment of the energy performance a proposed building design, (4) presents an updated set of building performance factors using the new approach for Standards 90.1-2019 and 90.1-2016 as well as proposed building performance factors for the 2022 Standard; (5) describes a methodology for creating building performance factors for metrics other than cost, such as source energy and carbon emissions.

Florida Certification of Commercial Building Energy Codes - 90.1-2019

Document Type: State Certification
Publication Date:

NECC 2024 COMcheck Basics Presentation

Document Type: Presentation Slides
Publication Date:

Technical Support Document to Facilitate Adoption of ASHRAE Standard 90.1 Performance Rating Method

Document Number: PNNL-35248
Document Type: Technical Support Document
Publication Date:

This report describes solutions to the common PRM adoption challenges, including calculating energy savings by fuel type and electricity demand savings relative to current code and avoiding “fuel switching” when reporting savings of the proposed design relative to the current code. The calculations described in this technical support document are automated in the ASHRAE Standard 90.1 Performance Based Compliance Form and the Compliance Form Companion Tool

What You Need to Know About ASHRAE 90.1-2022

Document Type: Presentation Slides
Publication Date:

November 16, 2023 - Building Energy Codes Webinar Series: What You Need to Know About the New Energy Standard for Commercial Buildings: ASHRAE 90.1-2022 presentation.

Minnesota State Certification for ASHRAE 90.1-2019 and 2021 IECC

Document Type: State Certification
Publication Date:

This letter certifies that Minnesota has reviewed the provisions of its residential building code regarding energy efficiency and made a determination as to whether it is appropriate for Minnesota to revise its residential energy code. The letter further certifies that Minnesota has reviewed and updated the provisions of its commercial energy code.

Commercial IECC Building Models 2015 IECC - All Building Types

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models Complete Set - Large Hotel

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC Building Models 2021 IECC - All Building Types

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models Complete Set - Warehouse (non-refrigerated)

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC Building Models 2018 IECC - All Building Types

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2022 - Warehouse (non-refrigerated)

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2019 - Warehouse (non-refrigerated)

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC Building Models 2015 IECC - All Building Types

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2016 - Warehouse (non-refrigerated)

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2013 - Warehouse (non-refrigerated)

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC Building Models 2012 IECC - All Building Types

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2022 - All Building Types

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2019 - All Building Types

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2016 - All Building Types

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models 90.1-2013 - All Building Types

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for recent editions of ASHRAE Standards 90.1. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC All Building Types Complete Set

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

90.1 Prototype Building Models Scorecard - All Building Types

Document Type: Model Data
Publication Date:

The ASHRAE Standard 90.1 prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. This suite of ASHRAE Standard 90.1 prototype buildings covers all the Reference Building types except supermarket, and also adds a new building prototype representing high-rise apartment buildings.The prototype models include 16 building types in 17 climate locations for ASHRAE Standards 90.1-2004, 90.1-2007,  90.1-2010, 90.1-2013, and 90.1-2016. This combination leads to a set of 1360 building models (in EnergyPlus Version 8.0). Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.

Commercial IECC Building Models 2021 IECC - High-rise Apartment

Document Type: Model Data
Publication Date:

The commercial IECC prototype building models were developed by Pacific Northwest National Laboratory in support of the U.S. Department of Energy's (DOE's) Building Energy Codes Program. These prototype buildings were derived from DOE's Commercial Reference Building Models. The prototype models include 16 building types in 19 climate locations for for recent editions of the IECC. Also included is a scorecard for each prototype building. The scorecard is a spreadsheet that summarizes the building descriptions, thermal zone internal loads, schedules and other key modeling input information.