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ANSI/ASHRAE/IES Standard 90.1-2019 Performance Rating Method Reference Manual
This document is intended to be a reference manual for the Appendix G Performance Rating Method (PRM) of ANSI/ASHRAE/IES Standard 90.1-2019 (Standard 90.1-2019).
Impacts of Model Building Energy Codes
The Department of Energy (DOE) Building Energy Codes Program (BECP) periodically evaluates national and state-level impacts associated with energy codes in residential and commercial buildings. Pacific Northwest National Laboratory (PNNL), funded by DOE, conducted an assessment of the prospective impacts of national model building energy codes from 2010 through 2040.
Technical Support Document to Facilitate Adoption of ASHRAE Standard 90.1 Performance Rating Method
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
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.
Cost-Effectiveness Analysis of the 2021 IECC for the State of Michigan
The State of Michigan is in the process of updating its current state residential energy code, which is an amended version of the 2015 International Energy Conservation Code (IECC) to the 2021 IECC. The Michigan Bureau of Construction Codes, a bureau within Licensing and Regulatory Affairs (LARA), requested a cost-effectiveness analysis, that considers the Michigan Stille-Derossett-Hale Single State Construction Code Act,1 comparing the current state residential energy code to the unamended 2021 IECC.
The resulting analysis shows that a home designed to comply with the residential provisions of the 2021 IECC would yield short-term and long-term consumer benefits compared to a home built to the Michigan-amended 2015 IECC.
New York Certification and Extension: ASHRAE 90.1-2019 and 2021 IECC
This is to certify that the State of New York intends to adopt an updated version of the State Energy Conservation Construction Code (the “NYS Energy Code”) and the State of New York is seeking an extension from the Secretary pursuant to 42 U.S.C. §6833(c) in light of the fact that the State has made a good faith effort to comply with such requirements and has made significant progress in doing so. The updated version of the NYS Energy Code is anticipated to become effective in 2025.
With regard to commercial buildings, the Department of State has reviewed the provisions of the State’s commercial building code regarding energy efficiency and seeks an extension of time to update the NYS Energy Code’s provisions to meet or exceed the requirements of ASHRAE 90.1-2019 for eighteen (18) months or until January 28, 2025.
Oregon Residential Model Code Certification 2021 IECC
This letter hereby to certifies that the State of Oregon has adopted the 2023 Oregon Residential Specialty Code (ORSC with energy efficiency provisions exceeding those of the 2021 International Energy Conservation Code ( I C C ) for low-rise residential buildings.
Minnesota State Certification for ASHRAE 90.1-2019 and 2021 IECC
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
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.
EnergyPlus Residential TMY3 Weather Data file - 4C Seattle
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 5C Port Angeles
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Manufactured Housing TMY3 Weather Data file - 3B El Paso
EnergyPlus TMY3 weather file for climate location associated with the Manufactured Housing Prototype Building Models.
90.1 Prototype Building Models Complete Set - Large Hotel
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.
EnergyPlus Residential TMY3 Weather Data file - 4A New York
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 5A Buffalo
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 4B Albuquerque
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 6B Great Falls
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 6A Rochester
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 7 International Falls
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Manufactured Housing TMY3 Weather Data file - 3A Atlanta
EnergyPlus TMY3 weather file for climate location associated with the Manufactured Housing Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 2A Tampa
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Manufactured Housing TMY3 Weather Data file - 1A Miami
EnergyPlus TMY3 weather file for climate location associated with the Manufactured Housing Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 5B Denver
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 3C San Diego
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.
EnergyPlus Residential TMY3 Weather Data file - 2B Tuscon
EnergyPlus TMY3 weather file for climate location associated with the IECC Prototype Building Models.