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Energy and Energy Cost Savings Analysis of the 2021 IECC for Commercial Buildings

Document Number: PNNL-32816
Document Type: Analysis
Publication Date:

This report provides an assessment as to whether new buildings constructed to the commercial energy efficiency provisions of the 2021 IECC would save energy and energy costs as compared to the 2018 IECC. The Commercial Energy Efficiency chapter in the 2021 IECC allows users to either follow the provisions in the IECC or use Standard 90.1-2019 as an alternative compliance path. As such, PNNL also compared the energy performance of the 2021 IECC with the corresponding Standard 90.1-2019 to help states and local jurisdictions make informed decisions regarding model code adoption.

Energy Savings Analysis: 2021 IECC for Residential Buildings

Document Number: PNNL-31440
Document Type: Analysis
Publication Date:

The most recent edition, the 2021 IECC, was published on January 29, 2021, triggering the DOE review and determination process. DOE and Pacific Northwest National Laboratory (PNNL) conducted a technical analysis to determine energy savings for the 2021 IECC residential provisions relative to the previous edition, the 2018 IECC (ICC 2017). This report documents the methodology used to conduct the analysis and summarizes the results.

Cost-effectiveness Analysis of 2021 IECC - Wyoming

Document Number: PNNL-31631
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Wisconsin

Document Number: PNNL-31630
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - West Virginia

Document Number: PNNL-31629
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - District of Columbia

Document Number: PNNL-31590
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Virginia

Document Number: PNNL-31627
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Vermont

Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Utah

Document Number: PNNL-31626
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Texas

Document Number: PNNL-31625
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Tennessee

Document Number: PNNL-31624
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - South Dakota

Document Number: PNNL-31623
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - South Carolina

Document Number: PNNL-31622
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Rhode Island

Document Number: PNNL-31621
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Pennsylvania

Document Number: PNNL-31620
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Oregon

Document Number: PNNL-31619
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Oklahoma

Document Number: PNNL-31618
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Ohio

Document Number: PNNL-31617
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - North Dakota

Document Number: PNNL-31616
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - New York

Document Number: PNNL-31614
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - New Mexico

Document Number: PNNL-31613
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - New Jersey

Document Number: PNNL-31612
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - New Hampshire

Document Number: PNNL-31611
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Nevada

Document Number: PNNL-31610
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Cost-effectiveness Analysis of 2021 IECC - Nebraska

Document Number: PNNL-31609
Document Type: Analysis, Cost-effectiveness
Publication Date:

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.