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Oregon Residential Energy Code Field Study [PDF]

Document Number(s)
PNNL-30006
Document Type(s)
Field Study
Reports and Studies
State-specific
Publication Date
Document Abstract

A research project in the state of Oregon identified opportunities to reduce homeowner utility bills in residential single-family new construction by increasing compliance with the state energy code. The study was initiated in November 2019; data collection began in November 2019 and continued through February 2020. Analysis of the data has led to a better understanding of the energy features present in homes and identified over $600,000 in potential annual savings to Oregon homeowners that could result from increased compliance with the 2017 Oregon Residential Specialty Code (2017 ORSC).

Oregon Residential Model Code Certification 2021 IECC [PDF]

Document Type(s)
State Certification
Publication Date
Document Abstract

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. 

Pennsylvania Residential Energy Code Field Study [PDF]

Document Number(s)
PNNL-26450
Document Type(s)
Field Study
Reports and Studies
State-specific
Publication Date
Document Abstract

A research project in the Commonwealth of Pennsylvania identified opportunities to reduce homeowner utility bills in residential single-family new construction by increasing compliance with the state energy code. The study was initiated in October 2014 and continued through July 2015. During this period, research teams visited 171 homes during various stages of construction, resulting in a substantial data set based on observations made directly in the field.

Pennsylvania Residential Energy Code Field Study - Phase III [PDF]

Document Number(s)
PNNL-32635
Document Type(s)
Field Study
Publication Date
Document Abstract

The purpose of this report is to document findings and final results from the Pennsylvania field study, including a summary of key trends observed in the field, their impact on energy efficiency, and whether the selected education and training activities resulted in a measurable change in statewide energy use.

Phase I Field Study Data [XLSX]

Document Type(s)
Field Study
Publication Date
Document Abstract

The data (in this file or on this page) represents the data collected as DOE’s Residential Field Study[1] as of June 2016.  Data is provided Microsoft Excel for 8 states – AL, KY, MD, NC, PA, TX, AR and GA.  Additional states using DOE’s field study methodology, may be added in the future as data collection and analysis is completed.  

This data file was reformatted and revised May 28, 2019, and again July 17, 2019.

Preliminary Energy Savings Analysis: 2018 IECC Residential Requirements [PDF]

Document Number(s)
DOE/EE-1972
Document Type(s)
Analysis
Determination
Technical Support Document
Publication Date
Document Abstract

The most recent edition, the 2018 IECC, was published in August 2017, triggering the DOE review and determination process. In response, DOE and Pacific Northwest National Laboratory (PNNL) conducted a preliminary analysis to determine energy savings for the 2018 IECC residential provisions relative to the previous edition--the 2015 IECC. This report documents the methodology used to conduct the analysis and summarizes the results and findings.

Preliminary Energy Savings Analysis: 2021 IECC for Residential Buildings [PDF]

Document Number(s)
PNNL-31018
Document Type(s)
Analysis
Determination
Technical Support Document
Publication Date
Document Abstract

The most recent edition, the 2021 IECC, was published on January 29, 2021, triggering the DOE review and determination process2. 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.

Preliminary Energy Savings Analysis: ANSI/ASHRAE/IES Standard 90.1-2019 [PDF]

Document Number(s)
DOE/EE-2345
Document Type(s)
Analysis
Determination
Technical Support Document
Publication Date
Document Abstract

To meet the statutory requirement, DOE conducted an analysis to quantify the expected energy savings associated with Standard 90.1-2019. This report documents the methodology used to conduct the analysis. Based on the analysis, DOE has preliminarily determined that the 2019 edition of the ANSI/ASHRAE/IES Standard 90.1 would improve overall energy efficiency in buildings subject to the code (compared to the 2016 edition of Standard 90.1).

Quantitative and Economic Analysis of the 2020 Florida Building Energy Code [PDF]

Document Number(s)
FSEC-CR-2089-20
Document Type(s)
State-specific
Publication Date
Document Abstract

This project was initiated because of the state of Florida desire to review provisions of its proposed 7th Edition (2020) Florida Energy Code (FEC) for commercial buildings in order to make a determination if it meets or performs better than ASHRAE 90.1-2016 code. For this purpose the proposed code modifications were reviewed and quantitatively analyzed.

Realizing Demand Flexibility with Commercial Building Energy Codes [PDF]

Document Number(s)
PNNL-29604
Document Type(s)
Reports and Studies
Publication Date
Document Abstract

This report considers the role of commercial building energy codes in enabling grid-interactive efficient buildings (GEBs). Specifically, it highlights the status of demand flexibility (DF) measures in ASHRAE Standard 90.1. It examines the model code-development process and identifies components preventing the consideration and inclusion of DF measures, including code scope, characterization and analysis of proposed new prescriptive measures, and the time-of-day and geographic differences in their benefits.

REC RFI Workshop Presentation Slides [PDF]

Document Type(s)
Presentation Slides
Publication Date
Document Abstract

Presentation Slides from the April 27, 2022 Resilient and Efficient Codes Implementation (RECI) RFI Public Workshop.

Recommended Minimum Qualifications of Energy Modelers Completing ASHARE Standard 90.1 Energy Simulations [PDF]

Document Type(s)
Compliance Tool
Other
Publication Date
Document Abstract

The Energy Modeler is a professional responsible for performing energy modeling and facilitating completion of the DOE/PNNL ASHRAE Standard 90.1 Performance Based Compliance Form on projects following ASHRAE Standard 90.1 Section 11 and Appendix G. This document outlines the Energy Modeler responsibilities.

Recommended Minimum Qualifications of Submittal Reviewer for ASHRAE Standard 90.1 Performance-based Compliance [PDF]

Document Type(s)
Compliance Tool
Other
Publication Date
Document Abstract

The Submittal Reviewer is a professional responsible for reviewing the compliance documentation on behalf of the authority having jurisdiction or rating authority for projects following ASHRAE Standard 90.1 Section 11 and Appendix G. This document outlines the Submittal Reviewer responsibilities.

REScheck Technical Support Document [PDF]

Document Number(s)
PNNL- 28584
Document Type(s)
Technical Support Document
Publication Date
Document Abstract

This report explains the methodology used to develop version 4.6.5 of the REScheck software in order to support compliance determination for IECC editions 2009, 2012, 2015, and 2018.