Publications

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Document type: Reports and Studies
Publication Date: January 2007
Focus: Compliance
A study of U.S. architects, electrical engineers, lighting designers, and building contractors and their attitudes and compliance rates; sponsored by the Architectural Products Magazine and the Lighting Controls Association. The purpose of the study was to discover to what extent commercial energy codes are being implemented and enforced.
Document type: Reports and Studies
Publication Date: May 2011
Focus: Code Development
This report documents the progress indicator (PI) process and analysis that Pacific Northwest National Laboratory (PNNL) developed to evaluate the potential energy savings from the application of ASHRAE Standard 90.1-2010 to building design and construction compared to the application of ASHRAE Standard 90.1-2004. The report describes PNNL’s EnergyPlus simulation framework, and the building prototype simulation models. The combined upgrades from ASHRAE Standard 90.1 -2004 to ASHRAE Standard 90.1-2010 are described, and consist of a total of 153 approved addenda (44 addenda to ASHRAE Standard 90.1-2007 and 109 addenda to ASHRAE Standard 90.1-2010). PNNL reviewed and considered all 153 addenda for quantitative analysis in the PI process. Fifty-three of those addenda are included in the quantitative analysis. This report provides information on the categorization of all of the addenda, a summary of the content, and a more in-depth explanation of the impact and modeling of the 53...
Document type: Reports and Studies
Publication Date: December 2012
Focus: Adoption
The purpose of this study is to quantify the energy code adoption rate by local jurisdictions from a sample set of 21 states. Some of the states within this sample have statewide energy codes, while others do not. Using construction starts and weighting results by localities that have or have not adopted energy codes, the findings can suggest a means of identifying which states have “effectively” adopted state-wide codes through local adoption and enforcement.
Document type: Reports and Studies
Publication Date: May 2010
Focus: Adoption
The U.S. Department of Energy (DOE) has established ambitious goals to improve the energy efficiency requirements of the International Energy Conservation Code (IECC) for residential buildings. DOE has established near- and long-term goals of 30% and 50% energy efficiency improvements, respectively, compared to the 2006 IECC.This report presents DOE’s approach to calculating residential energy consumption for the purpose of estimating energy savings attributable to improvements in the code. This approach is then used to estimate the national average energy savings, relative to the 2006 IECC, resulting from the proposed improvements DOE submitted and supported for the 2012 IECC. DOE estimates a total reduction in energy use of 30.6% for the projected requirements of the 2012 IECC as compared to the 2006 IECC, assuming the use of the primary compliance option that involves standard-efficiency equipment. Were the high-equipment efficiency option used, the projected savings would...
Document type: Reports and Studies
Publication Date: July 2008
Focus: Adoption, Compliance
This report described the results of a two-year Northwest Energy Efficiency Alliance study intended to improve understanding of the new commercial building stock in the Pacific Northwest region. It provided a new regional baseline for practices in commercial buildings constructed between 2002 and 2004 and compared those practices with previous baseline and code compliance studies conducted from 1996 to 1998. The study also looked at changes in design professionals' attitudes toward energy efficiency across the same periods.
Document type: Other, Program Information, Reports and Studies
Publication Date: February 2010
Focus: Adoption, Code Development, Compliance
In order to provide a basic introduction to the varied and complex issues associated with building energy codes, the U.S. Department of Energy’s Building Energy Codes Program, with valued assistance from the International Codes Council and ASHRAE, has prepared Building Energy Codes 101: An Introduction. This guide is designed to speak to a broad audience with an interest in building energy efficiency, including state energy officials, architects, engineers, designers, and members of the public.
Document type: Reports and Studies
Publication Date: August 2007
Focus: Compliance, Enforcement
A study funded by the North American Insulation Manufacturers Association to identify "the best practices in energy code support, compliance, and enforcement, and...[to promote and replicate] those best practices in other municipalities across Arizona."
Document type: Reports and Studies
Publication Date: March 2014
Focus: Program
Commercial and residential buildings account for approximately 41% of all energy consumption and 72% of electricity usage in the United States. Building energy codes and standards set minimum requirements for energy-efficient design and construction for new and renovated buildings, assuring reductions in energy use and greenhouse gas emissions over the life of buildings. The U.S. Department of Energy (DOE), through the Building Energy Codes Program (BECP or the Program), supports the improvement of energy efficiency in buildings.BECP periodically assesses the impacts of its activities by estimating historical and projected energy savings, consumer savings, and avoided emissions. The Pacific Northwest National Laboratory (PNNL) conducted the codes benefits assessment in support of the BECP. Underlying the assessment is a series of calculations that estimate and compare energy savings under two scenarios: "with BECP" and "without BECP." The analysis covers the years 1992-2040 and...
Document type: Reports and Studies
Publication Date: September 2011
Focus: Adoption, Compliance
Conformity assessment is a term used to describe the processes followed to demonstrate that a product, service, management system, or body meets specified requirements, such as standards, codes, laws, regulations, or other criteria. With respect to energy codes, conformity assessment includes all activities and tasks undertaken by any number of entities to ensure that the provisions of an adopted energy code are achieved at a designated point in time. This report identifies and discusses conformity assessment activities and provides guidance for developing new or adjusting existing ways of verifying compliance. In addition, this report looks at different ways to ensure that the energy efficiency goals of an adopted code or standard are achieved.
Document type: Reports and Studies
Publication Date: May 2013
Focus: Adoption
The purpose of this analysis is to examine the cost-effectiveness of the 2010 edition of ANSI/ASHRAE/IES1 Standard 90.1. Standard 90.1 is the model energy standard for commercial and multi-family residential buildings over three floors (ECPA, Public Law 94-385). PNNL analyzed the cost-effectiveness of changes in Standard 90.1 from 90.1-2007 to 90.1-2010, as applied in the United States. During the development of new editions of Standard 90.1, the cost-effectiveness of individual changes (addenda) is often calculated to support the deliberations of Standard Standing Project Committee (SSPC) 90.1. The process does not include analysis of the cost-effectiveness of the entire package of addenda from one version of the standard to the next. Providing States with an analysis of cost-effectiveness may encourage more rapid adoption of newer editions of energy codes based on Standard 90.1. This information may also inform the development of future editions of Standard 90.1.
Document type: Reports and Studies
Publication Date: April 2009
Focus: Adoption, Code Development, Compliance
At the request of the U.S. Department of Energy, the Joint Global Change Research Institute has prepared a series of reports surveying building energy codes in seven of the Asia-Pacific Partnership on Clean Energy and Climate (APP) countries. These reports include country reports on building energy codes in each APP partner country and a comparative report based on the country reports.
Document type: Reports and Studies
Publication Date: September 2012
Focus: Code Development
The purpose of this analysis is to assess the relative energy and energy cost performance of commercial buildings designed to meet the requirements found in the commercial energy efficiency provisions of the International Energy Conservation Code (IECC). Section 304(b) of the Energy Conservation and Production Act (ECPA), as amended, requires the Secretary of Energy to make a determination each time a revised version of ASHRAE Standard 90.1 is published with respect to whether the revised standard would improve energy efficiency in commercial buildings. As many states have historically adopted the IECC for both residential and commercial buildings, PNNL has evaluated the impacts of the commercial provisions of the 2006, 2009, and 2012 editions of the IECC. PNNL also compared energy performance with corresponding editions of ANSI/ASHRAE/IES Standard 90.1 to help states and local jurisdictions make informed decisions regarding model code adoption.
Document type: Reports and Studies
Publication Date: July 2008
Focus: Compliance, Enforcement
This report was developed by Pennsylvania Housing Research Center (PHRC) in order to describe PHRC’s energy code technical assistance pilot program and to report the conclusions of the energy code enforcement and compliance study. The program focused on providing a technical assistance program and assessing “common energy enforcement and building practices” for several municipalities, COGs and third- party agencies that volunteered for the program.
Document type: Reports and Studies
Publication Date:
Focus: Adoption, Green and Advanced Codes
This study analyzes measured energy performance for 121 LEED New Construction (NC) buildings, providing a critical information link between intention and outcome for LEED projects. The results show that projects certified by the USGBC LEED program average substantial energy performance improvement over non-LEED building stock. This Executive Summary briefly summarizes key study findings. See the full report for further detail on study methodology and results.
Document type: Reports and Studies
Publication Date: August 2003
Focus: Adoption
A study prepared for E-Star Colorado, the Colorado Governor's Office of Energy Management and Conservation, and The Energy Foundation in order to analyze potential energy savings. The conclusion of the report recommends "adopting and enforcing up-to-date energy codes...and surpassing the energy performance specified by [these] codes."
Document type: Reports and Studies
Publication Date: March 2005
Focus: Compliance
This report assessed commercial building practices to the 2003 International Code Council International Energy Conservation Code (IECC). Plan review and field inspection of 55 new construction commercial buildings determined if the plans complied with the IECC, and if the building was built to the plans and code. Because an energy code had not previously been enforced, personnel were trained to conduct the onsite inspections and collect data on "typical" commercial construction. Compliance issues were identified and documented.
Document type: Compliance Tool, Reports and Studies
Publication Date: March 2010
Focus: Compliance
In this document, the U.S. Department of Energy's Building Energy Codes Program provides a detailed set of procedures that may help states as they engage in activities in support of code implementation and enforcement as well as measurement of the compliance rate associated with the codes and standards named in legislation, most notably those associated with measuring and reporting rates of compliance.
Document type: Compliance Tool, Reports and Studies
Publication Date: March 2010
Focus: Compliance
To supplement the Measuring State Energy Code Compliance report, this user-friendly action plan summarizes the main procedures, shows further options, and points to several ready-made resources and web-based tools U.S Department of Energy's Building Energy Codes Program is releasing to support the process.
Document type: Reports and Studies
Publication Date: April 2012
Focus: Code Development
The U.S. Department of Energy's (DOE’s) Building Energy Codes Program has developed and established a methodology for evaluating the energy and economic performance of residential energy codes. This methodology serves two primary purposes. First, as DOE participates in the consensus processes of the International Code Council, the methodology described herein will be used by DOE to ensure that its proposals are both energy efficient and cost effective. Second, when a new version of the International Energy Conservation Code is published, DOE will evaluate the new code as a whole to establish expected energy savings and cost effectiveness, which will help states and local jurisdictions interested in adopting the new codes. DOE’s measure of cost-effectiveness balances longer-term energy savings against additions to initial costs through a life-cycle cost perspective.
Document type: Reports and Studies
Publication Date:
Focus: Code Development
More than 200,000 homes are factory built in the United States each year to the federally preemptive Manufactured Housing Construction and Safety Standards, mandated by the U.S. Department of Housing and Urban Development (HUD). This paper analyzes national energy use and savings potential from improvements to thermal distribution system efficiency, thermal envelopes, and heating, ventilation and air conditioning (HVAC) equipment over what is currently required by HUD code. Estimated energy savings over current HUD code are provided for four cases: National Fire Protection Association Standard 501-2005, the 2006 International Energy Conservation Code, the U.S. Environmental Protection Agency’s ENERGY STAR manufactured housing guidelines , and Best Practice, based on the U.S. Department of Energy’s Building America Industrialized Housing Partnership program home built in the Pacific Northwest. Savings estimates are also provided from improved HVAC system efficiencies,...
Document type: Reports and Studies, State-specific
Publication Date: March 2000
Focus: Adoption
This study focuses on verifying that buildings are designed and built to comply with the energy code requirements. The goal of the recommended program is to collect sufficient information to describe construction characteristics and practices related to energy efficiency in new residential and non-residential construction in a representative sample of North Carolina city and county code jurisdictions.
Document type: Reports and Studies, State-specific
Publication Date: September 2013
Focus: Adoption
Are there advantages to states that adopt the most recent model building energy codes other than saving energy? For example, can the construction activity and energy savings associated with code-compliant housing units become significant sources of job creation for states if new building energy codes are adopted to cover residential construction? The U.S. Department of Energy (DOE) Building Energy Codes Program (BECP) asked Pacific Northwest National Laboratory (PNNL) to research and ascertain whether jobs would be created in individual states based on their adoption of model building energy codes.
Document type: Reports and Studies
Publication Date: June 2008
Focus: Compliance
This study looked at seven building measures in both the residential and nonresidential sectors to learn how closely actual building practices adhere to newly adopted codes. Data were collected by reviewing permits and conducting verification site visits for a sample of building projects throughout the state. Key findings from this study include quantitative estimates of noncompliance rates for the seven measures, as well as qualitative information about some unexpected complexities associated with data collection efforts around building practices, both at building departments (during permit review) and at building sites (during inspection).
Document type: Reports and Studies, State-specific
Publication Date: November 2013
Focus: Adoption
House Bill 202, which was passed during the 2013 Legislative Session, adopted a hybrid version of the 2006, 2009 and 2012 International Energy Conservation Code (IECC) in Utah (“Utah 2012”) for residential buildings and the complete 2012 IECC for commercial buildings. The Utah 2012 and IECC 2012 commercial provisions take effect after the Uniform Building Code Commission certifies in writing to the Utah Legislature that the U.S. Department of Energy (DOE) has adopted a version of REScheck software that can be used to verify compliance with the provisions in H.B. 202.
Document type: Reports and Studies
Publication Date: June 2009
Focus: Compliance
The objective of this report is to assess the compliance of newly-constructed single-family homes with the Vermont Residential Building Energy Standards (RBES). This analysis is part of a broader study of the single-family residential new construction market in Vermont.
Document type: Reports and Studies
Publication Date: February 2007
Focus: Compliance
The primary goal of this paper was to review existing energy code evaluation studies, and make recommendations for future work in this area. The secondary purpose is to address this existing body of literature as it relates to the quantification of the savings gap, defined as the energy savings foregone due to non-compliance with the energy code adopted in a state or local jurisdiction.
Document type: Reports and Studies
Publication Date: May 2004
Focus: Compliance
A study prepared for the Long Island Power Authority to analyze "new construction practices and market conditions from the summer and fall of 2003." The results of the study were used during the design of the Long Island Power Authority's New York ENERGY STAR Labeled Homes Program (NYESLHP).
Document type: Reports and Studies
Publication Date: January 2006
Focus: Compliance
A report conducted by the Southwest Energy Efficiency Project (SWEEP) that "reviews state and utility programs aimed at stimulating the construction of highly energy-efficient new homes in the states of Arizona, Colorado, Nevada, and Utah."
Document type: Reports and Studies
Publication Date: June 2004
Focus: Code Development
Energy-efficiency requirements were developed for manufactured homes, which are regulated by the U.S. Department of Housing and Urban Development (HUD). A life-cycle cost analysis from the homeowner's perspective was used to establish parameters for a least-cost home in a large number of cities. Economic, financial, and energy-efficiency measures for the life-cycle cost analysis were selected and documented. The resulting energy-efficiency levels were aggregated to zones that were expressed as a maximum overall home U-value (U0) requirement for the building envelope. The proposed revised standard's costs, benefits, and net value to the consumer were quantified.  This analysis updates a similar effort completed in 1992, which was the basis for the existing HUD code U0 requirement.  Updated U0s for manufactured homes are recommended.
Document type: Reports and Studies
Publication Date: March 2007
Focus: Compliance
A study prepared for the Northwest Energy Efficiency Alliance that "characterize ssingle-family residential new construction using a representative sample of buildings constructed in 2004 and 2005...The results will provide a baseline for ENERGY STAR® New Homes Northwest specifications."
Document type: Analysis, Reports and Studies
Publication Date: April 2012
Focus: Code Development
Pacific Northwest National Laboratory (PNNL) conducted a series of cost effectiveness analyses for the U.S. Department of Energy (DOE), covering the 2009 and 2012 editions of the International Energy Conservation Code (IECC) for new single and multifamily homes. The evaluations were performed against a 2006 IECC baseline, taking state-specific code amendments into consideration. These reports outline the results of these analyses, including a National Cost Analysis and Cost Analyses for selected states.
Document type: Reports and Studies
Publication Date: May 2007
Focus: Adoption, Compliance
The goal of the study was twofold: 1) to refine the original estimates made of noncompliance, initial market penetration, and naturally occurring market adoption rates by researching and analyzing the factors contributing to each parameter; and 2) to test the 2006 California Energy Efficiency Evaluation Protocols (Evaluation Protocols) as it applies to determining net savings resulting from Program activities.
Document type: Reports and Studies
Publication Date: April 2010
Focus: Compliance
This report explains Minnesota’s experience in demonstrating that it is possible to implement a code requiring tight construction, as long as provisions are included for ventilation and make up air to avoid the potential harmful effects of depressurization.