2026-05-04 Updating and Improving the Methodology for Assessing Affordability and Cost Effectiveness of Building Energy Codes; Request for information
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- Title
- 2026-05-04 Updating and Improving the Methodology for Assessing Affordability and Cost Effectiveness of Building Energy Codes; Request for information
Building energy codes have significantly increased the costs of building a home and extended average consumer payback periods. The U.S. Department of Energy (DOE) has prioritized affordability in housing and new construction across the U.S., including taking swift action via building codes to lower construction costs and deliver greater value to American households and businesses. As part of this effort, DOE is seeking input on its methodology for assessing consumer impacts associated with residential and commercial building energy codes, toward the objective of ensuring transparency in building energy code evaluations. As directed by statute, DOE conducts technical analysis to quantify consumer cost increases associated with building energy codes, as well as the related savings. DOE requests feedback on its analysis methodology, data sources, and assumptions. In addition, DOE welcomes a critical examination of how to broadly reduce the cost of new construction and reduce regulatory burden to improve housing affordability and consumer choice.
- Posted
- May 4, 2026
- Comment period
- May 4, 2026 – Aug 4, 2026
- FR Doc
- 2026-08646
Overview
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| Organization | Building energy code affordability | Antitrust concerns | Conflict of interest | Digital verification systems | Total cost of ownership |
|---|---|---|---|---|---|
83 Ordinal BusinessSupport 83 Ordinal LLC, an engineering and agritech-focused organization, supports the DOE's effort to improve transparency and | · | · | · | · | |
Legacy Roots Housing Initiative LLC & LRIG BusinessSupport Legacy Roots Housing Initiative LLC (LRHI), a modular housing developer, supports the DOE's efforts to prioritize housin | · | · | · | · | |
North American Insulation Manufacturers Association (NAIMA) Trade associationSupport The North American Insulation Manufacturers Association (NAIMA) supports the DOE's efforts to improve building energy co | · | · | · | ||
Persistence Analytics Group LLC BusinessSupport Persistence Analytics Group LLC supports the DOE's initiative to improve the methodology for assessing building energy c | · | · | · | · | |
TeraSun IP Holding, LLC and TeraSun Systems, LLC BusinessSupport Kenneth R. | · | · | · | · | |
Tiny House Alliance USA AdvocacySupport The Tiny House Alliance USA, represented by its president, requests that the DOE and DOJ investigate the "ICC-RESNET Int | · | · | · |
1 organization-typed comment could not be identified.
Explorer
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- Jul 23, 2026Tiny House Alliance USASupportAdvocacy📎 Attachment
Janet Thome, President of Tiny House Alliance USA, supports the DOE's action to improve methodology for assessing building energy code costs. She argues that current codes and the interlocking relationships between organizations like the ICC, NIBS, and RESNET create a "closed compliance marketplace" that drives up construction costs and excludes affordable housing options like tiny homes.
Read comment → - Jul 17, 2026Tiny House Alliance USASupportAdvocacy📎 Attachment
Janet Thome, representing the Tiny House Alliance USA, expresses concerns regarding corruption and market dominance by the International Code Council (ICC) and HUD. She supports the DOE's objective of reducing regulatory burden and costs in new construction, specifically highlighting the need to investigate the influence of the ICC on housing policy.
Read comment → - Jul 4, 2026Tiny House Alliance USASupportAdvocacy📎 Attachment
The Tiny House Alliance USA, represented by its president, requests that the DOE and DOJ investigate the "ICC-RESNET Interlocked Building Energy Requirements Ecosystem" for antitrust concerns. The commenter argues that this interconnected relationship between the International Code Council and the Residential Energy Services Network creates barriers to market entry, suppresses competition, and increases construction costs for consumers.
Read comment → - Jul 1, 2026Tiny House Alliance usaOtherAdvocacy📎 Attachment
Janet Thome, representing the Tiny House Alliance USA, provides a detailed technical argument regarding federal preemption and the classification of tiny houses on wheels. The comment focuses on the interplay between HUD, NHTSA, and ICC standards rather than directly addressing the DOE's methodology for assessing building energy code affordability.
Read comment → - Jun 28, 2026Tiny House Alliance USASupportAdvocacy
Janet Thome, President of Tiny House Alliance USA, argues that tiny houses on wheels are a viable, low-energy housing solution that is currently suppressed by building codes and manufacturers. She advocates for code changes that would allow these homes to be regulated and financed more easily to improve housing affordability and provide alternatives to nursing homes.
Read comment → - Jun 27, 2026Tiny House Alliance USASupportAdvocacy
Janet Thome, President of the Tiny House Alliance USA, supports the DOE's effort to improve its methodology for assessing building energy code affordability. She specifically advocates for including smaller housing types, such as tiny houses and ADUs, in the DOE's prototype models to ensure a more accurate representation of the current housing market.
Read comment → - Jun 27, 2026Tiny House Alliance USASupportAdvocacy
Janet Thome, President of the Tiny House Alliance USA, advocates for the Department of Energy to adopt a whole-building performance approach for assessing tiny houses. She argues that this method is more appropriate than prescriptive component requirements because it accounts for the unique design of small homes, encourages innovation, and preserves affordability.
Read comment → - Jul 3, 2026STEVEN LEFLERSupportIndividual📎 Attachment
The commenter advocates for the use of tiny houses and factory-built housing as viable, energy-efficient, and affordable alternatives to traditional site-built construction. They argue that these models can address housing shortages for low-income individuals and provide a more efficient building process with lower costs and reduced regulatory burdens.
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