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HB 1180

updating the definition of the state building code to include the International Energy Conservation Code 2024.

2026 Regular Session

HB 1180 requires New Hampshire buildings to meet 2024 International Energy Conservation Code standards, improving efficiency but increasing construction costs.

Minority Committee Report: Ought to Pass
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WeVote Research Nonpartisan
Bill Summary · HB 1180

Legislative bill overview

HB 1180 updates New Hampshire's state building code definition to incorporate the International Energy Conservation Code (IECC) 2024 standards. This means new and renovated buildings would need to meet the latest energy efficiency requirements established in the 2024 IECC, replacing or updating whatever energy code provisions currently exist in state law.

Why is this important

Building codes directly affect construction costs, energy consumption, and long-term utility expenses for homeowners and businesses. Adopting the 2024 IECC would establish stricter energy efficiency standards—potentially reducing heating/cooling costs and carbon emissions—but would also increase initial construction expenses and may affect affordability in the housing market.

Potential points of contention

  • Construction cost impact: Stricter energy codes typically increase building costs, which could be passed to consumers and affect housing affordability and competitiveness with neighboring states
  • Compliance burden: Small contractors and builders may face costs to understand and implement new standards, particularly in rural areas with limited technical support
  • Economic competitiveness: Stricter requirements than neighboring states could disadvantage New Hampshire builders or redirect development to jurisdictions with less stringent codes

Compiled from official sources — confirm details with the bill’s official record.

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