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Building Energy Codes Program

75% of U.S. buildings will be new or renovated by 2035. Building codes will ensure they use energy wisely.

75% of U.S. buildings will be new or renovated by 2035. Building codes will ensure they use energy wisely.

The Building Technologies Office (BTO) supports greater adoption of residential and commercial building energy codes through collaborative efforts with local governments and industry groups, and by providing key tools and assistance for code development, adoption, and implementation. Through advancing building codes, we aim to improve building energy efficiency by 50%, and to help states achieve 90% compliance with their energy codes.

Energy Codes Ensure Efficiency in Buildings

We offer guidance and technical resources to policy makers, compliance verification professionals, architects, engineers, contractors, and other stakeholders who depend on building energy codes.

Tools and Resources Support Code Users