How Much Do Energy Codes Save?

The U.S. Department of Energy (DOE) Building Energy Codes Program has evaluated the impacts of model energy codes for residential and commercial buildings. The most recent assessment focuses on the current model codes, and their prospective national and state-level impacts.  Read the report.

Building energy codes represent a significant savings opportunity for U.S. home and business owners. Model energy codes for residential and commercial buildings are projected to save (cumulative 2010-2040):

  • $126 billion in energy cost savings
  • 841 MMT of avoided CO2 emissions
  • 12.82 quads of primary energy

The report is currently in public draft form. Interested parties are invited to provide feedback on the report. Please submit any comments to