DOE Final Determination: 2018 IECC Increases Energy Efficiency

Originally published by: U.S. Department of EnergyDecember 13, 2019

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Energy.gov the Office of Energy Efficiency and Renewable Energy

The U.S. Department of Energy (DOE) has published a final determination of energy savings for the 2018 International Energy Conservation Code (IECC), affirming that the updated code will increase energy efficiency in residential buildings. DOE analysis indicates that buildings meeting the 2018 IECC (as compared to the previous 2015 edition) would result in national energy savings of approximately:

  • 1.97% energy cost
  • 1.91% source energy
  • 1.68% site energy

DOE is required to issue its determination following the publication of an updated edition of the IECC. More information, including supplemental energy and cost savings analysis, is available via the DOE Building Energy Codes Program.

 

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