U.S. primary energy consumption by source and sector, 2018. Note: Energy Consumption for combined commercial and residential sectors is 39% of Total Energy Consumption when electrical system energy losses are included.[1]
United States building energy codes are a subset of building codes that set minimum requirements for energy-efficient design and construction for new and renovated buildings.[2] The intent of these energy codes is to moderate and reduce energy use and emissions throughout the lifetime of a building.[2] Energy code provisions may include various aspects of building design and construction, such as: HVAC systems, building envelope, electrical, and lighting systems.[3] There are building energy codes for both commercial and residential buildings.[4] However, just as the United States does not have a national building code, it also does not have a national building energy code; rather, state, and local governments choose to adopt—and potentially revise—national model energy codes and standards.[5][6][7] Consequently, building energy codes, and building codes in general, vary between states and jurisdictions.[2][6][8][9]
Commercial and residential buildings, combined, account for 39% of total U.S. energy consumption and about 75% of total U.S. electricity use.[1][10][11] As such, by setting the minimum energy-efficiency requirements for building design and construction, energy codes have the capacity to increase cost-savings, advance energy independence, reduce greenhouse gas emissions, and drive economic opportunity through technological innovations.[2][6]
^ ab"How much energy is consumed in U.S. buildings?". U.S. Energy Information Administration. November 25, 2022.
^ abcd"Why Building Energy Codes?". U.S. Department of Energy: Building Energy Codes Program. Retrieved December 5, 2022.
^Cox, Sadie (February 2016). "Building Energy Codes: Policy Overview and Good Practices" (PDF). National Renewable Energy Laboratory – via Clean Energy Solutions Center.
^"Codes 101". U.S. Department of Energy: Building Energy Codes Program. Retrieved December 5, 2022.
^Cohan, David (May 31, 2016). "Energy Codes 101: What Are They and What is DOE's Role?". Office of Energy Efficiency & Renewable Energy: Buildings.
^ abcBartlett, R.; Halverson, M.A.; Shankle, D.I. (March 2003). "Understanding Building Energy Codes and Standards" (PDF). Pacific Northwest National Laboratory – via U.S. Department of Energy: Building Energy Code Program.
^"Building Energy Codes 101: An Introduction" (PDF). energycodes.gov. May 2010. Retrieved December 5, 2022.
^VanGeem, Martha G. (October 24, 2016). "Energy Codes and Standards". Whole Building Design Guide. Retrieved December 15, 2022.
^"Understanding Building Codes". National Institute of Standards and Technology: Buildings & Construction. June 21, 2022.
^"Chapter 5: Increasing Energy Efficiency of Building Systems and Technologies" (PDF). Quadrennial Technology Review. September 2015 – via U.S. Department of Energy.
^"Introduction to Building Codes". International Code Council. 8 January 2015. Retrieved December 5, 2022.
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