Much of the information presented in this summary is drawn from the U.S. Department of Energy’s (DOE) Building Energy Codes Program and the Building Codes Assistance Project (BCAP). For more detailed information about building energy codes, visit the DOE and BCAP web sites.
Authority for adopting the state energy codes was previously vested in the Energy Security Office of the Department of Commerce (originally the Department of Public Services). In 1999-2000, the state legislature transferred this authority to the Building Codes and Standards Division within the Department of Administration. Eventually, the Building Codes and Standards Division was transferred to the Department of Labor & Industry so that all regulations and activities regarding construction in the state were under one department.
After authority over energy codes was transferred to the Building Codes and Standards Division (within the Construction Codes and Licensing Division) in the Department of Labor & Industry, significant effort was made to transition the Minnesota building community from a purely state-developed code to one aligned more closely to the national model codes. In 2008, after seven and a half years, the state adopted new residential and commercial energy codes based on the 2006 IRC and ASHRAE 90.1-2004, respectively. Officials hope to streamline this process in the future and update the state codes more frequently.
On June 1, 2009, the 2009 Minnesota State Building Code became effective. The new residential energy code (Chapter 1322) has been simplified to the point that in virtually all cases a REScheck-like program is not needed to show code compliance. The code now simply requires minimum R-values and maximum U-factors for building components without regard to square footage of those elements. A REScheck for the new Minnesota code is currently available.
The current Minnesota Residential State Building Code Chapter 1322 is mandatory and based on the 2012 IECC. It became effective on February 14, 2015. The commercial code, Minnesota Commercial State Building Code Chapter 1323 is mandatory and based on the 2018 IECC and ASHRAE 90.1-2016 with amendments. It passed March 31, 2020.
Current Minnesota State Building Code has been updated to be based on the 2018 IECC.
Click here for more information about the Minnesota State Building Code.
|Incentive Type:||Building Energy Code|
|Eligible Renewable/Other Technologies:||
|Residential Code:||Chapter 1322 (based on the 2012 IECC). Mandatory statewide, REScheck is available|
|Commercial Code:||Chapter 1323 (based on ASHRAE 90.1-2010) Mandatory statewide, COMcheck is available|
|Code Change Cycle:||No set schedule. The current code became effective March 31, 2020.|
443 Lafayette Road N.
St. Paul MN 55101
This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.
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