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Document type: State-specific, Technical Assistance report
Publication Date: September 2009
Page Focus: Adoption

This nationwide analysis of commercial energy code compares ASHRAE Standard 90.1-2007 with the commercial code in each state as of June 2009. The results are provided in chapters specific to each state.

States with unique energy codes were not included in the analysis because the codes in these states would be difficult to appropriately compare to ASHRAE Standard 90.1 and most of these states have energy offices that routinely assess their codes against the model codes. In states with codes prior to and including the 2000 IECC or Standard 90.1-1999, those states with no statewide energy code, and home rule states which did not specifically request that another code be used, Standard 90.1-1999 was used as the baseline for comparison.

Three DOE Benchmark buildings were used for the simulation used in this analysis: a medium office building (53,600 ft2), a mid-rise apartment building (33,700 ft2), and a non-refrigerated warehouse (49,500 ft2...

Document type: State-specific
Publication Date:
Page Focus: Adoption

The Tennessee State Fire Marshal’s Office will implement enforcement of adopted energy codes for new building project submissions as of Friday, July 1, 2011. The energy codes adopted are:

  • All buildings other than state buildings: The 2006 International Energy Conservation Code
  • State buildings: ASHRAE Standard 90.1-2007.
Document type: State-specific
Publication Date: April 2015
Page Focus: Compliance

The State of Tennessee, Department of Commerce and Insurance, Division of Fire Prevention, previously sent a letter, dated July 18, 2013, to the U.S., Department of Energy certifying that it had adopted the 2006 International Energy Conservation Code (IECC) for one and two family dwellings and townhouses and non-State owned commercial buildings, and the American Society of Heating Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 90.1-2007 for State buildings.

In that letter, the State of Tennessee sought an extension until March 31, 2015, to review and consider adoption of updated editions of the IECC and ASHRAE standards to comply with the certification requirements of Section 304(C) of the Energy Policy and Conservation Act (EPCA).  However, due to the current political environment and coinciding circumstances, the State of Tennessee requests additional time, specifically December 1, 2015, in which to adopt the 2009 IECC and ASHRAE 90.1-2010.