Legislative Documents
Highlights of our activities can be found in our legislative testimony.
Below are documents prepared by the Energy Systems Laboratory to fulfill TERP Legislative Objectives. The ESL also conducts stringency reviews of the latest published editions of building energy codes in comparison to the Texas Building Energy Performance Standards (TBEPS), for consideration for adoption by the State Energy Conservation Office (SECO).
Aug 2021
ESL Stringency Analysis for Commercial and Residential Buildings Over 3 Stories – 2015 vs 2021 Aug 30 2021 [PDF] downloadAug 2021
ESL Stringency Analysis for SF Residential Buildings – 2015 vs 2021 IRC Aug 30 2021 [PDF] downloadNov 2014
Final recommendation to SECO, including stringency analysis & review of public comments, regarding the 2015 IRC, Chapter 11, and the 2015 vs. the 2009 IECC codesAug 2014
Letter to SECO regarding the stringency of the 2015 IRC, Chapter 11, and the 2015 vs. the 2009 IECC codesAug 2012
Final recommendation to SECO, including stringency analysis & review of public comments, regarding the 2012 IRC, Chapter 11, and the 2012 vs. the 2009 IECC codesAug 2012
Detailed stringency analysis of suggested amendments to Chapter 11 of the 2012 IRC and the 2012 IECC that were submitted to SECO during March 30-April 30, 2012 comment period ESL-TR-12-08-01Dec 2011
A Comparison of Building Energy Code Stringency: 2009 IECC vs. 2012 IECC for Commercial Construction in Texas. Revised Jul 2012 ESL-TR-11-12-07Dec 2011
A Comparison of Building Energy Code Stringency: 2009 IRC vs. 2012 IRC for Single Family Residences in Texas. Revised Aug 2012 ESL-TR-11-12-05Dec 2011
Letter to SECO regarding the stringency of the 2012 IRC, Chapter 11, and the 2012 IECC vs. the 2009 codesOct 2011
Letter to DOE in response to Building Energy Codes Cost Analysis notice in Federal RegisterMay 2011
General Memo and Information on 15% Above-code Energy Efficiency Measures for Residential Buildings in Texas Regarding the 2009 codesSep 2009
Final Recommendation to SECO, including Stringency Analysis & Review of Public Comments Regarding the 2009 IRC, Chapter 11, and the 2009 IECC vs. the 2000 Codes + 2001 Supplement ESL-TR-09-08-04Feb 2009
Letter to SECO Regarding the Stringency & Review of Public Comments of ASHRAE Standard 90.1-2007 vs. the 2000 IECC + 2001 SupplementFeb 2009
Letter to SECO Regarding the Stringency of REScheck Code Compliance Software (v4.2.0) vs. the 2000 Codes + 2001 SupplementFeb 2008
Final Recommendation to SECO, including Stringency Analysis & Review of Public Comments Regarding the 2006 IRC, Chapter 11, and the 2006 IECC vs. the 2000 IECC + 2001 SupplementAug 2007
General Memo and Information on 15% Above-code Energy Efficiency Measures for Residential Buildings in Texas Regarding the 2000 codes + 2001 Supplement ESL-TR-07-08-02Aug 2007
General Memo and Information on 15% Above-code Energy Efficiency Measures for Commercial Buildings in Texas Regarding the ASHRAE Standard 90.1-1999 ESL-TR-07-08-03
ESL Stringency Review of Proposed Local Building Energy Code Amendments
Jul 2016
ESL Determination based on NCTCOG Request of Prescriptive Tradeoff Code Compliance OptionsDec 2011
Letter to the City of Houston regarding the 2009 Houston Residential Amendments