Texas

For Texas, energy code in force is Energy Efficiency Chapter 11 of the 2015 International Residential Code (IRC); effective date is Sept. 1, 2016; adopting authority is SECO; statute / rule citation is Building Energy Efficiency Performance Standards, verified against its source on 2026-08-18.

State: Texas verified
Energy code in force: Energy Efficiency Chapter 11 of the 2015 International Residential Code (IRC) verified
Effective date: Sept. 1, 2016 verified
Adopting authority: SECO verified
Statute / rule citation: Building Energy Efficiency Performance Standards verified

Sourcecomptroller.texas.gov

Verified2026-08-18

Review by2027-02-14

DatasetWhich energy code each US state enforces for new homes: the IECC edition (or state equivalent) actually in force, with effective dates and amendments, from the state rules themselves

What the source says

<https://comptroller.texas.gov/programs/seco/> SECO Single-Family Construction 2015 International Residential Code, Chapter 11 Effective Sept. 1, 2016, SECO adopted the Energy Efficiency Chapter 11 of the 2015 International Residential Code (IRC) as the state’s Building Energy Efficiency Performance Standards for residential construction (i.e., one- and two-family residences three stories or fewer above grade).

— comptroller.texas.gov, retrieved 2026-08-18

Source

comptroller.texas.govhttps://comptroller.texas.gov/programs/seco/code/single-family.php

Last verified against source: 2026-08-18. Due for re-check by 2027-02-14. This page as Markdown · OKF bundle · full dataset as JSON.