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 2026-09-29.

What the source says

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: 2026-09-29. Due for re-check by 2027-02-14. This page as Markdown · OKF bundle · full dataset as JSON.