Bill > SB2102

This bill establishes new energy efficiency performance standards for residential construction, specifically focusing on attic and rafter assembly insulation. The bill allows local jurisdictions to consider an unvented attic or rafter assembly compliant with energy code requirements if it meets certain specific conditions: the assembly must be insulated with air impermeable insulation to an R-value of 20 (in climate zones 2-3) or 26 (in climate zone 4), and the building must pass a blower door test with an air change rate of less than 3.0 ACH50. Additionally, the building must have a mechanical ventilation system that does not rely solely on negative pressure, contain heating, cooling, and ventilation equipment within its thermal envelope, and meet specific insulation requirements for roof rafters. These standards are designed to improve energy efficiency in residential buildings by ensuring better insulation and air sealing techniques. The bill will take effect on September 1, 2025, giving local jurisdictions and builders time to adapt to the new requirements.

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https://capitol.texas.gov/BillLookup/History.aspx?LegSess=89R&Bill=SB2102