The bill, H.B. No. 4016, proposes an amendment to the Health and Safety Code by adding Section 388.0045, which prohibits the use of electric resistance heating as the primary heat source in certain residential buildings with a dwelling area greater than 500 square feet. This prohibition is established notwithstanding any existing energy code requirements or local amendments, with the exception of dwelling units that utilize chilled water for cooling. The bill aims to enhance energy efficiency in residential buildings by restricting the use of less efficient heating methods.

The new regulations will apply to residential construction, remodeling, alteration, enlargement, or repair activities that commence under an agreement made on or after January 1, 2026. For projects initiated before this date, the existing laws will remain in effect. Additionally, municipalities are required to establish rules and take necessary actions to implement this new section by December 1, 2025. The bill is set to take effect on September 1, 2025.

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