H.B. No. 4016 proposes to amend the Health and Safety Code by adding Section 388.0045, which prohibits the use of electric resistance heating as the primary heat source in 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 encouraging alternative heating methods.

The new regulations will apply to any construction, remodeling, alteration, enlargement, or repair of residential buildings that begins 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 act is set to take effect on September 1, 2025.

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