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  2. California Energy Code - Wikipedia

    en.wikipedia.org/wiki/California_Energy_Code

    The 2019 California Energy Code became effective on January 1, 2020. [5] It focuses on such areas such as residential photovoltaic systems, thermal envelope standards and non-residential lighting requirements. Homes built under this code are about 53% more energy efficient than those built to comply with the 2016 Energy Code. [6]

  3. California Assembly Bill 811 (2008) - Wikipedia

    en.wikipedia.org/wiki/California_Assembly_Bill...

    Contractual Assessments: energy efficiency improvements, Assembly Bill 811 [1] (AB 811) is an environmental law in California signed into law by Governor of California Arnold Schwarzenegger on July 21, 2008. AB 811 was authored by Assemblyman Lloyd Levine. [2]

  4. United States building energy codes - Wikipedia

    en.wikipedia.org/wiki/United_States_building...

    Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...

  5. Discover 2024’s Top 10 Energy-Efficient Windows for Your Home

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  6. Window insulation - Wikipedia

    en.wikipedia.org/wiki/Window_insulation

    Energy-efficient houses in cold climates often feature triple-glazed windows with a U-value between 0.19 and 0.26. In moderate and hot climates, quality double-glazed windows with a U-value of about 0.30 are generally a more cost-competitive and effective choice. [8]

  7. California's first-ever 'climate information system' falls ...

    www.aol.com/news/californias-first-ever-climate...

    A project dubbed the California Climate Information System, ... $3 billion will be shifted away from clean energy and other ... of the original $54-billion climate package approved in 2022 ...