State & Country Resources For Building Guidance And Compliance

Resources and building codes by state and country.

Most countries and US States have regulations that guide the construction of safe, energy efficient and resilient structures. Below are links that may help advise you on how make your building more comfortable, ensure that systems are properly installed and that your contractor is complying with regulations. Your government may also offer incentives for things like gas to electric conversion, insulation or LED bulbs.

The locations below are based on current subscribers and will be updated as the newsletter grows. Please flag any dead or broken links in the comments. Thank you.

United States

ALL STATES
US Govt. Recommended R-values Map
2021 IECC (Energy Code)

CALIFORNIA
California Energy Insulation Requirements (2019)
California Building Envelope Requirements (2019)

COLORADO
Colorado has no statewide building code and for energy it follows the IECC
Colorado Energy Resources
Colorado Energy Code Information

CONNECTICUT
State Building Code (2022)

FLORIDA
Florida Building Code (2020)

GEORGIA
Georgia Energy Code (2015)
Georgia Power Energy Assessments & Rebates

ILLINOIS
Illinois Energy Code

INDIANA
Indiana Energy Code (2020 PDF)

MARYLAND
Maryland follows the IECC

MISSISSIPPI
Currently no statewide code. Can use IECC 2021
Also refer to US Gov R-Values (first link above)

NEW JERSEY
Energy Compliance New Jersey (2022)
New Jersey Energy Code (2018)

NEW YORK
NYC Energy Code (2020)
NYS Energy Code (2022)

NORTH CAROLINA
NC Energy Codes (2018-2024)

OKLAHOMA
Building Codes

OREGON
Oregon Energy Codes

PENNSYLVANIA
Pennsylvania Energy Code (2018)

TENNESSEE
Tennessee follows the 2018 IECC

TEXAS
Texas Energy Code (2015)
IRC Chapter 11*
Effective Sept. 1, 2016, Texas 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).

UTAH
Utah Energy Code

WASHINGTON
Washington State Building Code
Washington State Energy Code (2018)

Rest of the World

AUSTRALIA
National Construction Code

CANADA
Canada Energy Code (2020)

FRANCE
Autorisation d'urbanisme

MOROCCO
RTCM

PHILIPPINES
National Building Code

UNITED KINGDOM
UK Energy Trust Guidelines for Insulation
UK Govt Building Regulations
UK Historic England
UK Historic Homes Energy Efficiency

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