Building Energy Codes

Under the Buildings Committee, NASEO supports the State Energy Offices' efforts to adopt new model building energy codes and improve code compliance and enforcement. 

Resources

• Building Energy Codes 101: The Basics of Building Energy Codes and Standards
• Michigan Department of Environment, Great Lakes, and Energy (EGLE) Commercial and Residential Energy Code Compliance Aids for updating current energy codes to 2021 IECC and ASHRAE 90.1-2019 (July 2023)
• NASEO Publication on Opportunities of Equity-Focused Building Energy Code Activities (April 2023)
• NASEO Resolution Supporting Energy Efficient Codes (September 2019)
• Building Energy Code Savings Calculator, Energy Efficient Codes Coalition (.xlsm)
• DOE Building Energy Codes Program
• NREL ResStock
• Energy Efficient Codes Coalition 
  - More on the code development process
• Responsible Energy Codes Alliance 
  - IECC information and State Code Guides

NASEO Contacts: Ed Carley, Liepa Braciulyte, and Jasmine Xie