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EECC Codes-Carbon Calculator
A tool for cities & states to estimate energy and carbon savings of energy codes. Be sure to click "Enable Content" at top. Redirects to IMT.org.
DOE Determinations for ASHRAE 90.1 and the IECC
DOE Savings Estimates for the 2021 IECC (Residential) and ASHRAE 90.1-2019 (Commercial) as compared to prior versions.
Status of State Energy Code Adoption
Status of state Commercial and Residential Energy Code adoption accounting for local amendments.
Fact Sheet: 2024 IECC Process
Summary of the revised IECC Process: timelines and committees