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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.
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.
Fact Sheet: 2024 IECC Process
Summary of the revised IECC Process: timelines and committees