Changes between 2006 IECC and the 2015 IECC, including Hawaii amendments
Comparison of IECC 2006 with IECC 2015 (PDF)
Window area-weighted average calculation tool
This spreadsheet implements compliance calculations for window solar heat gain coefficient (SHGC), including shading credit for overhangs and screens.
Plan review checklists and design checklists
These voluntary checklists provide building designers and plan reviewers with a list of requirements and references to code sections. These checklists are based on the 2015 IECC with Hawaii amendments.
Hawaii State Energy Office contact for energy code issues: Howard Wiig, [email protected]