To generate a building’s estimated energy consumption, and the renewable energy required to meet the Zero Code/IECC 2021 Renewable Energy Appendix and the Zero Code 2.0 – prescriptive or performance – enter information about your building and any on-site solar PV system(s). Click Generate Results to view the the Estimated Building Energy Consumption and/or off-site Renewable Energy Requirements.
For detailed instructions on how to complete each section of the Zero Code, visit the User Guide.
Note: The Zero Code software Energy Calculator currently includes weather and solar files for 2,500 cities worldwide. Thousands of additional cities with weather and solar files will be made available in the Calculator soon.
The ZERO Code is an Architecture 2030 initiative.
Architecture 2030, in offering the ZERO Code, accepts no responsibility or liability for the accuracy of the inputs, assumptions, default values, and results estimated by the ZERO Code Energy Calculator, or for the design and performance of buildings utilizing the ZERO Code.
If you have questions about the ZERO Code, or if you are a legal jurisdiction that would like support in adopting the ZERO Code, please contact firstname.lastname@example.org.