ZERO Code Energy Calculator

To generate a building’s estimated energy consumption, and the renewable energy required to meet the ZERO Code, first elect the pathway for meeting ASHRAE Standard 90.1-2016 – prescriptive or performance – and then 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 RequirementsFor 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.