how will LL97 impact your building?

The LL97 Carbon Emissions Calculator estimates a building’s carbon penalty as a result of NYC LL97.

Automatically load building data from NYC’s benchmarking database or manually enter information to generate carbon thresholds, potential penalties, and utility cost metrics for three compliance periods.

Submit bug reports or comments here.


next steps

What’s next? Once you’ve estimated your carbon footprint, connect with the NYC Accelerator for free, personalized guidance on implementing energy efficiency improvements that lower emissions, reduce operating costs, and enhance tenant comfort.


technical partner

This calculator engine was developed by AKF Group with UX/UI design by Jessica Celano.

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