• Zero Carbon/Energy Codes: Key Policy Tools to Meet Climate Goals

    Watch this webinar, it's available on demand.

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  • Learn how HERS raters influence IECC development and more...

    Eric Makela takes us on a journey through the world of energy codes in a RESTalk interview.

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  • Share Your Zero Energy and Ultra Low Energy Commercial Building Project

    What’s your number? NBI is seeking new projects.

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Learn how NBI is changing the face of the built environment.

Learn More About NBI

NBI is celebrating its 20-year anniversary!

Follow along with NBI as we look back at the organization's accomplishments and toward our future work.

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Thanks to our valued sponsors and partners