• New Blog!

    Advance climate action by getting involved now in the commercial 2024 IECC update

    Make your voice heard! Learn about how to make comments on the draft 2024 Commercial IECC in a recent blog, as well as in an upcoming webinar.

    Learn More
  • Apply for the Next Gen Program!

    The Next Gen program, a cohort-model professional development program for undergraduate students interested in a career in building efficiency, is seeking student and mentor applicants.

    Learn more
  • #HeatPumpItUp

    Heat Pump Water Heater Day is Coming!

    Join The Advanced Water Heating Initiative (AWHI) for an entire day dedicated to ENERGY STAR certified heat pump water heater (HPWH) education and awareness.

    Learn more
  • 2023 Getting to Zero Forum

    Call for Speakers is Open!

    Are you ready to bring your zero energy and zero carbon innovations to the podium? The Call for Speakers is open until Oct 7th!

    Learn More
  • New Resource

    NBI Releases a Game-Changing Model Code for Existing Buildings

    The Existing Buildings Decarbonization Code is an overlay to the 2021 International Energy Conservation Code (IECC) and covers residential and commercial retrofits.

    Learn more

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Learn how NBI is changing the face of the built environment through our program hubs.


Check out one of our webinars.

NBI offers a large selection of on-demand webinars about a variety of subjects that include: building codes, schools, zero energy buildings, building portfolio management and grid optimization. AIA LU|HSW credits are available for select webinar recordings.

Learn more

Support NBI

NBI works to help make sense of emerging trends and ensure the best outcomes for improved energy performance in the built environment. Success means cost savings for business and residents, more comfortable living and work spaces, and dramatically reducing carbon emissions that are fueling climate change.

Our supporters make this important work possible with their contributions.


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A note on COVID-19: Our hearts go out to the people and communities that are being directly impacted by the Coronavirus. We are working remotely to support the safety of our staff, family members and community. NBI efforts continue to make buildings better for people and the planet. NBI staff are available via email, phone, and other conferencing apps. Please support your local communities by heeding government and health care officials' calls for social distancing to protect the vulnerable. We look forward to joining you at events when conditions improve.
COVID 19 resources relevant to buildings