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Building solutions for climate change

Our mission is to decarbonize buildings for healthy and resilient communities.

NYC Next: Shaping Building Decarbonization

Join us on June 2 for an inside look at the trends shaping the future of NYC's buildings!

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Local Law 97

Local Law 97

NYC’s groundbreaking climate legislation sets carbon emissions caps for large buildings that began in 2024.

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Explore our NYC building data hub

Learn more about NYC's buildings and their energy use in this interactive data hub.

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We educate building professionals

We train people who design, construct and operate buildings locally and nationally.

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Building Tomorrow: Conversations with Climate Solvers

Building Tomorrow demystifies complex ideas about buildings, and introduces you to the people doing the work!

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Upcoming events

Crushing the Code NYS: Energy Code 101

May 6, 2025

In this 2-hour, online training, students learn what the 2020 ECCCNYS is, why it was developed, where it’s headed and the different ways to comply.

Crushing the Code NYS: Residential Envelope

May 7, 2025

In this 2.5-hour, online training, students will examine the ingredients for a code compliant building envelope and how they are incorporated into the 2020 ECCCNYS residential provisions.

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Recent publications

Man installing central heat pump, single-family home

Cool Switch

Replacing central ACs with heat pumps is a sleeper electrification opportunity for many New York homes.

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The next step in benchmarking NYC buildings

A proposed bill would expand NYC’s annual energy and water benchmarking law to buildings larger than 10,000 square feet.

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How Intro 772 would impact LL97

A City Council bill introduced last April aims to significantly weaken Local Law 97 for co-ops, condos and garden-apartment complexes.

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What you need to know about the 2024 LL97 rulemaking

On September 27, the NYC Department of Buildings launched a third major rulemaking for LL97. Here’s what you need to know.

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Explore the resource library

Videos and podcasts

LL97 Offsets: The Affordable Housing Reinvestment Fund

April 8, 2025

Learn how you can use AHRF offsets for LL97 compliance.

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Decarbonizing Con Edison’s district steam (w/ Matthew Ketschke)

March 21, 2025

Hear from Con Edison President Matthew Ketschke about plans to decarbonize NYC's district steam.

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5 years after Covid: Healthy building trends to know (w/ Dr. Joe Allen)

February 20, 2025

In a special fifth anniversary episode, Dr. Joe Allen discusses ways to improve indoor air quality and shares the healthy building trends you need to know.

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All videos and podcasts