The Building Energy Exchange (BE-Ex) is a center of excellence dedicated to reducing the effects of climate change by improving the built environment. BE-Ex accelerates the transition to healthy, comfortable, and energy efficient buildings by serving as a resource and trusted expert to the building industry.

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Registration for Daylight Hour 2019 is now open

Daylight Hour is a global social media campaign to raise awareness of the benefits of daylight in commercial offices. Using daylight in lieu of electric lighting demonstrates the opportunity to conserve energy, save money, and promote the well-being of the many people who spend their days indoors.

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High Performance Building Resources

The Building Energy Exchange has launched a new series of resources on high-performance building technologies and retrofit strategies. Explore the link below to learn more about the latest efficiency and comfort enhancing solutions for your building.

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Passive House Primer

Schedule a free presentation on Passive House

Interested in learning more about Passive House but pressed for time? Join BE-Ex for the Passive House Primer – an engaging, one-hour seminar on Passive House fundamentals and their application in the NYC market. Available as a free session delivered at your office.

Please contact Ashley Verhines at to schedule a Passive House Primer for your office.

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Current Exhibit: Celebrate NYC

BE-Ex presents Celebrate NYC, an exhibit celebrating the leadership of the New York City real estate community in advancing building energy efficiency and effective climate action. Celebrate NYC showcases 60 energy efficiency retrofit projects. These projects represent all kinds of buildings across New York City’s boroughs, and feature a wide variety of energy upgrades.


Case Study: The New York Botanical Garden

The New York Botanical Garden (NYBG) has been a leader in environmental conservation since 1891. Over the last decade, NYBG has transformed its Bronx campus into a 21st-century model of sustainability. By integrating energy efficiency into capital planning and piloting innovative energy upgrades, NYBG has reduced energy use by 21% and emissions by 53% per area sq. ft. and is saving nearly $300,000 each year.



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