Past Events

BuildingEnergy Boston 2026
BuildingEnergy Boston 2026
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Boston, Massachusetts
BuildingEnergy Boston is a conference designed by and for practitioners in the fields of high-performance building and design, energy efficiency, and renewable energy. It brings more than 1,000 industry leaders and emerging professionals together to learn from and share ideas with each other. Sessions are curated by a volunteer NESEA-Member content committee to ensure that conference sessions are genuinely useful to attendees. The conference will feature product demonstrations, networking events, and accredited sessions that offer best practices and lessons learned, case studies and proven data, technical "how-to"s, emerging technologies, and innovative policies and programs.
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Pre-Conference Webinar: Introducing the Mitsubishi Electric Ecodan Air-to-Water Heat Pump
BuildingEnergy Webinar
Pre-Conference Webinar: Introducing the Mitsubishi Electric Ecodan Air-to-Water Heat Pump
online

This webinar will provide a high-level overview of the function and applications of the new Ecodan air-to-water heat pump product. For more great content like this, check out the session lineup for BuildingEnergy Boston, taking place on March 23-24.

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a group of people having a discussion together
Special Event
What is Climate Justice, and How Do We Get There?
Online
Climate justice takes all of us. Explore the roots of climate justice and exchange ideas about how to integrate climate justice into your work with fellow NESEA Members.
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BuildingEnergy Pro Tour
Pro Tour: Mass Timber Framed Passive House Retirement Community in Waltham
Waltham, Massachusetts
Join us for a tour of a 73,000 GSF, 3-story building featuring 68 units of affordable senior housing, including 66 one-bedroom apartments and 2 two-bedroom apartments. This building was designed with high-performance building materials and systems to maximize energy efficiency and sustainability.
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multifamily building in upstate New York
BuildingEnergy Webinar
Webinar: New Incentives for Upstate Multifamily Affordable Housing
online

NYSERDA is anticipating launching a new upstate affordable multifamily incentive program in early Q1 2026. The program will provide incentives for technical assistance and energy efficiency and high efficiency building electrification upgrades, and replaces the upstate Affordable Multifamily Energy Efficiency Program (AMEEP), which closed to new applications on October 31, 2025.

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Special Event
Justice and Equity Community Meet Up: Boston
Boston, Massachusetts
NESEA will be hosting an in-person meet-up for people working in industries connected to NESEA who have identities that are traditionally underrepresented in the field.
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BuildingEnergy Pro Tour
Pro Tour: Under Construction Community-Centered Educational Facility & Business Spotlight
Boston, Massachusetts
Join NESEA for a special event, that will combine a Pro Tour of Franklin Cummings Tech's new all-electric, 68,000 square foot building and a networking event to meet the businesses in our BuildingEnergy Access program.
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people chatting and eating at a Happy Hour
Annual Meeting
50th Anniversary Annual Meeting and Community Happy Hour
Join us as we celebrate 50 years of NESEA! This year’s Annual Meeting & Community Happy Hour will take place in six cities across our region—reflecting the strength and reach of our community.
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image of event with info and a photo of wooden beams
Special Event
Québec-Massachusetts Offsite Construction Mission 2025
State Room: A Longwood Venue
Boston, Massachusetts

Join us for the Québec- Massachusetts Offsite Construction Mission 2025 at the beautiful State Room venue in downtown Boston! This in-person event, in partnership with the Northeast Sustainable Energy Association (NESEA) and the Quebec Wood Export Bureau (QWEB), will bring together industry leaders in offsite construction from both Québec and Massachusetts.

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BuildingEnergy Pro Tour
Pro Tour: Deep Energy Retrofit of Historic Apartments in Boston
Boston, Massachusetts
Originally built in 1888 as two-story duplex apartments, and renovated in 2003, these untis are being redesigned and updated to achieve Passive House certification through a comprehensive Deep Energy Retrofit (DER) of the buildings' exterior envelopes. This project is intended to serve as a demo, showing the benefits of passive house guided retrofits that can be done with minimal resident disruption.
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a photo of two people standing on stage, infront of screens that read "BuildingEnergy NYC". There is a crowd infront of them, listening closely.
BuildingEnergy NYC 2025
New York, New York
NESEA's BuildingEnergy NYC conference and trade show is a chance to immerse yourself in a full day of networking and intensive learning with your peers from the fields of design, construction, engineering, policy, finance, and beyond.
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people chatting and eating at a Happy Hour
Special Event
BuildingEnergy NYC 2025 After Party + NESEA 50th Anniversary Celebration
Maggie's Place
New York, New York
Join us at the conclusion of BuildingEnergy NYC 2025 to toast 50 years of NESEA! We'll gather just a few blocks away to celebrate our first 50 years, share our dreams for the future, and connect with others from our growing NESEA community.
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