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Main Calendar

9/8/2026 - 9/8/2027
WED
September
9
2:00 PM - 3:00 PM

Passive House is increasingly written into policy and incentive programs, but comparing it directly to standard codes has been difficult — each uses different software, assumptions, and floor-area conventions. This study fixes that. The same 31-unit, ...

THU
September
10
12:00 PM - 1:00 PM

Join PHES, NYPH, and PHFE for a celebration of education and collective action to support K-12 Climate Education

FRI
September
11
12:00 AM - 10:00 AM

Darmstadt, Germany. The 29th International Passive House Conference will take place in Innsbruck in April 2027. "Energy efficiency unites" is the theme of the conference, which will feature a varied programme at the Ágnes Heller House at the University ...

MON
September
14
12:00 PM - 1:00 PM

This presentation draws from project case studies to examine three interior enclosure strategies in depth: mineral wool assemblies faced with a humidity-dependent variable vapor retarder; dense-pack cellulose with an air control membrane; and...

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FRI
September
18
9:00 AM - 7:00 PM

The Regenerative Metropolis Symposium brings together internationally recognized leaders, groundbreaking projects, and bold ideas to explore how Passive House and regenerative thinking are transforming the future of buildings, communities, and cities.

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MON
September
21
5:00 PM - 6:30 PM

Embodied Carbon Game Night is an interactive Climate Week NYC event that brings together architects, engineers, contractors, manufacturers, and sustainability leaders for an evening of learning, networking, and friendly competition. Through a series of ...

WED
Sep Dec
23
12:00 AM

The CPHD course is the premier core Passive House professional training for architects, engineers, consultants, developers, policymakers and more. The course is supported by the 30+ year history of global technical leadership and scientific research of ...

WED
October
14
12:00 AM - 6:00 PM

No matter where your building is in the process of energy improvements to comply with LL97 — just starting to explore options, or ready to move into implementation — the NYC Accelerator Expo meets you there!

THU
October
15
8:00 AM - 5:00 PM

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. Our Keynote ...

TUE
October
20 23

The world's leading event for green building professionals

TUE
October
20
6:00 PM - 10:00 PM

The Urban Green Gala is our most important fundraiser and supports our critical education, policy and research initiatives. The Gala brings together leaders from all corners of New York City’s vibrant sustainability community for the green building ...

FRI
November
13 15
9:00 AM - 5:00 PM

Pass­ive House Vis­it­ors: Ex­per­i­en­ce Pass­ive House for Your­self! The In­ter­na­tion­al Pass­ive House Open Days are your chance to dis­cov­er the power of en­ergy-ef­fi­cient build­ings firsthand. Wheth­er you're in­ter­es­ted in build­ing your ...

FRI
April
2 3
9:00 AM - 4:00 PM

Save the Date: 29th International Passive House Conference 2027 in Innsbruck – “Energy efficiency unites” Following the successful 28th International Passive House Conference in Essen, we are happy to announce the dates and location for next year’s ...

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