Passive House Institute

The Passive House Institute (PHI) is an independent research institute that has played an especially crucial role in the development of the Passive House concept – the only internationally recognized, performance-based energy standard in construction. Learn more...

Passive House Institute US

Passive House Institute US, Inc. (PHIUS) is a non-profit 501(c)(3) organization committed to making high-performance passive building the mainstream market standard.

Yestermorrow Design/Build School

Yestermorrow Design/Build School teaches over 100 hands-on workshops a year in design, construction, woodworking, and architectural craft and offers a variety of courses concentrating in sustainable design. Our intensive, hands-on courses are taught by top architects,...

Green Globes by the Green Building Initiative

The Green Globes system delivers an online assessment protocol, rating system and guidance for green building design, operation and management. It is interactive, flexible and affordable, and provides market recognition of a building’s environmental attributes through...

Net Zero

A zero energy building produces enough renewable energy to meet its own annual energy consumption requirements, thereby reducing the use of non-renewable energy in the building sector.

CTGBC Green Homes

The mission of our committee is to encourage the adoption in Connecticut of green building practices for both new construction and existing homes. We are a volunteer committee of sustainable building professionals pursuing our mission via a variety of outreach and...

U.S. Green Building Council Connecticut Chapter

CTGBC transforms the way buildings and communities are designed, built, and operated enabling an environmentally and socially responsible, healthy, and prosperous Connecticut and improved quality of life for all.

AIA Committee on the Environment

This committee promotes the chapter’s involvement in sustainable and energy-related issues and educates its architect members in environmental matters.

Living Building Challenge by the Living Future Institute

The Living Building Challenge is the world’s most rigorous proven performance standard for buildings. People from around the world use our regenerative design framework to create spaces that, like a flower, give more than they take.

New York Passive House

NYPH is an independent non-for-profit organization that promotes the Passive House building energy standard in NYS and the NYC metropolitan area – through public outreach, education, support of industry professionals and advocacy.


passivhausMAINE works together to support the passive house community in Maine, North America and internationally, creating events to educate and include all who are interested in reducing the carbon footprint of our built environment.

Passive House Vermont

We are a group of about seventy building professionals, architects, builders, consultants, designers and members of the general public who represent about fifty businesses in and around Vermont which are working towards sustainable buildings through employing Passive...

Passive House Massachusetts

Using public outreach and education, Passive House Massachusetts seeks to educate the general public about and advance the use of highly energy efficient building construction through the implementation of appropriate standards including, but not limited to, the...