NESEA Green Pages Business Directory

The NESEA Green Pages Business directory includes all organizations that are NESEA Business and Academic Members. The directory is open to the public.

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Zachau Construction

1185 US Route 1
PO Box J
Freeport , Maine 04032
Phone: 207-329-2564

A structure is only as sound as the foundation it rests upon. That goes for both buildings and the partnerships needed to put them in place. For almost fifty years, Zachau Construction has been nurturing the knowledge and relationships that have turned the visions we’ve shared into places that endure. That’s the kind of plan for success we’d welcome building with you.
Zachau has maintained a consistently high standard for service to its clients throughout its history, for projects of every size and scope. We have the depth of experience and operational insight to meet the challenges of special project requirements including: historical restorations and preservations, occupied spaces, environmentally sensitive areas, and off-hours work.

Professional Specialties: Building Design & Construction, Commercial & Institutional, Construction Process

Zehnder America, Inc.

6 Merrill Industrial Dr.
Unit 7
Hampton , New Hampshire 03842
Phone: 888-778-6701

Zehnder America Inc. provides high quality heating and ventilation solutions to promote comfortable, healthy, and energy-efficient indoor living. Zehnder America is a division of the Zehnder Group, headquartered in Switzerland. The Zehnder Group is represented worldwide and specializes in advanced heating, cooling, and ventilation technology.

Professional Specialties: Commercial & Institutional, HVAC, Multifamily, Single Family

ZeroEnergy Design

156 Milk St.
Ste. 3
Boston , Massachusetts 02109
Phone: 617-720-5002

Green Architecture, Mechanical Design & Energy Consulting. Modern houses, green homes, multi-family, and institutional architecture. HVAC Design & Energy Consulting for high performance homes and buildings. Passive House Consultants & Registered Architect on staff. Working in MA, ME, NH, VT, RI, CT, NJ, and more.

Professional Specialties: Architecture, HVAC, Mechanical Systems & Lighting, Net Zero Energy, Passive Housing, Single Family

Zilkha Center for Environmental Initiatives of Williams College

55 Mission Park Dr.
Williamstown , Massachusetts 01267
Phone: 413-597-4462

The Zilkha Center for Environmental Initiatives is committed to protecting and enhancing the natural and built environment in which we learn, work, and live. We research, investigate, support, promote and implement sustainability programs and educational initiatives. We work with faculty, staff and students, and local and national organizations to deepen our understanding of our impact on the earth’s resources and our responsibilities for developing a sustainable future. In working towards that future, we aim to support the global effort to advance environmental sustainability. At the core of our approach is the belief that sustainability means meeting the needs of our current generation without compromising the ability of future generations to meet their needs.

Professional Specialties: Alternative Energy, Cities & Communities, Education


The NESEA Green Pages Business Directory is the premier referral resource for consumers and professionals looking for high-performance building and renewable energy professionals in the Northeast.

A listing in the Green Pages is a benefit of NESEA Business or Academic Membership that results in increased visibility and referrals for our member organizations. The Green Pages is published online and in print (fall issue of BuildingEnergy magazine, circulation 3750). If you would like to be included in the directory, join NESEA today as a business member. Learn more.