NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business and Academic Members.  Please let companies know that you learned about their business from the directory.

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Greentec, Inc.

146 Cedar St.
Branford , Connecticut 06405
Phone: 203-208-0348

Greentec is a full-service manufacturer’s representative firm serving the heating, air conditioning, ventilating and refrigeration industry. Our sales professionals possess comprehensive product knowledge, extensive systems and applications expertise, the highest level of integrity, and an unending commitment to customer service. With a talented inside sales team, we are able to quickly react to our customer’s needs and anticipate their future requirements.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont
Professional Specialties: HVAC

Gryphon by New Frameworks

1 Mill St. Ste. 161
Burlington , Vermont 05401
Phone: 802-448-2206

Gryphon doors are a high-performance harmony of natural innovation and timeless construction; a guardian for your home, equal parts care and courage.

Gryphon is built by New Frameworks, a worker-owned cooperative of natural builders, architectural designers, permaculture practitioners, gardeners and family people – we know the landscape well. We began building these doors in 2012 for our own projects — improving the design at each step until 2019 where we are now proud to make them available for your next high-efficiency building project.

Sectors: Multifamily, Single Family
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont
Professional Specialties: Affordable Housing, Architecture, Building Envelope, Building Supply, Carpentry/Cabinetry, Deep Energy Retrofit, Design/Build, Healthy Materials, Net Zero, Passive House

  Industry Leader NESEA Member  

Halfen USA, Inc.

PO Box 18687
San Antonio , Texas 78218
Phone: 210-585-9342

With the company headquarters located in Langenfeld, Germany, HALFEN is one of the leading international companies in the following fields: anchoring technology, reinforcement technology, mounting/framing technology, facade fixing technology, transport anchor systems, and tension rod systems.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Entire Northeast Region

Hampshire College

893 West St.
Facilities & Grounds
Amherst , Massachusetts 01002
Phone: 413-559-6288

The Environmental Studies and Sustainability Program (ESSP) brings together a rich grouping of courses, ongoing projects, campus programs, and speaker series that allows students to develop their own ways of combining the sciences, social sciences, and humanities to study and work on environmental and sustainability topics.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Education

Hardwick Post & Beam

272 Fleming Rd.
PO Box 225
Hardwick , Massachusetts 01037
Phone: 413-477-6430

We are a company of craftspeople. For 33 years we have designed and built beautiful, custom, timber frame structures for clients in Massachusetts, New England, and across the United States. A family company in its second generation of leadership, we have been employing a group of timber framers year-round for more than three decades, and are committed to our people. We are very eager to work with architects and builders who are in the front line of cutting-edge energy sustainability and who want to pair their product with the beauty and tradition of a timber frame.

Sectors: Commercial, Institutional, Single Family
Service Area: Connecticut, Massachusetts, New Hampshire, Vermont
Professional Specialties: Construction Management, Design/Build, Timber Framing

HELM Construction Solutions

139 Main St.
Unit 602
Brattleboro , Vermont 05302
Phone: 802-225-8933

At HELM, we work with owners, designers and builders to create high performance and sustainable buildings and businesses. HELM provides a range of innovative services to help your business and your projects run smoothly and efficiently. We’re here to help support your business in whatever way you need, by offering expertise in business planning, accounting, estimating, job costing, project management, hiring, technology, software, and marketing that is specific to the high performance design and construction industry and the small business world.

Sectors: Commercial, Multifamily, Single Family
Service Area: Massachusetts, New Hampshire, Vermont
Professional Specialties: Construction Management, Consulting, Design/Build, Net Zero, Passive House, Project Management

  Industry Leader NESEA Member  

HMFH Architects, Inc.

130 Bishop Allen Dr., 4th FL.
Cambridge , Massachusetts 02139
Phone: 617-492-2200

HMFH is an architecture firm committed to creating spaces that elevate users’ experience. While each of our projects is different in its response to context and program, we are unified by our approach, which is predicated on a belief that the best architecture builds community. We design spaces that connect people­—whether across a campus, in a civic building, public or private institution, living or working space.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Architecture

HomeBase, LLC

326 Washington St.
Annex Building
Wellesley Hills , Massachusetts 02481
Phone: 508-533-8393

HomeBase is a member-based cooperative focused on creating ecologically sustainable, deeply resilient communities that are locally rooted, energy positive, globally connected, economically viable and diverse across age, race and income. Our mission is to demystify this process and make it accessible to anyone who wants to live in harmony with the biosphere and is willing to do the ongoing work of building community.

Sectors: Multifamily
Service Area: Massachusetts
Professional Specialties: Community Planning, Consulting, Design/Build, Net Zero, Real Estate

Huber Engineered Woods

10925 David Taylor Dr., Ste. 300
Charlotte , North Carolina 28262
Phone: 800-933-9220

Huber Engineered Woods continually strives to create innovative products that suit their customers' needs. Each one delivers outstanding performance, easy installation and greater strength in single family, multifamily and light commercial projects. Huber's ZIP System Sheathing & Tape are structural wood panels with built-in protective barriers, eliminating the need for building wrap or felt and providing a continuous rigid moisture and air barrier that optimizes energy efficiency. Additionally, Huber's AdvanTech Subflooring product is proven to achieve a superior combination of strength and moisture resistance for subflooring that won't swell, cup, delaminate or bounce even under the toughest conditions.

Sectors: Single Family
Service Area: Entire Northeast Region
Professional Specialties: Building Envelope, Building Supply, Insulation, Roofing

Hudson Valley Preservation Corp.

P. O. Box 846 23 South Main St.
Kent , Connecticut 06757
Phone: 860-592-0500.

Formed in 1991, HVP has become one of the foremost companies for historic and modern renovations in the Hudson Valley and Connecticut. We also offer historic preservation consulting expertise in the areas of architectural history and assessment, preservation planning, restoration and rehabilitation design, and grant writing.

Sectors: Single Family
Service Area: Connecticut, New York
Professional Specialties: Construction Management, Consulting, Design/Build, Historic Restoration

  Industry Leader NESEA Member  

Hutker Architects

79 Beach Rd.
Vineyard Haven , Massachusetts 02568
Phone: 508-693-3344

For more than 30 years, the team at Hutker Architects has been helping families and individuals create one-of-a-kind homes in New England. Our process begins with listening. We work together to create a program of indoor and outdoor spaces that will best support the way you live, work, and play.

Sectors: Single Family
Service Area: Maine, Massachusetts, New Hampshire
Professional Specialties: Architecture

  Industry Leader NESEA Member  

IAQ Champs

728 East 136th St
Ste 6G
BRONX , New York 10454
Phone: 518-414-0386

IAQ Champs specializes in the cleaning, video inspections, restoration, air balancing, fire damper installation and cutting edge industry advancing robotic mastic sealing of multi-family ventilation systems. Our primary focus is on restoring the existing and inoperable ventilation systems that have been overlooked in multi-family buildings for years. IAQ Champs is dedicated to providing the required airflow every resident needs and deserves.

Sectors: Multifamily
Service Area: Connecticut, Massachusetts, New Jersey, New York
Professional Specialties: Deep Energy Retrofit, HVAC, Indoor Air Quality


The NESEA Business Member 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 this directory is a benefit of NESEA Business or Academic Membership that results in increased visibility and referrals for our member organizations. The NESEA Business Member Directory 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.