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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Greenfield Solar

2 Fiske Ave.
Greenfield , Massachusetts 01301
Phone: (413) 772-3122

Greenfield Solar, previously known as Solar Store of Greenfield, is proud to have been in operation since 2005. For 16 years, we have provided permier expertise in the solar photovoltaic field with over 500 installations. We provide professional services for turnkey residential and commercial PV systems, including: ground, roof mounted, and dual axis tracker installations. In addition we offer battery back-up storage systems.

Feel free anytime to stop by and say hi to John, Claire, Stephanie or Sammy (resident couch dog) to see how we can help you!

Sectors: Commercial, Single Family
Service Area: Massachusetts
Professional Specialties: Consulting, Energy Storage, Photovoltaics

Gryphon Doors by New Frameworks

1 Mill St. Ste. 160
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/Design, Building Envelope, Building Supply, Carpentry/Cabinetry, Deep Energy Retrofit, Design/Build, Healthy Materials, Net Zero, Passive House

Hampshire College

893 West St.
Facilities & Grounds
Amherst , Massachusetts 01002
Phone: (413) 559-5949

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


35 Batchelder St.
Boston , Massachusetts 02119
Phone: (617) 652-0670

Haycon provides high-quality, professional Boston construction services and expert craftsmanship. Depending on your needs, Haycon can function as your architect, construction manager, and/or general contractor.

We offer a full scope of design and construction services, including: custom residential, historic preservation, commercial, and multifamily residential, and remodeling projects.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Connecticut
Professional Specialties: Architecture/Design, Construction Management, Design/Build, General Contractor, Historic Restoration, Net Zero, Passive House

Heartwood Group, Inc.

165 Evergreen St.
Providence , Rhode Island 02906
Phone: (401) 861-1650

Our company was founded in 1983 to create environmentally responsible buildings. Today we provide consulting and development services in the renewable energy and building industries.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Connecticut, Massachusetts, Rhode Island
Professional Specialties: Consulting, Development, Photovoltaics, Real Estate, Wind

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. HELM Construction Solutions works on projects throughout the Northeast and beyond.

Sectors: Commercial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Construction Management, Consulting, Design/Build, Net Zero, Passive House, Project Management

  Industry Leader NESEA Member  


374 Congress St., Ste. 400
Boston , Massachusetts 02210
Phone: (617) 338-5990

HGA is an interdisciplinary design firm committed to making a positive, lasting impact for our clients and communities through research-based, comprehensive solutions. We believe in the power of sustainable thinking to create efficient, equitable and resilient spaces and have a long history of success embracing a holistic design approach. Human experience is at the core of any successful design solution; thus, our first design consideration is to create beloved buildings that contribute to our well-being, performance and satisfaction. HGA’s work process incorporates options for creating lasting value that balance economic, social and environmental impacts.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Entire Northeast Region
Professional Specialties: Architecture/Design, Certification/Commissioning, Engineering, Landscape Design, Lighting, Research

  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/Design

Housatonic Architectural Services, LLC

123 Front St.
Housatonic , Massachusetts 01236
Phone: (413) 854-9855

Diego Gutierrez works collaboratively with his clients to understand and bring alive their ultimate architectural vision for living and work spaces. To each of his projects, he brings the principles of sustainable design, green construction and environmental awareness, and the results of his work are found throughout the Berkshires and Great Barrington, Mass., nearby New York state, and Northwestern Connecticut. Born in Bogota, Colombia, Diego immigrated to NYC at the age of nine and graduated in 1987 from Pratt Institute with a Bachelor in Architecture. He worked for various architectural firms in New York until moving to the Berkshires in 2000.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Architecture/Design, Remodeling/Renovation

  Industry Leader NESEA Member  

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.

23 South Main St.
P. O. Box 846
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


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.