NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business, Academic, and Non-Profit/Government Members.  Please let people know that you learned about their services from the directory.

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30 Main Street
Ayer , Massachusetts 01432
Phone: (617) 466-9252

[RE]Architect is a Design|Build company based out of North Central Massachusetts. Our team of Architects+Builders specialize in helping clients determine the best Building Science approaches for their residential or commercial projects. We strive to find economical and environmentally friendly ways to create spaces whether they are new construction or remodels. Our team based approach allows us to be agile, flexible, and creative with solutions while our 3D scanning and modeling tech allows us to be effective and efficient at any stage of the project. We love finding unique and innovative ways to make your projects a reality! [RE] Architect is an NGLCC certified company.

Sectors: Commercial, Multifamily, Single Family
WMBE: Women or BIPOC Owned, BuildingEnergy Access Program Participant
Service Area: Entire Northeast Region
Professional Specialties: Architecture/Design, Construction Management, Consulting, Design/Build, General Contractor, Net Zero, Project Management, Real Estate, Remodeling/Renovation

377 Builders

940 Main Street, Suite 2
Great Barrington , Massachusetts 01230
Phone: (413) 273-7770

We are a member-owned general contracting company based in the Berkshires of Western Massachusetts. Our expertise is in residential and light commercial construction, including additions and full-scale renovations for your home or building. We also specialize in custom cabinetry and sustainable practices. We are a tech-savvy group that uses web-based project management tools which make collaboration an easy and enjoyable experience. We'll present you with the best options to suit your vision and resources whether innovative, traditional, or a blend of both.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Carpentry/Cabinetry, Design/Build, General Contractor, Remodeling/Renovation


1752 NW Market St #430
Seattle , Washington 98017
Phone: (206) 913-2367

Triple Bottom Line Construction (3BLC) is a Seattle based and employee owned general contractor dedicated to work that is socially, economically, and environmentally sustainable. Remodel and new construction with a commitment to social, economic, and environmental sustainability.

Sectors: Single Family
Service Area:
Professional Specialties: General Contractor, Remodeling/Renovation

  Midsize NESEA Business Member  

475 High Performance Building Supply

334 Douglass St.
Brooklyn , New York 11217
Phone: (800) 995-6329

475 High Performance Building Supply provides essential building knowledge and components to building professionals. is a trusted source of free knowledge, and an easy-to-use platform for purchasing high quality European building envelope solutions. Learn about Pro Clima’s complete airsealing system, Lamilux PHI certified skylights, Lunos ductless HRVs, GUTEX wood fiberboard insulation, and Optiwin windows - plus download free Smart Enclosure system details and guide books today.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Building Supply, Healthy Materials, Insulation, Passive House, Windows

603 Solar

24 Charter St.
Exeter , New Hampshire 03833
Phone: (603) 582-6032

603 Solar is a solar energy service based in Exeter, NH. We wanted to begin a solar company based on the values of integrity and honesty, providing an amazing customer experience and getting people the best return on investment. We pride ourselves on our educative approach to showing people the advantages of solar, and strive to get people the best return on investment.

Sectors: Commercial, Multifamily, Single Family
Service Area: New Hampshire
Professional Specialties: Photovoltaics

  Midsize NESEA Business Member  

A Yard & A Half Landscaping Cooperative, Inc.

26 Thayer Rd.
Waltham , Massachusetts 02453
Phone: (781) 788-8855

A Yard & A Half Landscaping Cooperative was formed in 2013 to preserve and continue to develop a locally-owned, safe, just, and democratic workplace in an industry where workers often face exploitation, wage theft, and hazardous working conditions. Participation in the cooperative is a financial and career investment for members, not just a job. Worker-owners participate in professional development, learning transferable skills and creating economic growth and self-sufficiency. We also share in the profits of our labor, allowing us to reinvest in our own local economy, communities, and families.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Consulting, Landscape Design, Pavement/Masonry

A9 Green

329 Massachusetts Ave., Suite #3
Lexington , Massachusetts 02420
Phone: (781) 357-2454

A9 Green has been conducting energy consulting and home energy ratings (HERS Rating) in over 95 cities and towns in Massachusetts since 2009. We work with developers, architects, builders, and homeowners in the Greater Boston and Eastern Massachusetts areas. With expertise in digital 3D and energy modeling, Massachusetts code compliance, and architecture and building science, we provide a variety of services to ensure new homes meet and exceed energy efficiency standards.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Consulting, Energy Auditing, HERS Rater, Passive House

AARON Environmental, Inc.

189 Atwater Street
Plantsville , Connecticut 06479
Phone: (860) 276-1201

AARON Environmental Services is an engineering, consulting and contracting firm that provides environmental services to clients throughout the Northeast United States, including Connecticut, Massachusetts, New York, Rhode Island, Vermont, New Hampshire and New Jersey. We service underground and above ground storage tanks, gasoline service stations, storage terminals and commercial and industrial facilities and because of this, tank management is one of our specialties.

Sectors: Commercial, Institutional, Industrial
Service Area: Connecticut, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont
Professional Specialties: Environmental Services

  Midsize NESEA Business Member  

Abode Energy Management

555 Virginia Rd., Suite 202
Concord , Massachusetts 01742
Phone: (339) 707-0918

Abode is a Massachusetts-based energy management and consulting company with expertise in residential building science, energy efficiency, and strategic electrification. Abode has decades of collective experience supporting energy efficiency and home performance programs, both as a participating contractor and a lead vendor. We have industry-leading experience with air source heat pump systems and work with more than 12 municipal light plants and communities providing customer-facing education, contractor recruitment and qualification, and quality assurance programs supporting the adoption of heat pumps.

Sectors: Multifamily, Single Family
Service Area: Connecticut, Massachusetts
Professional Specialties: Building Envelope, Certification/Commissioning, Consulting, Consumer Information, Deep Energy Retrofit, Education, Energy Auditing, Energy Modeling, HERS Rater, HVAC, Incentives, Insulation, Net Zero, Project Management, Public Policy

Acorn Energy Solutions, LLC

155 Androvette St.
Staten Island , New York 10309
Phone: (718) 280-1216

Acorn Energy Solutions serves solar developers, contractors, and commercial clients with the necessary services to support renewable and green business projects. We have a team of accessible design engineers, instructors, professional engineers, electricians, and subject matter experts who can discuss your project in detail. We offer solar packages for permitting, designing, and IT monitoring solutions.

Sectors: Commercial, Multifamily, Single Family
Service Area: New Jersey, New York
Professional Specialties: Architecture/Design, Consulting, Electrical, Energy Monitoring, Energy Storage, Engineering, General Contractor, Incentives, Photovoltaics, Project Management, Roofing, Solar Parking Structures

Action For Boston Community Development, Inc. (ABCD)

178 Tremont St., 4th Fl..
Boston , Massachusetts 02111
Phone: (617) 348-6000

ABCD is a non-profit human services organization that provides low-income residents in the Greater Boston region with the tools and resources needed to transition from poverty to stability and from stability to success. Offering a number of heating and energy services to income eligible residents of Boston, Brookline, Newton and the Mystic Valley cities and towns of Malden, Medford, Everett, Melrose, Stoneham, Winchester and Woburn, ABCD can help you stay warm in winter and cool in summer. We’ll even help you go green!

Sectors: Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Affordable Housing, Consumer Information, Energy Auditing, Incentives, Social Services

Action Inc.

47 Washington St.
Gloucester , Massachusetts 01930
Phone: (978) 283-2131

For more than 50 years, Action Inc. has been a champion for the people and communities of Cape Ann—a coastal region of northeastern Massachusetts. The mission of Action Inc. is to build an equitable and resilient community by creating opportunities for all on Cape Ann.

Sectors: Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Affordable Housing, Incentives, Public Policy, Social Services


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 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 3500). If you would like to be included in the directory, join NESEA today at one of our organization membership levels. Learn more.