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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377 Builders

PO Box 483
Housatonic , Massachusetts 01236
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

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. 475 helps make more durable, resilient, ecological, and energy-efficient buildings that optimize occupant comfort and health. We enable the building improvements required to dramatically reduce our energy demand and address our climate crisis. We are an e-commerce-based catalyst in the transformation of US construction to high-performance, low-energy, and Passive House buildings. The name “475” is a reference to the heat demand requirement of the Passive House Standard, 4.75 kilo BTUs per square foot per year. Passive House is the gold standard for high performance construction today.

Sectors: Commercial, Institutional, Industrial, 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) 570-2607

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

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

Abode Energy Management

555 Virginia Rd., Suite 202
Concord , Massachusetts 01742
Phone: (339) 707-0984

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

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

Ai3 Architects, LLC

526 Boston Post Rd.
Wayland , Massachusetts 01778
Phone: (508) 358-0790

Ai3 Architects has been a leader in education design for over 25 years. The firm strives to design the most outstanding educational facilities in the world; facilities which inspire and facilitate learning at the very highest level. Our extensive portfolio includes environmentally conscious design, including net-zero energy buildings, at a large-scale.

Each of our talented team members understands that our tremendous success has been achieved through focus, vision, sacrifice, and passion; and is committed to delivering these same qualities in each of our future endeavors.

Sectors: Institutional
Service Area: Massachusetts, Rhode Island
Professional Specialties: Architecture/Design, Net Zero

Air Barrier Solutions, Inc.

257 Middle Rd.
Crown Point , New York 12928
Phone: (518) 597-4503

We provide air barrier and insulation inspection/audit services, including bulk foam installation, across the U.S. and Canada. All of our projects begin with a state-of-the-art diagnostic evaluation. Customized retrofit plans are developed for each building. Air Barrier Solution's crews and project managers use proprietary, quality assurance, and measurement verification methodologies to complete projects.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Building Envelope, Deep Energy Retrofit, Energy Auditing, Energy Monitoring, Insulation

Alfandre Architecture

231 Main St.
New Paltz , New York 12561
Phone: (845) 255-4774

Alfandre Architecture specializes in the design of energy, resource-efficient, healthy buildings that are environmentally harmonious. We’re committed not only to the principles of green building but to its practical application in the real world. Get the space that’s right for you, designed around how you live and work. One team that does it all with our comprehensive range of design/build services, from sustainable design to complete construction, creating spaces and places of lasting beauty.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: New York
Professional Specialties: Affordable Housing, Architecture/Design, Design/Build

Allied Engineering, Inc.

160 Veranda St.
Portland , Maine 04103
Phone: (207) 221-2260

Allied Engineering (AEI) has been providing multi-discipline engineering support to our clients since 1958. Our experience lies in our knowledge and understanding of structural, mechanical, electrical and technology systems for new buildings and renovation design projects. Our expertise is demonstrated in our attention to detail, integrated designs, and our excellent reputation.

Sectors: Commercial, Institutional, Industrial
Service Area: Maine, New Hampshire
Professional Specialties: Certification/Commissioning, Consulting, Electrical, Engineering, Lighting, Mechanical Systems

altE Store, Inc.

330 Codman Hill Rd.
Boxborough , Massachusetts 01719
Phone: (877) 878-4060

Founded in 1999, altE has catered to customers on every continent of the globe. A 2006 Inc. 500 awarded company, altE aims to continue to fulfill its motto, "Making Renewable Do-able," by offering cost competitive and high-quality renewable energy related products to solar installers and do-it-yourselfers.

Sectors: Single Family
Service Area: Entire Northeast Region
Professional Specialties: Building Supply, Photovoltaics, Solar Thermal, Wind

Amberline Windows

25 Batchelder St.
Boston , Massachusetts 02119
Phone: (617) 922-3453

Amberline has been manufacturing high performance windows and doors since 2006. Along with making high performance windows and doors, Amberline is Passive House certified in both uPVC and aluminum. Despite being fairly new to the US distribution market, Amberline has a 15-year history providing windows and doors throughout Europe, including countries such as Poland, Germany, France, Ireland, and Sweden. Our team of industry experts are more than willing to help you decide on the appropriate Amberline window and/or door system for your next project. Once you contact us for a consultation, we will help you determine which products from our diverse catalog best fit your specific needs and specifications.

Sectors: Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Windows


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.