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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Advanced Building Analysis, LLC

2 Woodlawn St.
Amesbury , Massachusetts 01913
Phone: (978) 270-3911

ABA is an industry leader of energy analysis, diagnostic, and verification services in Massachusetts and southern NH. We are an ENERGY STAR partner who helps builders of new single family and multi-family homes meet the challenges of higher energy efficiency standards and cost effectiveness. ABA consults with architects and builders to improve building energy efficiency to meet or exceed program goals established by EPA’s ENERGY STAR, MA Residential New Construction programs, as well as building code consultation and verification.

Sectors: Multifamily, Single Family
Service Area: Massachusetts, New Hampshire
Professional Specialties: Certification/Commissioning, Energy Auditing, Energy Modeling, HERS Rater, Passive House

  Industry Leader NESEA Member  


225 Byers Rd.
Miamisburg , Ohio 45342

We connect our proven technology to your home’s heating & air system to distribute the sealing formula. Our non-toxic, water-based formula effectively seals all the holes in your air ducts and vents, making sure your air goes where you need it – not where you don’t. Have peace of mind seeing real-time results while the cracks are being sealed. You’ll even get a certificate of completion showing the before and after results.

Sectors: Single Family
Service Area: Entire Northeast Region
Professional Specialties: HVAC

Ai3 Architects, LLC

111 Speen St. Suite 300
Framingham , Massachusetts 01701
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

Airtight Energy Consulting, Inc.

17 New South St, Suite 100
Northampton , Massachusetts 01060
Phone: (413) 337-3140

We provide guidance for energy-efficient construction projects throughout New England. Our experienced energy analysts work hand-in-hand with architects, developers, and builders to ensure construction and renovation projects can achieve increasingly ambitious energy standards. Our services are available for single and multifamily homes, small commercial buildings, and major renovation projects. We will work with you to identify a package of services that best meets your project's needs.

Sectors: Commercial, Multifamily, Single Family
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Energy Auditing, Energy Modeling, HERS Rater, Passive House

  Midsize NESEA Business Member  

AKF Group

294 Washington St
Boston , Massachusetts 02108
Phone: (617) 737-1111

AKF creates high performing spaces that enable people to live, work, heal, and grow. We let the end user concentrate on their mission while we design spaces to optimize their work in a less carbon intensive world. We want educators to focus on teaching, doctors and patients on healing, business owners on productivity, and building owners on anticipating and executing on the changing needs of users.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Engineering, Lighting, Mechanical Systems

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

Alger Brook Design Build

4460 Vt-113
Thetford Center , Vermont 05075
Phone: (802) 727-6022

Alger Brook Design Build is a full service construction company serving Vermont and New Hampshire. We specialize in high performance single family homes, both new construction and renovation, as well as insulation and air-tightness services. We believe that with thoughtful design, responsible selection of materials, and meticulous craftsmanship we can create affordable homes that are comfortable, healthy, beautiful and long-lasting.

Service Area: New Hampshire, Vermont
Professional Specialties: Architecture/Design, Design/Build, Healthy Materials, Insulation, Remodeling/Renovation

Allied Engineering, Inc.

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

Allied Engineering 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


465 Kittredge Rd.
Bangor , Maine 04401
Phone: (207) 356-7748

At AMEND, we design, build, and improve on how homes are built. We design and build new homes, additions, remodels, and renovations. We focus on occupant comfort, energy efficiency, indoor air quality, and overall home performance. We design, we build, and we love to see great designs take shape. We acknowledge the benefits of an integrated design/build process for the convenience of our customers.

Sectors: Single Family
Service Area: Maine
Professional Specialties: Building Envelope, Deep Energy Retrofit, Design/Build, General Contractor, Indoor Air Quality, Net Zero, Passive House, Remodeling/Renovation, Windows

Anthony J. Musso Architect

10 Diamond Ct.
Huntington , New York 11743
Phone: (516) 606-0136

An architectural firm practicing sustainable architecture, interior architecture, landscape design and Passive House design. "The architecture for today respects the past while solving our contemporary needs in a responsible, sensible design."

Sectors: Single Family
Service Area: New York
Professional Specialties: Architecture/Design, Design/Build, Landscape Design, Passive House

ARCove Architects LLC

3 Congress St.
Portsmouth , New Hampshire 03801-4052
Phone: (603) 731-5187

ARCove serves clients who seek a more resilient, useful, and lasting environment. Bringing enduring solutions and high-performance technologies together with artistry and workmanship, our designs ensure utility and delight for functional and cherished spaces. ARCove is a specialty, expertise-focused architecture firm committed to the design of buildings that enhance opportunities for people and communities to thrive. Our designs for both new construction and adaptive reuse forge connections anchoring occupants to what lies beyond – the community, the environment, the environs, past events, and future opportunities.

Sectors: Single Family
WMBE: Women or BIPOC Owned
Service Area: New Hampshire
Professional Specialties: Architecture/Design, Historic Restoration, Remodeling/Renovation


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.