NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business and Academic Members. The directory is accessible to the public. Please let people know when you learned about their business through NESEA.

Select any desired filters, then click Apply to see the results.

Search Filters

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific states
Check boxes to limit your search to specific specialties

Sustainable Comfort, Inc.

146 Main St.
Ste. 301
Worcester , Massachusetts 01608
Phone: 508-713-6680

Sustainable Comfort is a consulting, development, and property management firm with expertise in energy efficient multifamily housing. SCI specializes in ENERGY Star Homes, LEED for Homes, Enterprise Green Communities, Passive House, HERS Rating, State Incentive Programs, and Code Compliance. We are a small group who hold the conviction that through better construction practice and management, we can help developers, architects, contractors and residents achieve healthier, resilient, and sustainable multi-family buildings. Our vision is to move the multifamily market to conscious development and management that results in sustainable buildings that support the people who build them, call them home and the communities that surround them.

Sectors: Multifamily
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont
Professional Specialties: Affordable Housing, Building Envelope, Carpentry/Cabinetry, Certification/Commissioning, Community Planning, Construction Management, Consulting, Deep Energy Retrofit, Development, Energy Modeling, General Contractor, HERS Rater, Incentives, Living Building Challenge, Net Zero, Passive House, Property Management, Real Estate, Remodeling/Renovation

Sustainable Energy Analytics

440 Totten Pond Rd.
Suite 201
Waltham , Massachusetts 02451
Phone: 781-790-5718

Sustainable Energy Analytics is a growing service company centered on Energy Efficiency and Resiliency in the Residential New Construction Sector. Our current product set includes energy code compliance/verification, state incentive program support, various energy, air, and resiliency certifications, building science consulting, HVAC equipment & building envelope testing, and premium energy audits. We offer our services primarily in eastern Massachusetts with occasional projects in the New England region.

Sectors: Multifamily
Service Area: Massachusetts
Professional Specialties: Consulting, Design/Build, Energy Monitoring, HERS Rater, HVAC, Indoor Air Quality, Insulation

SWZ Architects, LLC

1 Edgehill Rd.
Winchester , Massachusetts 01890
Phone: 617-890-8907

SWZ Architects LLC offers a full range of architectural services for new construction and renovation for a wide range of clients. The firm is service minded and comfortable handling projects of various sizes and locations throughout the United States. We love what we do and value working with others who share our enthusiasm and outlook.

Sectors: Single Family
Service Area: Massachusetts, New York
Professional Specialties: Architecture, Deep Energy Retrofit, Net Zero, Remodeling/Renovation

Symmetry Electric

244 Cedar St.
# 3
Somerville , Massachusetts 02145
Phone: 781-738-6180
Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Electrical

Taggart Construction, Inc.

10 South St.
Freeport , Maine 04032
Phone: 207-865-2281

Southern Maine’s pioneer in cutting edge, energy-efficient, green home construction and environmentally-friendly renovations. We specialize in building high-performance homes that thrive in all of Maine’s most rugged seasons.

Sectors: Commercial, Multifamily, Single Family
Service Area: Maine
Professional Specialties: Carpentry/Cabinetry, Construction Management, Deep Energy Retrofit, Design/Build, General Contractor, Healthy Materials, Historic Restoration, Net Zero, Passive House, Project Management, Property Management, Remodeling/Renovation, Windows

Tecogen, Inc.

45 First Ave.
Waltham , Massachusetts 02451
Phone: 781-466-6451

Energy efficiency re-imagined for tomorrow’s heating, cooling and power. Tecogen natural gas engine-driven cogeneration, air conditioning and water heaters supply electric power, cooling or hot water while free heat from the engine is recovered and purposefully used on site. Benefits are dramatic reductions in energy costs and greenhouse gas emissions. Backed by Tecogen engineers and maintenance professionals, customers are assured their equipment will perform well into the future. Visit us at

Sectors: Commercial, Industrial
Service Area: Entire Northeast Region
Professional Specialties: Cogeneration/CHP, HVAC

The Green Engineer, Inc.

23 Bradford St.
Concord , Massachusetts 01742
Phone: 978-369-8978

The Green Engineer, Inc. is a sustainable design consulting firm specializing in solutions to design, build, and operate buildings with improved energy efficiency and reduced impact on the environment. Founded in 2005 by Chris Schaffner, PE, LEED Fellow, the firm has a technical staff of fifteen LEED-Accredited Professionals. The expert team brings to the table experience and perspective from a variety of backgrounds including engineering, architecture, construction, planning, development, and public policy.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Massachusetts
Professional Specialties: Certification/Commissioning, Construction Management, Consulting, Energy Modeling, Engineering, Project Management

The Turett Collaborative

277 Broadway, Studio 1300
New York , New York 10007
Phone: 9176129086

Wayne Turett, founder and principal of The Turett Collaborative, is a licensed, LEED credentialed architect. Combining historic preservation and high efficiency design has always been a passion for Wayne. With New York City enacting stricter standards for energy efficient buildings, aiming to reduce building-based emissions by 30 percent by 2025 from a 2005 baseline, The Turett Collaborative is uniquely equipped to produce energy-efficient building designs that can adhere to Landmark and Preservation guidelines while also serving the needs of the client.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: New York
Professional Specialties: Architecture, Deep Energy Retrofit, Historic Restoration, Passive House

The Valle Group

70 E Falmouth Hwy.
Ste. 3
East Falmouth , Massachusetts 02536
Phone: 508-548-1450

The Valle Group sets the standard for thoughtfully-planned communities in southern New England. The company's special expertise is planning and creating communities of quality, energy-efficient homes, and building and remodeling for homeowners.

Sectors: Commercial, Single Family
Service Area: Massachusetts
Professional Specialties: Construction Management, Deep Energy Retrofit, Design/Build, Passive House

Thompson Johnson Woodworks

2 Island Ave.
Peaks Island , Maine 04108
Phone: 207-653-1392

Residential building and renovations in the Greater Portland Maine area. We employ best building practices in all aspects of each of our projects. We strive to incorporate highly efficient/green building standards and materials to the maximum extent possible on each of our projects.

Sectors: Single Family
Service Area: Maine
Professional Specialties: Deep Energy Retrofit, Design/Build, Remodeling/Renovation

  Industry Leader NESEA Member  

Thornton Tomasetti, Inc.

386 Fore St.
Ste. 401
Portland , Maine 04101
Phone: 2072456062

Thornton Tomasetti performs whole-building energy analysis and modeling throughout design and into occupancy to predict and measure operational performance. Advanced analytical tools allow us to offer data-driven strategies to maximize energy savings, increase occupant comfort, reduce carbon footprint and effectively incorporate renewable energy strategies. Our multidisciplinary staff consults on green building certifications including, but not limited to, LEED and Passive House. Our services range from complete administration to special calculations, simulations and services geared toward individual credit requirements.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Consulting, Energy Auditing, Energy Modeling, Engineering, Net Zero, Passive House

Thoughtforms Corporation

525 Massachusetts Ave.
Ste. 204
Acton , Massachusetts 01720
Phone: 978-263-6019

Thoughtforms Corporation specializes in building high-end custom homes and unique institutional buildings in eastern Massachusetts. Clients trust Thoughtforms to deliver custom quality in a transparent and informative way and to be a partner for the long-term. The quality clients expect extends far beyond the level-of-finish and what can be seen in the here-and-now and includes the health and comfort of the indoor environment, energy use, durability, and technology among other elements.

Sectors: Institutional, Single Family
Service Area: Massachusetts, New Hampshire, New York
Professional Specialties: Carpentry/Cabinetry, Construction Management, Consulting, Design/Build, Landscape Design, Passive House, 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 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.