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.

Policy on Appropriate Use

To maintain the integrity of this valuable network, it is important to ensure that our member information is protected and used responsibly. Before accessing the membership directory, please review our policy on appropriate use.

Search Filters

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

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific states
Search for listings that include these words or a quoted phrase
Check boxes to limit your search to specific specialties

TE2 Engineering

200 Reservoir St. Suite 204
Needham , Massachusetts 02494
Phone: (781) 334-8323

TE2 grew out of an unfilled need to design “high-performance” HVAC systems that were Comfortable, Quiet, and promoted healthy Indoor Air Quality (IAQ). Established in 2010, the company has grown to provide a list of engineering services such as building/energy analysis, mechanical, electrical, plumbing, and fire protection (MEP/FP) design, and renewable energy design. The company also serves various markets such as residential, multi-family, office/retail, hotel, and data center projects, including LEED and Passive House projects. Comfort and Efficiency- One building at a time.

Sectors: Commercial, Multifamily, Single Family
Service Area: Connecticut, Massachusetts, New Hampshire, Rhode Island
Professional Specialties: Consulting, Engineering, General Contractor, HVAC, Mechanical Systems, Net Zero, Water Heating

Terra Design-Build

20 East St.
Dalton , Massachusetts 01226
Phone: (413) 464-2913

Terra Design-Build provides residential and light commercial design services for renovations, additions, adaptive reuse, new homes, building evaluations, and energy consultations. Our guiding principles are to use sustainable design principles, seek out earth-friendly material choices, and reduce fossil fuel use and carbon emissions. Owner/Architect Wendy Brown, AIA, has been involved in Berkshire County building since she started as a drafter for BETNR Construction at age 15 back in the 1980's. She's licensed in Massachusetts and Vermont. We prefer to have the Owner, Architect, and Contractor work as a team for collaborative results.

Sectors: Single Family
WMBE: Women or BIPOC Owned, BuildingEnergy Access Program Participant
Service Area: Massachusetts, Vermont
Professional Specialties: Architecture/Design, Design/Build, Net Zero, Remodeling/Renovation

  Midsize NESEA Business Member  

The Green Engineer, Inc.

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

The Green Engineer is a design consulting firm specializing in energy efficient and sustainable design solutions for the built environment. Founded in 2005 by Chris Schaffner, PE, LEED Fellow, the firm has a technical staff of twenty 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. To date, we have managed or been involved in more than 200 LEED-certified projects in New England and around the country, including 14 LEED Platinum projects.

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: (917) 612-9086

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/Design, 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, Remodeling/Renovation

  Industry Leader NESEA Member  

Thornton Tomasetti

14 York St., Ste. 201
Portland , Maine 04101
Phone: (207) 245-6060

Thornton Tomasetti collaborates on the design of sustainable buildings to provide innovative solutions that greatly reduce operational and embodied carbon and contribute to more resilient buildings and communities. Using whole building environmental and advanced energy analysis, we’ll help you make sure your buildings are performing at the highest level for optimal operational performance and occupant comfort. Our multidisciplinary staff consults on green building certifications, including Passive House Certification, Net Zero Energy Buildings, Living Building Challenge design, Embodied Carbon Optimization, and BECx Commissioning.

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

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 long term partner. 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
Professional Specialties: Carpentry/Cabinetry, Construction Management, Consulting, Passive House, Remodeling/Renovation

Threshold Building Co.

PO Box 103
Shelburne Falls , Massachusetts 01370
Phone: (413) 522-7949

With dedication to craft, people, and place, Threshold Building Co. offers the highest quality finish work, timber frames, and high-performance buildings to the community of Western Massachusetts and beyond. We lead a committed client, a forward-thinking design team, talented builders, and excellent subcontractors to complete projects with integrity and beauty. These projects combine form and function for how people live today, providing durability for the future. Threshold’s mission is to provide Western Massachusetts with comprehensive building services focusing on quality craftsmanship, sustainable building practices, and clear customer communication.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Construction Management, Deep Energy Retrofit, Design/Build, Remodeling/Renovation, Timber Framing

TimberHomes Vermont

21 Fork Rd.
Montpelier , Vermont 05602
Phone: (802) 685-7974

We specialize in designing and building natural, soulful, resilient and energy efficient homes, timber frames, tree forms, scribe work, Vermont materials, net zero homes, timber framed solar pavilions, barns & outdoor structures, spiral stairs & compound roofs.

Sectors: Single Family
Service Area: Vermont
Professional Specialties: Construction Management, Design/Build, Net Zero, Timber Framing

  Midsize NESEA Business Member  

TimberHP

1 Main St.
Madison , Maine 04950
Phone: (508) 651-6897

TimberHP by GO Lab, Inc. is a privately held, Maine-based building products corporation founded in 2017 to develop and manufacture wood fiber insulation for the residential and light commercial construction markets. Wood fiberboard, batt, and blown-in high-performance insulation products are vapor open, renewable, recyclable, nontoxic, carbon sequestering, and, when manufactured here in America, cost-competitive with other popular insulation products. In 2023, GO Lab will become one of the first companies to make wood fiber insulation in North America at its manufacturing facility in Madison, Maine.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Insulation, Research

Timeless Architecture

147 School St.
Milton , Massachusetts 02186
Phone: (617) 696-6448

Mr. MacLean is an architect, educator, and licensed builder who began his career as a project manager with a number of large architectural firms in Boston before he started his own firm, Timeless Architecture, in 1988. He has been promoting and teaching green design for 35 years, beginning with the Boston Society for Architecture, where he served as co-chair of the Committee on the Environment (COTE), a sub-committee that promotes sustainable design in the New England Region. He has taught and developed ongoing curricula at the Boston Architectural College, Sustainable Design Institute, and Master’s program, as well as Wentworth Institute of Technology.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture/Design, Design/Build, Historic Restoration, Net Zero, Remodeling/Renovation

  Midsize NESEA Business Member  

Trillium Architects, LLC

16 Bailey Ave.
Ridgefield , Connecticut 06877
Phone: (203) 438-4540

We are a woman-owned and operated full-service architecture and design firm. At Trillium, we design intelligent quality architecture and endeavor to cultivate beauty and delight. We are trained in and highly aware of aesthetics and the human spatial experience. We believe in designing houses that you would be proud to leave your grandchildren - as unique as the people who occupy them and as beautiful as the natural world that surrounds them.

Sectors: Single Family
WMBE: Women or BIPOC Owned
Service Area: Connecticut, New York
Professional Specialties: Architecture/Design, Deep Energy Retrofit, Design/Build, Net Zero, Remodeling/Renovation

Pages

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.