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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94 S Pine Ave
Albany , New York 12208
Phone: (607) 351-6798

Providing design services for all phases of a project, from site layout to interior design, I incorporate the tenets of sustainable design into each project I create. My projects span from boutique office interiors to historic restorations and renovations. Simplicity, quality, and timelessness are the tenets that inform my design sense.

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

Decumanus Green Design/Build, Inc.

29 Edgewood Dr., Ste. 2
Lenox , Massachusetts 01240
Phone: (413) 281-0046

Decumanus Green provides both design and construction services. Whether you are looking to build new or remodel, we can help you visualize and realize a new home that fits within your budget. At Decumanus Green, we strive to make all of our building practices as environmentally responsible as possible and our homes and additions as energy-efficient as possible. We keep ourselves abreast of the constantly developing world of sustainable design and building.

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

  Midsize NESEA Business Member  

Delphi Construction

255 Bear Hill Rd.
Waltham , Massachusetts 02451
Phone: (781) 879-3603

At Delphi, we are committed to green building and sustainability. We provide training for all staff and work to improve our ability to deliver green/sustainable buildings to our clients. We strive to make Delphi an ever more sustainable company through improved corporate governance.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Massachusetts
Professional Specialties: Construction Management, General Contractor

Demand Management Institute, Inc. (DMI)

300 Chestnut St., Ste. 150
Needham , Massachusetts 02492
Phone: (781) 449-5700

DMI specializes in providing expert consulting and engineering services to improve energy efficiency and operation of commercial, industrial, institutional, and large-scale residential facilities. DMI has established itself as one of the most respected energy engineering firms in New England, with unsurpassed attention to detail and quality.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Certification/Commissioning, Consulting, Energy Auditing, Engineering, Incentives

DesignLights Consortium (DLC)

10 High St.
Medford , Massachusetts 02155
Phone: (301) 588-9387

The DLC is a non-profit organization improving energy efficiency, lighting quality, and the human experience in the built environment. We collaborate with utilities, energy efficiency programs, manufacturers, lighting designers, building owners, and government entities to create rigorous criteria for lighting performance that keeps up with the pace of technology. Together, we’re creating solutions for a better future with better lighting.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Lighting, Public Policy

  Midsize NESEA Business Member  

Dietz & Company Architects, Inc.

55 Frank B. Murray St. Ste. 201
Springfield , Massachusetts 01103
Phone: (413) 733-6798

For over 35 years, Dietz & Company Architects has been serving the architectural needs of private and public institutions, including the housing, education, hospitality, commercial, and historic preservation sectors. We are dedicated to interpreting our clients’ ideas while building healthy, sustainable communities. We routinely design high-performance buildings and implement a “best practice” approach for energy conservation and sustainable materials whenever it can be cost-effective for our clients. Our sustainable design achievements include affordable housing developments designed to be zero net energy and others that meet Enterprise Green Communities certification criteria.

Sectors: Commercial, Institutional, Multifamily
WMBE: Women or BIPOC Owned
Service Area: Connecticut, Massachusetts
Professional Specialties: Affordable Housing, Architecture/Design, Education, Historic Restoration, Remodeling/Renovation

Dominic Paul Mercadante Architecture

68 Waldo Ave.
Belfast , Maine 04915
Phone: (207) 338-4089

With over 20 years of experience, I bring creativity and attention to detail to my practice of residential architecture, creating buildings that perform well environmentally, functionally, and aesthetically.

Sectors: Single Family
Service Area: Maine
Professional Specialties: Architecture/Design, Consulting

Dover Housing Authority

62 Whittier St.
Dover , New Hampshire 03820
Phone: (603) 742-5804

We consist of neighborhoods of people—children, families, seniors and persons with disabilities --- living together making up a community of residents living along the Cocheco River starting at Whittier Falls in Dover, New Hampshire. Since the 1950’s, the Dover Housing Authority has served families, seniors and individuals with disabilities by providing rent subsidies for permanent housing to those qualifying for subsidies due to low household incomes. Each month 877 households are subsidized in our public housing program or the housing choice voucher program.

Sectors: Multifamily, Single Family
Service Area: New Hampshire
Professional Specialties: Affordable Housing, Community Planning

E2 Solar, Inc.

831 Main St., Rte. 6A
Dennis , Massachusetts 02638
Phone: (508) 694-7889

In 2008, E2 Solar was established to deliver high-quality photovoltaic systems to residents and businesses on Cape Cod and the South Shore. Since then, E2 has cultivated numerous local partnerships to help the community become more energy-independent. Jason Stoots and the entire staff at E2 Solar are committed to designing and installing exceptionally efficient, low-maintenance, long lasting solar energy systems. E2 offers SunPower PV modules with the highest efficiency and best warranty available. Talk with one of E2 Solar's qualified solar site analysts today.

Sectors: Commercial, Single Family
Service Area: Massachusetts
Professional Specialties: Photovoltaics


205 Newbury St., Ste. 203
Framingham , Massachusetts 01701
Phone: (774) 777-5121

We are bringing clean, efficient energy homes for every American. E4 = energy, economy, equity, environment. E4TheFuture promotes residential clean energy and sustainable resource solutions to advance climate protection and economic fairness by influencing federal, state, and local policies and by helping to build a resilient and vibrant energy efficiency and clean energy sector.

Sectors: Single Family
Service Area: Entire Northeast Region
Professional Specialties: Consumer Information, Education, Public Policy

  Midsize NESEA Business Member  

Earthshare Construction

20 West Park St. Ste. 309
Lebanon , New Hampshire 03766
Phone: (603) 790-3084

Earthshare Construction specializes in high-performance, energy-efficient, environmentally conscious building construction, retrofit, and weatherization. We offer design, build, energy auditing, and consulting services for new builds, renovation, retrofit, and weatherization projects. We are committed to using best practices in sustainable design and construction, incorporating natural, local, and nontoxic materials. We seek to constantly gain knowledge and expertise in contemporary environmentally responsible building methods and to create buildings that merge energy efficiency with durability, beauty, and functionality.

Sectors: Single Family
Service Area: New Hampshire, Vermont
Professional Specialties: Deep Energy Retrofit, Design/Build, Net Zero, Passive House, Remodeling/Renovation

eco_logic STUDIO, architecture & engineering, PLLC

2495 Main St., Ste. 431
Buffalo , New York 14214
Phone: (716) 834-9588

eco_logic STUDIO is an architecture, engineering, and planning firm focusing on green design and community revitalization. Specializing in high-performance new and retrofit design of custom homes, affordable housing, institutional facilities, commercial development, urban design and planning, and green infrastructure. Certified passive house designer, architects, and engineer on staff. Experience in natural building, solar systems, and living roofs. Architectural registration in NY, NJ, MI, NC, SC, and CT.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut, New Jersey, New York
Professional Specialties: Affordable Housing, Architecture/Design, Community Planning, Construction Management, Engineering


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.