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.

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Second Street Associates, LLC

516 E 2nd St.
Boston , Massachusetts 02127
Phone: 617-821-2429

Second Street Associates is a real estate developer in South Boston, currently building a 65 residential unit Passivhaus, along with café, food store, greenhouse, theatre, roof gardens, and transportation system for the 300 people who will be on the site. Passivhaus buildings use 90% – 95% less energy for heating and cooling than new buildings to code, and 70% reductions overall. We use environmentally state of the art materials and technologies, most imported from Europe, and are developing our own innovative technologies around Interior Air Quality, transportation, urban food, health and exercise, and natural light management.

Sectors: Multifamily
Service Area: Massachusetts
Professional Specialties: Community Planning, Development, Passive House, Real Estate

Sellars Lathrop Architects, LLC

1 Kings Hwy. N
Westport , Connecticut 06880
Phone: 203-222-0229

Small, woman-owned firm designing upgrades, additions and renovations for 21st century living. Primary projects are residential and light commercial work in Fairfield County, CT., emphasizing energy efficiency and smart building technologies to create high quality solutions with character and style.

Sectors: Single Family
Service Area: Connecticut
Professional Specialties: Architecture, Design/Build, Remodeling/Renovation

Shoreline Builders, Inc.

364 CJ Cushing Hwy.
Scituate , Massachusetts 02066
Phone: 781-544-3360

Shoreline Builders provides new-construction and addition / renovation services to residents on Boston's south shore and Cape Cod. Our approach to developing a High-Performance Home is to craft a plan that results in a durable, comfortable, healthy, energy efficient and environmentally responsible place for our clients to live. At Shoreline Builders, we create an experienced collaborative team of Client / Architect / Builder that combines our expertise in design, building science and project delivery with the values of our clients.

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

Smart Energy of New England, Inc.

PO Box 56
Colebrook , New Hampshire 03576
Phone: 800-608-5840

Smart Energy of New England is a seven-year-old corporation located in Columbia, New Hampshire. We serve New Hampshire, Vermont and Maine as well as the Bahamas. We are an up-and-coming provider of energy efficient systems, both commercial and residential. Our main focus is on Solar Photovoltaic Systems and we are becoming well-known for our attention to detail and our satisfied-customer business model. We are currently increasing our presence in the international marketplace with new projects in the Bahamas and potential projects in Africa. Our mission is to introduce our customers to local natural resources to save them money while reducing our collective carbon footprint and decreasing our dependence on fossil fuels and imports.

Sectors: Commercial, Single Family
Service Area: Maine, New Hampshire, Vermont
Professional Specialties: Consulting, Photovoltaics, Solar Thermal, Wind


116 Pleasant St.
EastWorks 254
Easthampton , Massachusetts 01027
Phone: 413-687-2853

SolaBlock LLC manufactures permanently PV-clad building materials, providing a cost-competitive solar solution to meet most of the electric load in a energy-efficient building.

Sectors: Commercial, Institutional, Industrial
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Community Planning, Net Zero, Passive House, Photovoltaics

Solar Store of Greenfield

2 Fiske Ave.
Greenfield , Massachusetts 01301
Phone: 413-772-3122

Local Western MA renewable energy consultants in a brick and mortar storefront. We provide advice, design, and installation of Solar PV and Hot Water systems for residential and commercial settings. All projects are turnkey covering all permits, incentives, utility interconnection and SREC aggregation. We also offer battery backup systems for grid and off-grid PV systems. Additionally, composting toilets, biodiesel, solar clothes drying racks, books and Eat More Kale t-shirts are available.

Sectors: Commercial, Single Family
Service Area: Massachusetts
Professional Specialties: Consulting, Energy Storage, Photovoltaics, Solar Thermal

Solar Wave Energy, Inc.

31 Cambridge Ter.
Cambridge , Massachusetts 02140
Phone: 617-242-2150

Solar Wave Energy has been installing and servicing solar energy systems since 1978. Today we provide controller integrated web-based monitoring for solar thermal (heating & hot water) systems allowing installers and building owners to oversee and manage their systems remotely. We currently have integrated performance monitoring for solar controllers including Resol, Caleffi, Stiebel Eltron, Viessmann and more. Call or see demo at

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Energy Auditing, Energy Monitoring, Solar Thermal


1501 W Tufts Ave Ste 208
Englewood , Colorado 80110
Phone: 720-474-6050

Solaris distributes solar panels and complete solar power systems for residential and commercial applications. We enable do it yourself homeowners and installers to go solar for less, with wholesale pricing, quality components and excellent customer service.

Sectors: Commercial, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Building Supply, Photovoltaics

Solect Energy Development

89 Hayden Rowe St.
Ste. E
Hopkinton , Massachusetts 01748
Phone: 508-598-3511

Solect, Inc. is a solar renewable energy development company focused on the deployment of solar photovoltaic (PV) systems. Solect works with the appropriate financial partners to fund the deployment of solar renewable energy systems.

Sectors: Commercial, Institutional, Industrial
Service Area: Massachusetts
Professional Specialties: Incentives, Photovoltaics, Public Policy

SOTA Construction Services, Inc.

80 Union Ave.
Pittsburgh , Pennsylvania 15202
Phone: 412-766-4630

We are a leading regional provider of sophisticated, cost-effective sustainable buildings, with our experience ranging widely over the decades from LEED, Energy Star, and now including Passive House. As part of our commitment to better and healthier buildings, we are a financial supporter of the Green Building Alliance and Conservation Consultants, Inc., in Pittsburgh and have been a long-time member of the United States Green Building Council. Our president, Ernie Sota, has been involved in sustainable approaches to construction since 1977, creating one of Pittsburgh's very first green buildings in the Roland Street Urban Rooftop Bio-shelter.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Pennsylvania
Professional Specialties: Construction Management, Passive House, Project Management

  Industry Leader NESEA Member  

South Mountain Company

15 Red Arrow Rd.
PO Box 1260
West Tisbury , Massachusetts 02575
Phone: 508-693-4850

South Mountain Company is a fully integrated architecture, engineering, building, and renewable energy firm located on Martha’s Vineyard. SMC is employee-owned; 21 of its 35 employees are owners and the rest are on a track to ownership. We are committed to a Triple Bottom Line, which means that people, planet, and profit are all equally important to us – balancing profits with environmental restoration, social justice, and community engagement.

Sectors: Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture, Deep Energy Retrofit, Design/Build, Engineering, Net Zero, Photovoltaics

Sparhawk Group

81 Bridge St.
Ste. 107
Yarmouth , Maine 04096
Phone: 207-846-7726

From offices in New York City and Portland, Maine, we have driven energy efficiency into over 25,000 units of multifamily buildings, commissioned $900+ million in new construction and provided leadership in energy efficiency since 1990. Early in the company's history, Sparhawk Group began with pay-for-performance energy efficiency projects delivering 3.5 megawatts of electrical power conservation at industrial, institutional, commercial and government buildings. These projects were commissioned to ensure savings, and thus payments for performance, were realized. This grounding in energy performance and commissioning drives our company vision to this day.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Maine, Massachusetts, New Hampshire, New Jersey, New York
Professional Specialties: Certification/Commissioning, Consulting, Energy Auditing, Engineering, Mechanical Systems


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.