NESEA Business Member Directory

Full-service builder/designer for energy-efficient residential construction in the NH lakes region. Timber-framing and advanced hybrid construction, with solar thermal system design and installation expertise since 1978. Our Sandwich cabinet shop can furnish your project as well.

Focusing on rural homes in New England with emphasis on excellent plans, emotionally uplifting spaces, low energy use, tactile and locally sourced materials, and a very collaborative process.

The ROCKWOOL Group is the world's leading manufacturer of stone wool insulation. We offer a full range of high-performing and sustainable insulation products for the construction industry. Our insulation products are based on innovative stone wool technology; today, we are the world's leading manufacturer of stone wool insulation. The ROCKWOOL group also includes a range of sister companies delivering specialist solutions for the horticultural, marine, and offshore sectors. We are committed to empowering everyone to rise to the development challenges of modern living. By using stone, one of the world's most abundant natural resources, you can make a lasting impact across generations.

Roxbury Community College is a co-educational public institution of higher education offering Associate Degrees and certificate programs. RCC's primary objective is to provide residents of the Commonwealth, specifically those individuals living in the greater Boston area, "optimum opportunity for access to a college education consistent with their interests and aptitudes and to reduce to a minimum economic, social, psychological and academic barriers to educational opportunity." The college's goals result from ideas generated by and from the college community and reflect a response to the needs of the larger Roxbury community.

Our specialty is environmentally sensitive residential work in the New England region. We enjoy the collaborative process of bringing ideas to fruition with clients and their contractors.

RSI is your primary contractor for any ventilation cleaning, sealing, or multi family exhaust ventilation building performance/energy performance retrofit work throughout the Tri-State Region. RSI has the capabilities to video, inspect, clean, mastic seal, robotic mastic seal, fire caulk, Aeroseal, conduct manometer and anonometer readings, install CARs, provide pre and post reporting with documented leakage reports, videos and snapshots. We are twenty five technicians strong, better equipped, better trained, and have over 25 years of successful projects in this business. RSI provides the highest quality product for your customers at the most competitive prices.

RST Thermal is a manufacturer’s representative in the New England area covering Eastern Massachusetts, New Hampshire, Maine, Connecticut, and Rhode Island for multiple leading manufacturers whose products offer a systems approach to comfortable heating and cooling. We provide technical and sales support to our wholesale distributor partners and contractors. For homeowners, we provide geographic lists of installing and servicing contractors to help them find the “best fit” for the project to be done.

Award-winning, full-service Boston area residential design-build company committed to responsible design and construction practices. Experts in energy efficiency and weatherization.

Founded in 2014 by Chris Harris and Alissa Hike Harris, Salt Architecture provides full-service custom residential architectural services for Cape Cod, Martha's Vineyard, Nantucket, and the greater Massachusetts and Rhode Island area. Our focus is on thoughtful, sustainable, and contextual design for your home.

Sash and Frame is a partnership whose members are experts in and advocates for European-style and High-Performance fenestration. We draw on our combined experience designing, manufacturing, implementing, and installing windows and doors to bring the highest level of expertise and service to our clients.