NESEA Business Member Directory

Solutions for Every Degree provides expert HVAC and MEP consulting engineering services, specializing in energy-efficient systems for residential and commercial applications in New England. They focus on sustainable, high-performance solutions, including mini-split systems, geothermal heating, and smart technology to optimize energy usage and reduce costs.

South Mountain Company (SMCo) is an integrated architecture and engineering, building, interior, and solar company located in West Tisbury, MA (on the island of Martha’s Vineyard). Our staff of 40 includes architects, engineers, interior designers, carpenters, cabinetmakers, solar installers, and administrators - all rolled into one multi-disciplinary team. We are a triple-bottom-lined worker-owned cooperative and certified B-Corp. Our mission is to uplift our community and environment by designing and building for a just future.

We approach each project as an opportunity to use our professional skills to create buildings that exemplify the right balance between aesthetic integrity and environmental concerns. Sustainable design encourages us to use our resources efficiently while creating healthier buildings. As the Principal Architect, Sheldon Pennoyer is committed to being directly involved with each design from start to finish, ensuring that your project, both architecturally and environmentally, equals your highest expectations.

In addition to innovating small duct high-velocity systems, SpacePak is the industry leader in air-to-water heat pump technology since introducing the modern hydronic solution to the North American market in 2011. Since then, SpacePak has taken great pride in being the driving force behind this promising technology's adoption and helping accelerate our country's shift toward a cleaner and greener future. Thanks to our parent company, Mestek, and its 75-year-long history as an expert and leader in hydronic heating and cooling, SpacePak has found itself uniquely qualified to provide industry professionals with the proper training, support, and equipment that an emerging market demands.

We provide a comprehensive range of architectural services, including building and interior design, master planning, programming, and project visualization. Our mission is to provide clients with innovative design solutions that evolve from each client's challenges and parameters. Our rigorous attention to detail, design sensitivity, and principal-level involvement ensures well-crafted projects, each uniquely suited to the client, the program, and the site. Our practice seeks to link social responsibility and sustainable practices with built expression. We are committed to designing buildings that conserve resources, incorporate renewable energy systems, and provide healthy environments.

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.

Square & Plumb Builders is an established full-service remodeling and new construction-focused company that strives to be the best in our industry. We have been meeting the unique needs of our residential customers by using our talents to provide each of our clients with a place that they’re proud to call their own. Creating spaces for families to grow, friends to gather, and memories to flourish is our specialty, and we can’t wait to show you what we can do.

SRsolarNH is NH-based, family-run solar installer focused on providing competitive, customized, direct-owner service without salespeople. Recognized as a 2025 EnergySage Installer of the Year, they specialize in residential solar, offering $0 down financing, and custom system designs.

We have been exceeding expectations, on time and on budget, for 25 years. We design solutions that think beyond the boundaries and establish a sphere of culture for smart clients. Well-formed environments result from well-informed clients and design teams working together to integrate the social facts of the common environment. Clients need an established partner to protect their interests and deliver spaces that serve a social purpose. Remarkable spaces don’t just happen. We solve problems, initiate social progress, and humanize environments.

Star Contracting is a family-run general contracting firm with over 40 years of experience. Our company is focused on custom homes, multi-family residential construction, additions, and substantial home renovations. We look to Passive House and other performance-based building standards like Net-Zero Energy and the Pretty Good House standard as exemplary models for achieving high-quality buildings that provide long-term value for owners and address our energy and climate goals for the coming decades. In addition to our general contracting & building services, we offer pre-construction consulting, construction management, and home maintenance & care plans. Star Contracting serves clients throughout the Greater Boston area.

Sustainable architecture, planning, landscape design. New construction and renovations. Green historic preservation, feasibility studies, zoning studies and, adaptive reuse; all building types.

Stephen Turner is dedicated to providing comprehensive commissioning services. Commissioning is a quality process verifying and documenting that a completed project or existing building meets the owner’s needs and expectations. Our firm provides commissioning services in all forms – new building commissioning, renovation commissioning, retro-commissioning, ongoing commissioning of existing buildings, commissioning of system retrofits, and recommissioning for reopening.