NESEA Business Member Directory

Building passive and high-performance homes in Seacoast New Hampshire and Southern Maine Our mission is to build high-quality, energy-efficient, and environmentally conscious houses and—most importantly—to build strong relationships with our clients as we construct their dream homes. We work with homeowners from the design phase through the final walk-through, handling all the construction management for a seamless construction process.

Haycon is an award-winning Design/Build firm dedicated to innovating and diversifying Boston's built environment through our high-performance and Passive House building. The company was founded by Patrick Haydon and David Bemiss, two architects with a passion for, and interest in, the building delivery process. Our broad scope of services include pre-construction, construction management, design-assist, construction, and general contracting. Haycon's approach to guiding the design and entitlement process is such that critical information for permitting, scheduling, and cost is prioritized. We make sure to eliminate unnecessary soft costs and planning efforts in order to produce high-quality finished products in a timely manner.

Heat Loss Management is a team of highly qualified individuals that pride themselves on finding new ways to help builders and homeowners build and tighter homes and retrofit their existing structures. We specialize in air barrier sealing, blown in insulation and fire stopping. We are certified and trained in the leading cutting edge systems and methods to help you save money month after month. We work closely with HERS Raters and energy conservation companies designing tight homes and helping customers lower their carbon footprint. Heat Loss Management is an exclusive Aeroseal Envelope dealer.

HELM offers innovative business consulting, coaching, project management, and training services. Our experienced team members work with owners, designers, and builders to create high-performance buildings and businesses throughout North America. HELM's purpose is to revolutionize the construction industry, centering the triple bottom-line principles of planet, people, and prosperity to become a catalyst for climate justice.

HGA is a national interdisciplinary design firm committed to making a positive, lasting impact for our clients and communities through research-based, holistic solutions. As the impacts of climate change intensify, this mindset has become even more crucial—there is no time to waste. Every act of sustainable design, engineering, planning, and construction shapes our common future, and at HGA, we see this as both a responsibility and an opportunity. Through vision and strategy, we have advanced our sustainability commitments, built a portfolio of innovative, elegant solutions, and aligned our internal processes to position both our company and clients for maximum impact.

We bring global energy-efficient technologies—including heat pumps, heat-pump water heaters, and geothermal systems—to commercial and high-rise multifamily buildings in our target markets. Further, we seek to electrify and decarbonize both retrofits and new construction. We specialize in the most demanding buildings in the following verticals: commercial, high-rise multifamily, office, industrial, education, hospitality, healthcare, and government. The markets we work in include the New York City metropolitan area (all five boroughs), Long Island, Northern New Jersey, and Westchester County. Contact us for more information.

HMFH is an architecture firm committed to creating spaces that elevate users’ experience. While each of our projects is different in its response to context and program, our approach, which is predicated on a belief that the best architecture builds community, unites us. We design spaces that connect people­—whether across a campus, in a civic building, public or private institution, or living or working space.

HoldFast Communications specializes in creating innovative sales and marketing campaigns for construction, infrastructure, chemical, and sustainability marketing programs, as well as building product manufacturers. Our portfolio features award-winning examples of Sustainable Communications, Green Building Marketing, Building Materials Marketing - our work showcases our commitment to quality and excellence.
​Established in 2000 by Mary MacLeod, our comprehensive range of services encompasses personalized consulting, support for product launches, rebranding initiatives, and sales representation. We proudly represent companies, nonprofits, and individuals who actively strive to make a positive impact on the world, one step at a time.

HTS New England runs the gamut of providing custom HVAC solutions for projects of all sizes in the commercial, institutional, and industrial sectors. We continue to succeed over the competition – whether our clients need energy-recovery systems or high-efficiency chillers – because our equipment is invariably dependable and consistently low on maintenance. Our engineering and technical specialists become heavily involved in every project's research and design phase to provide counsel, product education, specifications, a 24-hour turnaround on shop drawings, Revit® images, and any other support architectural and MEP teams need to accomplish their client goals.

Huber Engineered Woods strives to create innovative products that suit their customers' needs. Each delivers outstanding performance, easy installation, and greater strength in single-family, multifamily, and light commercial projects. Huber's ZIP System Sheathing & Tape are structural wood panels with built-in protective barriers, eliminating the need for building wrap or felt and providing a continuous rigid moisture and air barrier that optimizes energy efficiency. Additionally, Huber's AdvanTech Subflooring product is proven to achieve superior strength and moisture resistance for subflooring that won't swell, cup, delaminate, or bounce even under the toughest conditions.

Formed in 1991, HVP has become one of the foremost companies for historic and modern renovations in the Hudson Valley and Connecticut. We also offer historic preservation consulting expertise in the areas of architectural history and assessment, preservation planning, restoration and rehabilitation design, and grant writing.

For more than 30 years, the team at Hutker Architects has been helping families and individuals create one-of-a-kind homes in New England. Our process begins with listening. We work together to develop a program of indoor and outdoor spaces that best support how you live, work, and play.