NESEA Business Member Directory

With many decades of experience, we can help you design and build your home or addition through an iterative process using 3D modeling. As designers and builders, we are afforded a unique perspective when helping to determine priorities and strike a balance between cost, performance, and aesthetics.

Decumanus Green provides both design and construction services. Whether you want to build a new home or remodel, we can help you visualize and realize a new home that fits 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.

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

Denair HVAC was established in March 2007 with one man and a beat-up used truck. The progress was obvious when the all-in-one truck headquarters had moved to the apartment living room “office” where blueprints had been rolled out all over the floor. Twelve years later, the organization was recognized by the Inc. 5000 as one of America’s fastest-growing and most successful companies. With the designed company’s operation transparency, we have attracted the HVAC industry professionals who have become a strong part of our leadership team, taking the company to the next level year after year. Denair services all five NYC boroughs and the surrounding areas.

Providing HVAC and plumbing engineering services Since 1988.

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

DXS are the industry experts in variable refrigerant flow (VRF), air source heat pumps (ASHPs), ventilation, and complimentary systems for high-efficiency and low-carbon buildings. Our teams offer a full array of solutions to design and deliver climate solutions to meet the requirements of your new or existing built environment. We educate ourselves and the industry on the latest technologies and market trends. Our services cover the full spectrum of your HVAC needs, from estimating to design to start-up and beyond, with ongoing training and preventative maintenance. Contact us today to learn more or to schedule a visit.

E-3 Energy Advisors, LLC is a New York State Certified Service-Disabled Veteran-Owned Small Business that delivers expert energy consulting services to commercial, industrial, and municipal clients across the United States. As a trusted energy partner, we specialize in energy procurement, efficiency measures, long-term energy strategy, and project execution, including electrification, compliance, and emerging technologies like EV charging and battery storage.

In 2008, E2 Solar was established to deliver high-quality photovoltaic systems to residents and businesses on Cape Cod and areas of Plymouth. 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 industry-leading PV modules with the highest efficiency and the best warranties. Talk with one of E2 Solar's qualified solar analysts today.

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.

EastRise Credit Union is a Vermont-based credit union with practical financial solutions that reduce the cost of financing energy efficiency and renewable projects. We are proud to partner with Northeast Sustainable Energy Association (NESEA) to offer our affordable Green Loan options across the Northeast.

eco_logic STUDIO is an architecture, engineering, and planning firm focusing on green design and community revitalization and 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 designers, architects, and engineers on staff. Experience in natural building, solar systems, and living roofs. Architectural registration in NY, NJ, MI, NC, SC, and CT.