NESEA Business Member Directory

As a Massachusetts Home Performance Contractor, Valley Home Insulation delivers residential insulation and weatherization services to homes across Massachusetts. We strive to understand our customers' needs better and deliver high-quality work. Our goal is to help our customers achieve long-term utility cost savings while making their homes healthier and more comfortable.

Since 1930, van Zelm Heywood & Shadford has been devoted to planning, studying, and designing mechanical and electrical systems for the built environment. With projects ranging in size from small studies to significant designs, we work for clients, including internationally renowned architects, major corporations, and world-renowned institutions. Long a proponent of sustainable design, van Zelm supports the growing global commitment to environmental conservation. We are proud to have contributed to the design of award-winning Living Building Challenge projects and LEED-certified buildings that have verified Gold and Platinum level energy conservation and efficiency.

VEIC is an organization on a mission to generate the energy solutions the world needs. For over 35 years, VEIC has worked with governments, utilities, foundations, and businesses across North America to develop and deploy clean-energy services that provide immediate and lasting change. VEIC has expertise in energy efficiency, building decarbonization, transportation electrification, and demand management for a clean and flexible grid. VEIC is nationally recognized for programs and pilots that optimize energy use and reduce energy burdens for low-income customers. In addition to our consulting business, VEIC administers three sustainable energy programs: Efficiency Vermont, Efficiency Smart, and the DC Sustainable Energy Utility.

VGS is a leader in a growing effort to decarbonize North America’s gas infrastructure. In 2019, VGS announced a comprehensive plan to achieve Net Zero by 2050. VGS has made steady progress toward its goal. The organization continues to align its actions with existing and emerging statewide energy policy. These include increasing access to weatherization services for Vermonters, offering products that reduce fossil fuel use and cut greenhouse gas (GHG) emissions in customers’ homes, and developing alternative low- or no-carbon renewable supply sources to displace fossil gas.

Vermont Integrated Architecture (VIA) is a full-service architectural design firm. We strive to strengthen communities, support local economies, and sustain healthy environments while creating beautiful, functional spaces.

Warren Construction Group's guiding principle is to successfully plan and build each project to the highest possible level of satisfaction for both the client and architect. Our staff is comprised of talented, experienced craftsmen, carpenters, managers, and field personnel, who are dedicated to the development and realization of the commercial, institutional, and residential projects we undertake. We work with a broad spectrum of like-minded trades people and subcontractors who share our work ethic, who adhere to safe building practices, and who perform their jobs to our exacting specifications.

Gabriel Erde-Cohen founded We Clean Heat Pumps in Vermont in 2018 when he filled a pressing need in the family Solar/HVAC business. We don't install heat pumps or service broken units. We provide a service that every installer, property manager, and homeowner with a heat pump needs: We Clean Heat Pumps. We do one thing, and we do it well. WCHP is a Living Wage Employer.

We provide an array of energy rating and renewable energy consulting services to single—and multi-family housing builders, including HERS, Energy Star, and PHIUS ratings.

We are a second-generation residential construction firm dedicated to building and remodeling high-quality, design-forward, sustainable homes. We focus on renovations, additions, and remodeling in the greater Somerville | Cambridge, Mass. area, Wenham, and the North Shore. We take pride in using the most advanced building techniques and materials available.

Founded in 2020, West Work is a certified Women-Owned Business Enterprise (WBE) committed to providing elegant design that is sustainable and resource-responsible. Led by Katie Faulkner, a talented team brings perspectives from various cultural and international backgrounds with a shared commitment to environmentally respectful architecture, best facilitated by performance analysis and energy modeling embedded within the design process.

We are a residential architecture firm focused on sustainable design. We build a framework to support your dreams, while drawing inspiration from the natural world. Our aesthetic approach is centered around simplicity, elegance and a deep understanding of your visions. Sustainable design, green building, high performance building, natural building, by whatever name you choose to call it, designing with sensitivity to the environment in all aspects is our second philosophical pillar. This field is in its adolescence, and we are constantly educating ourselves to stay on top of the latest innovations in design strategies and newest (or oldest in the case of natural building) building materials. We are a Certified Passive House Consultant and a Certified Permaculture Design Consultant company.