Sustainable Green Pages

The premier resource for sustainability professionals in the Northeast

Green professionals: find new partners & collaborators. 
Green consumers: find the pro to help with your next project.

(Fill in the search criteria to the left to search the directory.)

A listing in the Sustainable Green Pages is a benefit of a NESEA business membership.  The Sustainable Green Pages is published online and in print (fall issue of BuildingEnergy magazine, circulation 6000).  If you would like to be included in the directory, join NESEA today as a business member. Business memberships start at $250.

475 High Performance Building Supply

334 Douglass Street
Brooklyn , New York 11212
Phone: 800-995-6329

475 High Performance Building Supply (475) provides essential building knowledge and components to building professionals. 475 helps make more durable, resilient, ecological, and energy-efficient buildings that optimize occupant comfort and health. We enable the building improvements required to dramatically reduce our energy demand and address our climate crisis. We are an ecommerce-based catalyst in the transformation of US construction to high-performance, low-energy and Passive House buildings. The name “475” is a reference to the heat demand requirement of the Passive House Standard, 4.75 kilo BTUs per square foot per year. Passive House is the gold standard for high performance construction today.

Professional Specialties: Envelope & Enclosure, Insulation, Manufacturing, Passive Housing, Windows

A & B Cooling

PO Box 1356, 660 Nutmeg Road North
South Windsor , Connecticut 06074
Phone: 860-528-4436

Geothermal specialists since 1995, LEED Gold and Silver designer and installer, custom fabricated duct systems, radiant floor systems, heat and energy recovery ventilation systems.

Professional Specialties: Geothermal, HVAC, Indoor Air Quality, Mechanical Systems & Lighting

A.W. Hastings & Co.

2 Pearson Way
Enfield , Connecticut 06082

As a leading distributor for Marvin Windows & Doors, A.W. Hastings & Co partners with its retailer network to bring their customers' vision to life throughout the northeast. Made in the USA and sold and serviced locally, Marvin products are manufactured with sustainability in mind, starting with design and continuing through the entire life cycle of every project, always with an emphasis on long-term durability, efficiency and quality. Whether your project is passive house, Net Zero, or a home that simply uses elements of sustainable design, the Marvin Family of Brands provides solutions you need - including dual pane and tri-pane options yielding total window U-Factor values as low as .15.

Professional Specialties: Windows

A3 Architects, Inc.

831 Main Street
Dennis , Massachusetts 02638
Phone: 774-487-0547

A full service architectural firm specializing in environmentally responsible design for commercial and residential projects throughout Cape Cod, Islands and South Coast. We offer net-energy zero design including Passive House certification and specialize in coordinating with various renewable energy systems.

Professional Specialties: Architecture, Energy Conservation, Insulation

Acuity Power Group, Inc.

37 Walnut Street, Suite 300
Wellesley Hills , Massachusetts 02481
Phone: 617-308-0883

Consulting Engineers in Renewable Power Generation, Energy Storage and Efficiency Systems. Technologies include: Solar PV, Wind Turbines to 1.5MW, battery storage (traditional & advanced), UPS systems, fuel cells, biomass, co-gen, LED & DC lighting systems.

Professional Specialties: Consultancy, Engineering, Fuel Cell, Lighting Design


601 Islington Street, Suite 202
Portsmouth , New Hampshire 03801
Phone: 603-205-2155

AdaptDESIGN is all about design for sustainable living. To us sustainable living is not about fad and fashion as much as about long term planning and commitment to an ongoing architectural experience. We incorporate all components - site orientation, human relationships and connections, materials choices that show and grow, and lighting arrays that define your built form. AdaptDESIGN seeks out and embraces the new while refreshing past lessons. Collaborating with your ideas, welcoming everyone involved, and shaping all variables into creative solutions. We believe the best designs arise from looking at issues from all perspectives.

Professional Specialties: Architecture

Advanced Solar Products, Inc.

270 South Main St. Suite 203
Flemington , New Jersey 08822
Phone: 908-751-5815

Advanced Solar Products, Inc (ASP) has been in the business of designing, building and maintaining solar photovoltaic systems for over 21 years. As leaders in the development of renewable energy policy and promoting “green” (LEED) construction, the principals of Advanced Solar Products have been instrumental in moving the solar industry forward for the past two decades.

Professional Specialties: Alternative Energy, Photovoltaics

Aegis Energy Services

55 Jackson Street
Holyoke , Massachusetts 01040
Phone: 413-536-1156

Aegis Energy Services is an innovative, full service Combined Heat and Power (CHP) company based in Holyoke, MA. Founded in 1985, Aegis Energy Services' modular systems are currently utilized across the Northeast and Mid-Atlantic providing sustainable, clean power options for a wide array of customers. Aegis assists a variety of facilities in reducing both energy costs and emissions, from healthcare and assisted living facilities, to recreational and multi-unit residential complexes, and hotels. There are also institutional, educational, and industrial facility applications.

Professional Specialties: Alternative Energy, Energy Conservation, Manufacturing

Air Barrier Solutions, Inc.

257 Middle Road
Crown Point , New York 12928
Phone: 877-226-2641

We provide air barrier and insulation inspection/audit services, including bulk foam installation, across the U.S. and Canada. All of our projects begin with a state-of-the-art diagnostic evaluation. Customized retrofit plans are developed for each building. The scope of the work is implemented by Air Barrier Solution's own crews and project managers, using proprietary, quality assurance, and measurement verification methodologies.

Professional Specialties: Consultancy, Energy Auditing, Insulation

Aley Building Contractors

185 Wilton Road
Westport , Connecticut 06880
Phone: 203-226-9933

We specialize in energy efficient home remodeling, green building & historic preservation. Our projects include additions, bathrooms, kitchens and whole house renovations that blend seamlessly with the architectural style & period details of your home while enhancing its energy efficiency, functionality and comfort. We pride ourselves on attention to detail, and re-enforce our commitment to high standards through ongoing education in energy efficiency and sustainable building materials and methods. We strive to establish a relationship with our clients based on trust and integrity. Whether an addition, historic renovation, energy efficiency improvements or new Energy Star home, we maintain the highest standards and see each project through, from inception to completion.

Professional Specialties: Alternative Energy, Building Design & Construction, Energy Conservation, Insulation, Remodeling/DER, Single Family