NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business and Academic Members. The directory is accessible to the public. Please let people know when you learned about their business through NESEA.

Select any desired filters, then click Apply to see the results.

Search Filters

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific states
Check boxes to limit your search to specific specialties

RH Irving Homebuilders

543 W Salisbury Rd.
Salisbury , New Hampshire 03268
Phone: 603-344-6488

Specializing in High Performance building practices since 1972, R.H. Irving is one of New Hampshire’s most experienced home builders. We are skilled in a wide variety of energy efficient and sustainable construction techniques, including high performance construction, super insulation, triple glazed windows, air sealing, heat recovery ventilation systems, designs that utilize natural daylight and passive solar heat, panelized stick framing, and post & beam construction. Our high performance building practices result in unparalleled comfort, healthy indoor air quality, low heating costs, and long term affordability.

Sectors: Single Family
Service Area: New Hampshire
Professional Specialties: Deep Energy Retrofit, Design/Build, Net Zero, Passive House, Remodeling/Renovation

Richard Renner | Architects

35 Pleasant St.
Portland , Maine 04101
Phone: 508-651-2385

Richard Renner | Architects, a full-service architectural firm with offices in Portland, Maine and Sherborn, Massachusetts, is a richly varied practice creating inspired places for living, working, and learning. Environmentally responsible design is a cornerstone of the practice, and for over a decade, the firm has expanded and refined the process of designing effective “green” buildings.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Maine, Massachusetts
Professional Specialties: Architecture, Deep Energy Retrofit, Design/Build, Net Zero

Right Environments

511 12th St.
Apt. 4R
Brooklyn , New York 11215
Phone: 917-588-0378

Technical consulting for energy efficiency and environmental quality in buildings. Envelope detail consulting and MEP for new construction/extensive renovation. Projects in NY, CT, MA, ME, etc. Certified Passive House Consultant.

Sectors: Multifamily, Single Family
Service Area: Connecticut, Maine, Massachusetts, New York
Professional Specialties: Building Envelope, Consulting, Deep Energy Retrofit, Mechanical Systems, Passive House, Remodeling/Renovation

Ripcord Engineering

PO Box 4175
Portland , Maine 04101
Phone: 207-835-4060

Ripcord Engineering offers integrated high-efficiency HVAC and plumbing design, Energy Modeling, and Mechanical Commissioning for Commercial and Residential buildings. On time. On top.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Maine, Massachusetts, New Hampshire
Professional Specialties: Affordable Housing, Certification/Commissioning, Consulting, Energy Modeling, Engineering, Mechanical Systems, Passive House

RJ Aley Building Contractor

185 Wilton Rd.
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.

Sectors: Single Family
Service Area: Connecticut, New York
Professional Specialties: Deep Energy Retrofit, Design/Build, General Contractor, Historic Restoration, Insulation, Remodeling/Renovation

RL Benton - Builder

154 Schoolhouse Rd.
Center Sandwich , New Hampshire 03227
Phone: 603-284-6860

Full service builder/designer for energy-efficient residential construction in the NH lakes region. Timber-framing as well as advanced hybrid construction, with expertise in solar thermal system design and installation since 1978. Our Sandwich Cabinet Shop can furnish your project as well.

Sectors: Single Family
Service Area: New Hampshire
Professional Specialties: Carpentry/Cabinetry, Design/Build, Solar Thermal, Timber Framing

Rodman CPAs

51 Sawyer Rd.
Ste. 610
Waltham , Massachusetts 02453
Phone: 617-965-5959

Rodman CPAs provides tax advisory, accounting, and business strategy services to small and mid-sized emerging and established businesses. The firm combines the innovative and strategic approach associated with large accounting firms with the personal touch of a smaller CPA firm. The firm works with clients across a range of industries, with a particular expertise in the clean energy sector. Rodman’s “Green Team” are domain experts in alternative energy, offering tax advisory, financial, and accounting services and Investment Tax Credit (ITC) studies for cleantech companies involved in solar, wind, biomass, and energy efficiency projects.

Sectors: Commercial
Service Area: Massachusetts
Professional Specialties: Finance, Legal/Accounting

RSP Systems

175 City Island Ave
Bronx , New York 10464
Phone: 718-991-6999

Authorized Capstone Microturbine distributor for NY & CT. RSP Systems helps customers in the greater New York and CT area that need significant thermal energy to run their facilities. We choose and implement the best solution for their on-site power-generation needs. We know that a reliable, secure power system is an essential component in our customers’ business plans and success, so we work closely with them to understand their requirements and then design and deliver the most cost-effective system available. We offer Capstone® microturbines which has the best selection of equipment and support services available in the industry. Capstone® microturbines can operate on a variety of gaseous or liquid fuels and emit very low emissions.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Connecticut, New York
Professional Specialties: Cogeneration/CHP

RST Thermal

372 University Ave.
Westwood , Massachusetts 02090
Phone: 781-320-9910

RST Thermal is a Manufacturer’s Representatives in the New England area covering Eastern Massachusetts, New Hampshire, Maine, Connecticut, and Rhode Island for multiple leading manufacturers whose products offer a systems approach to comfortable heating and cooling. We provide technical and sales support to our wholesale distributor partners and contractors. For homeowners, we provide geographic lists of installing and servicing contractors to help them find the “best fit” for the project to be done.

Sectors: Single Family
Service Area: Connecticut, Maine, Massachusetts, New York, Rhode Island
Professional Specialties: HVAC, Mechanical Systems

SAF Systems, Inc.

444 Somerville Ave.
Somerville , Massachusetts 02143
Phone: 727-688-5072

We supply an amazing wall paneling system that can insulate the building with the power of the sun. This lean, green technology uses passive solar heat gain instead of layers and layers of insulation to reduce the heating load by up to 90%. Designed and developed in Switzerland, we are now bringing it to North America with all our European expertise to go with it.

Sectors: Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Consulting, Deep Energy Retrofit, Insulation, Net Zero, Passive House, Photovoltaics

Sage Builders, LLC

672 Chestnut St.
Newton , Massachusetts 02468
Phone: 617-965-5272

Award-winning, full service Boston area residential design-build company committed to responsible design and construction practices. Experts in energy efficiency and weatherization.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Construction Management, Consulting, Deep Energy Retrofit, Design/Build, Project Management

Scenic Window Company, LLC

50 Miles St.
Greenfield , Massachusetts 01301
Phone: 413-774-9946

We offer complete design, sales, installation and service of European Tilt & Turn windows and doors. We have over 30 years experience in the construction industry. The last dozen of those years have been spent involved in energy efficient projects & products. At Scenic, we work with just one well established Polish manufacturer and just one US based shipper. This loyalty and commitment to single sourcing helps us assure control over the process, and allows us to provide superior quality, value and constant lead times. We also offer tilt turn windows and doors made right here in the US.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut, Massachusetts, New Hampshire, Vermont
Professional Specialties: Building Supply, Consulting, Design/Build, Windows


The NESEA Business Member Directory is the premier referral resource for consumers and professionals looking for high-performance building and renewable energy professionals in the Northeast.

A listing in this directory is a benefit of NESEA Business or Academic Membership that results in increased visibility and referrals for our member organizations. The NESEA Business Member Directory is published online and in print (fall issue of BuildingEnergy magazine, circulation 3750). If you would like to be included in the directory, join NESEA today as a business member. Learn more.