NESEA Business Member Directory

Klepper, Hahn & Hyatt specializes in structural engineering, landscape architecture, and building envelope systems. Our firm has joined the Structural Engineers 2050 Commitment Program (SE 2050) to reduce and ultimately eliminate embodied carbon in our projects by 2050. Specialties Include:
- Review of thermal envelope details to ensure high performance and Energy Code compliance
- Diagnosing structural and thermal envelope building problems and developing solution strategies
- Designing with SIPs, ICFs, and frost-protected shallow foundations
- Identifying alternative structural systems with lower embodied carbon
- Quantification of the embodied carbon, or carbon burden, of building projects
- Building Envelope Commissioning (BECx)

We focus on bringing energy efficiency and healthy home techniques to our work, from small renovations to complete new houses. We are active members of NESEA, Bottom Lines Member, and Dan runs the original building science discussion group and co-wrote the Taunton Press book Pretty Good House: A Guide to Creating Better Homes. We pride ourselves on recruiting a diverse, inclusive crew.

KOW Building Consultants is a trusted provider of building, construction, environmental, and sustainability consulting services. KOW specializes in Property Condition Reports, Plan & Cost Reviews, Construction Loan Monitoring, Phase 1 ESAs (Environmental Site Assessments), and Sustainability Services. Clients include banks, lenders, federal agencies, state housing agencies, city housing agencies, as well as owners and developers. The firm was founded in 1978 by Kenneth O. Wille, PE, and has grown to a team of 50+ team members. KOW has two headquarters, in Smithtown, NY, and NYC, with full-time inspectors in CA, CO, CT, FL, IL, MD, MA, NJ, NY, NC, OH, PA, SC, TN, TX, and DC.

As one of the largest design firms in Western Massachusetts, our team includes architects, interior designers, LEED APs, and Passive House consultants. We provide architecture, planning, and interior design services to a diverse client base with a focus on educational, commercial, and residential projects. Our passion for good design draws us together, and our commitment to community and sustainability guides our process. We pride ourselves on being good listeners, collaborative, and client-focused with the goal of creating spaces and places that are functional, sensitive to the environment, and beautiful.

L+M Development Partners was founded in 1984 by Ron Moelis and Sandy Loewentheil, and over the past 40 years has become a leading innovator in developing quality affordable, mixed-income and market-rate housing, while strengthening the neighborhoods in which it works. A core principle at L+M is that affordable housing goes hand in hand with social responsibility. We take pride in our long-standing dedication to the communities we serve and look to build relationships with exceptional organizations that are supporting their communities. L+M remains committed to fostering economically diverse communities in a variety of urban markets nationwide.

HVAC & plumbing system design and consulting for comfortable and energy-efficient custom single-family homes, multifamily, commercial, and institutional build.

We partner with contractors to provide plumbing, heating, and air conditioning planning and installation. We also provide homeowners with guidance to make informed decisions on system replacement, repair, and installation.

Lewis Creek Company was founded in 2009 and has served the greater Burlington, Vermont area ever since. Our team of architectural designers and tradespeople provides a holistic, full-service design/build experience. Our process allows you to explore and refine until the design is perfectly yours. We create spaces that are functional, beautiful, and designed to complement your lifestyle.

Together with residents and partners, we forge resilient and inclusive communities of opportunity across America–great places to live, work, visit, do business, and raise families.

The M.J. Moran Company was formed in February of 1978 and has steadily grown in size since then. Our repeat customers include Golf, Smith College, Mount Holyoke College, Amherst College, Eaglebrook School, Northfield Mount Hermon, and Cooley Dickinson Hospital, to name a few. As a mechanical construction manager and contractor, we work closely with the architect, engineers, and owner, providing our expertise in value costing, budgeting, and scheduling. Our service area includes Western Massachusetts.

At MA Builders, working together with a top-notch team of vendors, subcontractors, and carpenters, we create beautiful spaces for our clients. Our years of training and experience with traditional and sustainable building practices enable us to tackle a wide range of jobs, from small renovations to complicated restorations and new home construction. Our apprenticeship program strives to train the next generation of craftspeople, focusing on sustainability and meaningful work. With a commitment to stewardship of the planet, we work hard to build spaces that meet the needs of our clients. MA Builders serves the Greater Portland area.