Multi-Family Energy Efficiency
Resilient Climate Solutions
With nearly 50 years of experience working with Multi-Family units decarbonization, CET ensures quality, time to serve, and ethical standards are consistently met.
We decarbonize hundreds of Multi-Family units every year.
Expertise in Technical Skills, Program Requirements, and Customer Service Excellence.
Our staff possesses extensive experience in technical skills, program requirements, and best practices in customer service.
At a Glance
Mass Save vendor for market-rate and income-eligible buildings
BPI Goldstar Contractor, BPI Multifamily Building Analyst, HERS certified team
Navigate mixed-use building requirements to optimize projects and incentives
Equitable Programming For Multi-Family Energy Efficiency
Advancing Inclusion and Innovation: CET’s Commitment to Underserved Communities
CET is at the forefront of innovation, spearheading initiatives to enhance access to underserved communities and market segments. Through Healthy Homes pilot programs and the development of Inclusive Utility Investments, CET is dedicated to expanding energy access for income-eligible customers, including renters.
Maximizing Funding
To maximize the benefit to participants and our clients, we are experts in braiding together multiple funding streams and program offerings into a cohesive and comprehensive package for every customer as appropriate.
Innovative Pilots:
Inclusive Utility Investments.
CET has launched an Inclusive Utility Investment (IUI) financing program to increase participation in home decarbonization among low-income and rental customers.
Healthy Homes.
CET collaborated with funders US EPA and E4theFuture to develop a Healthy Homes program in partnership with Berkshire Health Systems.
From Cities to Homes
Trusted by Municipalities and Homeowners Alike

PMLP has been working with CET on an ongoing initiative for over a year now and the entire CET team has always gone the extra mile to make the project a success. We have no regrets about partnering with them!
Bryan Howcroft
Peabody Municipal Light Plant

[CET’s] deep expertise and extensive experience in the sustainability space have been invaluable to our organization. Over the course of our partnership, CET has demonstrated an exceptional ability to craft innovative and impactful decarbonization strategies, helping us to achieve meaningful progress in our sustainability goals.
Ashley Wilson
Ipswich Utilities Department

CET works very hard to find the solutions that work for individual farmers, business, and folks in our community.
George Krivda
USDA

We had no idea where to start, but CET walked us through everything. It felt like having a personal guide for the whole process. When this program came to my attention, we had been wanting to make improvements for a long time, but the affordability was a problem. I said, ‘This is the greatest opportunity we will ever have.
Jill Roberts
ESHLP Customer

They were totally willing to work around our hours, I would love to work with them again, it was really easy.
Jennifer
Clinic Alternative Medicines
They Trust us













































