We are
Lead | Develop | Engine | Advisers

Providing clients with smart energy solutions. We offer innovative ideas to help your organization improve energy efficiency, maximize economic performance, and minimize environmental impacts.

Our Services Learn More
A Selection of

Our Clients

A Sample of

Our Portfolio

CHP Customer Outreach
Planning & Implementation
Con Edison Demand Management
Engineering & Technical Assistance
NJCEP Programs
Energy Program Evaluation
Efficiency Maine Large Customer
Engineering & Technical Assistance
Energy Code Compliance Studies
energy code compliance
retrocommissioning
Retrocommissioning
Retrocommissioning / Steinway & Sons

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Latest News

ASHRAE Paper Award Announcement

Congratulations to two of our engineers, Vijay Gopalakrishnan and Kathleen Sturtevant, for receiving the 2016 ASHRAE Technical Paper Award for their paper titled “Improving Variable-Speed Pumping Control to Maximize Savings,” …

March for Science Boston

ERS Sponsors the March for Science Boston

ERS is proud to sponsor the March for Science Boston, a rally for science that celebrates discovery, understanding, and sharing of scientific knowledge as crucial to the success, health, and …