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ERS is a DNV company

Energy Audits &

GHG Reduction Services

We provide energy and carbon mitigation assessments with actionable reports.

Technical Support

ERS excels at providing technical expertise with comprehensive or focused energy audits. We also provide technical support for PV and energy storage.


ERS has a strong pool of engineers with AEE’s CEM certification and professional engineering (PE) licenses that will help meet regulatory requirements.

Energy Master Planning

We guide facility management with a phased approach to progressively and successfully improve overall energy operation while optimizing available resources.

Need to comply with local ordinances?

We conduct ASHRAE Level II energy assessments and carbon reduction planning for facilities across the US and understand local ordinances, such as Local Law 97 in New York City and BERDO in Boston. Click a link below to learn more about more specific services or download our energy assessment services document.

Download our ASHRAE Level II Energy Assessment brochure to learn more about how ERS can help your organization meet the requirements for local and county ordinances.

Let's start talking about your project

Reach out to us today to begin planning.