Optimizing assets throughout the lifecycle
NORESCO’s operations and maintenance (O&M) services provide comprehensive solutions that improve equipment reliability, reduce operational risks, and enhance asset performance across the entire lifecycle. We partner with facility owners to create customized, integrated O&M strategies aligned with specific operational goals.
O&M Approach
Our O&M services are built to deliver operational efficiency and effective risk management. NORESCO consistently meets or exceeds performance targets with solutions that are safe, efficient, reliable, resilient, and environmentally compliant. We ensure systems operate at peak performance while maintaining regulatory compliance and supporting sustainability objectives.
Single-Source O&M Provider
Our preventive maintenance plans are tailored to customer priorities, minimizing downtime, reducing lifecycle costs, and maximizing system performance. As a single-source provider, NORESCO offers long-term service agreements that:
Preserve energy savings
Manage equipment warranties
Balance the needs of new and legacy systems
Deliver preventative maintenance as well as repairs or replacements

Measurement & Verification Standards
We assess the performance of our customers’ facilities using industry-accepted standards from the International Performance Measurement and Verification Protocol (IPMVP) and the U.S. Department of Energy’s Federal Energy Management Program (FEMP). These frameworks guide our efforts to precisely measure energy and water consumption, monitor equipment and system performance, and verify and report realized savings.
Optimal Equipment Performance
Our experienced team of managers and technicians oversee a wide range of energy infrastructure systems and deliver full-service asset management, including:
Boilers and chillers ranging from light commercial to large central plants
Electrical systems ranging from basic distribution to full-scale microgrids
Building automation controls, industrial programmable logic controllers (PLCs), and SCADA systems
HVAC systems, packaged equipment, and hydronic systems
Renewable energy systems such as solar, wind, and biomass
Combined heat and power (cogeneration) systems

Technology-Enabled Services
NORESCO conducts active trend analysis to detect and resolve issues early, extending equipment life and improving performance. Our technicians adjust O&M procedures based on real-time data insights to help customers meet their energy and operational goals.