As one of the largest energy services companies in the U.S., NORESCO utilizes design-build and a variety of performance-based contracting vehicles to deliver energy and maintenance savings and significant infrastructure upgrades to existing facilities. These upgrades can be funded through cost savings that the projects generate, without the need for up-front capital expenditures by the customer. NORESCO has guaranteed more than $3 billion in energy and operating cost savings at more than 7,000 sites throughout the U.S. and worldwide.

NORESCO also provides build, own, operate and maintain (BOOM) services for central heating, cooling and power-generation systems.

NORESCO’s Sustainability Services group offers a full suite of sustainable design consulting services, including energy auditing, commissioning and retro-commissioning, energy & daylighting analysis, LEED® certification consulting, and sustainability master—planning.

NORESCO is part of UTC Building & Industrial Systems, a unit of United Technologies Corporation.