National Association of
Energy Service Companies

Partnering Today for a More Efficient Tomorrow

The National Association of Energy Service Companies, (NAESCO) is the leading advocacy and accreditation organization for Energy Service Companies dedicated to modernizing America’s building infrastructure through performance contracting.

Education/Events

Find a Member

Interested in becoming a member?

Join Today!

NAESCO's Signature Events

2025 R3 Conference and Expo - Save the Date!

November 3-5, 2025

Las Vegas, NV

2024 Event Photos

2025 Federal Market Workshop – Save the Date!

Thursday, March 13, 2025

NAHB - National Housing Center

1201 15th Street NW, Washington DC 20005

View Event

Other Upcoming Events

Five Companies Earn Industry-Leading Accreditation from the National Association of Energy Service Companies

November 25, 2024

Five Companies Earn Industry-Leading Accreditation from the National Association of Energy Service Companies Washington, DC, November 25, 2024-The National Association of Energy Service Companies (NAESCO), the leading advocacy and accreditation association representing companies modernizing the nation’s building infrastructure, announces the accreditation of five companies. These companies have demonstrated the highest levels of professionalism, technical expertise,…

Ameresco and ENGIE Services U.S. Inc. Win Industry-Leading Award Recognizing Member Collaboration and Outstanding Project through Performance Contracting

November 17, 2024

Ameresco and ENGIE Services U.S. Inc. Win Industry-Leading Award Recognizing Member Collaboration and Outstanding Project through Performance Contracting Washington, DC,. November 17, 2024-The National Association of Energy Service Companies (NAESCO), the leading advocacy and accreditation association representing companies modernizing our nation’s building infrastructure, has announced Ameresco and ENGIE Services U.S. Inc. as winners of the…

National Association of Energy Service Companies Re-Elects Board Chair Wes Walker and Officers

November 14, 2024

National Association of Energy Service Companies Re-Elects Board Chair Wes Walker and Officers Washington, DC,. November 14, 2024 – The National Association of Energy Service Companies (NAESCO), the leading advocacy and accreditation association representing companies modernizing our nation’s building infrastructure, has re-elected Wes Walker, CEO of Veregy, as Chair of the Board of Directors for…

Fall 2024 Member News

October 16, 2024

Fall 2024 Member News (The following summaries may have been condensed) CEG Solutions Updates: CEG Solutions Redesign of Data Center Project Published in ASHRAE Journal A project case study completed by CEG Solutions, a leading provider of energy efficiency and sustainability services, was recently published in the American Society of Heating, Refrigerating and Air-Conditioning…

Member News: Control Air Enterprises Announces Expansion through CAN Program

October 15, 2024

Control Air Enterprises Announces Expansion thru CAN Program ANAHEIM, CA, October 15, 2024: Today, it was announced that California’s Premier Mechanical & Plumbing Contractor, Control Air Enterprises, is leveraging its 46 years of experience to expand its footprint into two new markets. Through the new CAE CAN initiative, Control Air Enterprises is expanding into the…

Buildings are responsible for 40% of total energy consumption

Customer energy-related needs are broadening beyond just energy savings to include resilience, reduced operations and maintenance costs, improved operations, and sustainability.

Energy efficiency is getting the maximum use from energy consumed. The U.S. energy efficient retrofit services market experienced an estimated 6.2% CAGR from 2017 to 2022.