Building a sustainable

From innovation to implementation, Legence accelerates the path to sustainable high-performance buildings.

2 min video
Select Customers
We are an energy transition accelerator™

Legence is North America's leading integrated provider of energy efficiency and sustainability solutions across the entire building lifecycle. We improve the performance of buildings, making the spaces that shape our lives healthier and more sustainable.

legence impact

Since 1914, our teams have delivered results at the intersection of engineering, technology, and sustainability.

As a sustainability consulting advisor, Legence is maximizing the efficiency of more than 5.5 billion square feet across 22,000+ buildings.
net zero / SQ FT
Legence has designed more than 10 million square feet of net zero buildings and more than 140MW of onsite renewable energy projects.
Energy Efficiency +
Renewable Projects
Legence has facilitated more than $21 billion in energy efficiency and on-site renewable energy projects over the past three years.
Green Certifications
Support from the Legence team has helped guide the completion of over 1,000 certified green building projects, including LEED®, WELL Building Standard®, and Fitwel®.
our industries

With over a century of experience, we have the expertise to implement high performing projects with unmatched outcomes, serving industry leaders in mission-critical and other essential sectors.

our solutions

Uniquely equipped for any challenge.

We specialize in helping clients decrease operating costs, reduce carbon emissions, and enhance occupant well-being and productivity. From advisory services and design to implementation and ongoing maintenance, we offer a comprehensive suite of Stackable Solutions™ across the entire building lifecycle.
Case Studies

Legence's Sustainable Revolution: An Inside Look

George Washington University – Thurston Hall
Edina, MN
Horton Plaza
San Diego, CA
San Diego State University Engineering & Interdisciplinary Science Center
San Diego, CA
John Lewis Elementary
Washington, D.C.

What You Do Here Will Make a Difference

Interested in joining us? Every member of the Legence team plays a key part in creating a more sustainable world. And we have a lot of fun doing it, too.
Grow With Us