Legence - Homepage

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Committed to making the spaces we occupy healthier and more sustainable.

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OUR MISSION
Legence is an Energy Transition Accelerator™. Our team radically improves the performance of the built environment. We’re fostering the future by championing building efficiency today.

OUR IMPACT

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

  • ESG / SQ FT

    1.5 B+

    As an ESG advisor, Legence is maximizing the efficiency of more than 1.5 billion square feet across 5,000+ buildings.

  • NET ZERO / SQ FT

    10 M+

    Legence has undertaken 10 million square feet of net zero energy design and implemented more than 100 MW of renewable generation

  • COMMUNITY ENGAGEMENT

    $ 10 B+

    Our community engagement and technical expertise has generated over $10 billion in energy and infrastructure projects.

  • LEED PROJECTS

    200+

    We’ve completed a broad range of LEED-certified projects for our clients. LEED certifications are among the most respected marks of sustainability a building can earn.

  • CRAFTSPEOPLE

    5 K+

    Legence is 5,000+ engineers, professionals, and craftspeople strong.

  • OFFICES

    50 +

    Headquartered in San Jose, CA, Legence operates more than 50 offices across the US.

OUR SOLUTIONS Contact Us

Uniquely equipped for any challenge.

Legence offers an integrated approach to drive building performance, decrease costs, and overcome any project challenge.

OUR SOLUTIONS

Uniquely equipped for any challenge.

Legence offers an integrated approach to drive building performance, decrease costs, and overcome any project challenge.

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The leading sustainability advisory practice nationwide; our interdisciplinary team of 150+ sustainability consultants and renewable energy specialists deliver customized and technology-enabled solutions that unlock value, fulfill investment objectives, and decarbonize the built environment.

  • Sustainability Program Strategy
  • Design + Implementation
  • Governmental + NGO Climate Programs
  • Carbon + Energy Solutions
  • Climate Risk Assessment, Mitigation + Disclosure
  • Data Management + Analytics
  • Compliance + Reporting
  • Stakeholder Engagement
  • Marketing + Communications
  • Green Building Certifications
  • On-Site Renewables, Strategy, and Procurement
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Legence’s 1000+ specialized engineers are driven by a singular focus: crafting innovative solutions that redefine building performance. From pioneering new methods of measuring indoor air quality to creating custom energy dashboards, their ingenuity knows no bounds. They invent groundbreaking products, set national standards, and reshape deeply-held beliefs about what's achievable in sustainable building design. Legence is at the forefront of the MEP industry, rewriting the rules of high-performance MEP design, one innovative project at a time.

  • Zero Energy Engineering
  • Decarbonization Consulting
  • Mechanical Engineering
  • Electrical Engineering
  • Plumbing Engineering
  • Fire Protection Engineering
  • Technology and Security Design
  • Lighting Design
  • Commissioning
  • Retro-Commissioning

Legence provides a fully-integrated approach to comprehensive facility planning, funding, design, and construction implementation for complex public and private sector projects. We optimize all project-related professional services while enhancing overall quality control and project outcomes. Our team of over 140 industry professionals provides single-source accountability for our clients while ensuring project continuity from initial conception through completion.

  • Facilities Assessment and Physical Needs Analysis
  • Capital Improvement and Long-Range Planning
  • Space Utilization and Programming
  • Community Engagement
  • Referendum Planning
  • Strategic Communications
  • Comprehensive Funding Solutions
  • Construction Management
  • Commissioning and Re-Commissioning
  • Energy Audits and Utility Analysis Services
  • Long-Term Facilities Maintenance
  • Asset Management
HVAC piping system in a smart building

We have deep experience as a design-build partner for high-performance and net zero energy structures, rethinking efficiency, technology, and infrastructure for cutting-edge projects.

  • High Performance & Net Zero Energy Design
  • Energy & Building Retrofits
  • Building Automation Controls
  • Commissioning & Building Optimization
  • ENERGY SAVINGS PERFORMANCE CONTRACTS
A worker installs air conditioning

Legence is a trusted mechanical, electrical, and plumbing (MEP) and facilities partner for our clients. We provide integrated facility services to unlock performance and mine efficiency across a building’s systems.

  • Facilities Management
  • Mechanical, Electrical, and Plumbing
  • Controls
OUR COMPANIES

Powered by a family of class-leading providers, working for the greater good.

  • A.O. Reed & Co.

    Mechanical contractor built on excellence, integrity, customer satisfaction, and top-quality expertise. Since 1914, A.O. Reed has built and serviced memorable projects throughout Southern California with cost-effective budgets and exceptional service while maintaining aggressive schedules.

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  • Bel-Aire Mechanical

    A sector innovator with 35 years of experience, Bel-Aire Mechanical is Arizona’s largest mechanical and plumbing contractor.

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  • Black Bear Energy

    An authority in solar, Black Bear works with property owners looking to develop and implement clean energy infrastructure.

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  • CMTA

    Experts in high-performance, sustainable projects, CMTA provides best-in-class consulting engineering and energy performance contracting services to its clients.

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  • Gilbert

    Gilbert provides mechanical, electrical, plumbing, controls, and fire protection for a diverse range of clients in the Midwestern US.

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  • ICS

    A leader in the construction program management industry, ICS offers customized services that unite all phases of a project’s life cycle—from planning and funding, to construction and ongoing operation support.

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  • Provident Energy Consulting

    Leveraging 25+ years of utilities experience, Provident develops innovative energy strategies for clients across the U.S.

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  • RE Tech Advisors

    A proven sustainability advisor for the investment community, RE Tech Advisors provides data-driven insight, strategy, and engineering support to design and implement ESG programs.

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  • SC Engineers

    Founded in 2004, SC Engineers is an industry leader in mechanical, electrical, and plumbing planning and design, energy efficiency, building automation, and total building commissioning. SC Engineers delivers innovative solutions with a dedicated focus on decarbonization, resulting in highly-efficient facilities.

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  • Therma

    A leader in HVAC, fabrication, and building automation, Therma is among California’s most capable full-service mechanical solution providers.

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  • VarcoMac

    VarcoMac has been the leading electrical services provider in the Baltimore-Washington Metro Area for 40 years.

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  • Yearout

    More than half a century of experience establishes Yearout as the leading full-service mechanical solutions provider in the New Mexico market.

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Our Locations

Local approach, from coast to coast.

We operate over 50 offices across the US, supporting innovation and sustainability nationwide.

A map of Legence locations across the United States. Legence has nearly 50 offices and truly nationwide reach.
JOIN OUR TEAM

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.

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