Legence - Homepage
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We’re a legion of companies committed to making the spaces we occupy healthier and more sustainable.
Since 1963, our teams have delivered results at the intersection of engineering, technology, and sustainability.
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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.
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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
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COMMUNITY ENGAGEMENT
$ 10 B+
Our community engagement and technical expertise has generated over $10 billion in energy and infrastructure projects.
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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.
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CRAFTSPEOPLE
4 K+
Legence is 4,000+ engineers, professionals, and craftspeople strong.
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OFFICES
50 +
Headquartered in San Jose, CA, Legence operates more than 50 offices across the US.
Uniquely equipped for any challenge.
Legence offers an integrated suite of services designed to drive building performance, decrease costs, and overcome any project challenge.
Uniquely equipped for any challenge.
Legence offers an integrated suite of services designed to drive building performance, decrease costs, and overcome any project challenge.
Leveraging proven experience in ESG, compliance, and climate consulting, Legence equips clients with the strategy and insights they need to implement and deliver upon their sustainability initiatives.
- Sustainability & ESG
- Compliance & Reporting
- Climate & Decarbonization
- Communications & Education
We’re redefining efficiency as a resource—not a result. 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
We help our clients innovate and expand their energy infrastructure to enable the adoption of alternative, renewable, and decentralized energy innovations.
- Solar Photovoltaics
- Geothermal
- Battery Storage
- CHP / Cogeneration
- Microgrids
- ENERGY SAVINGS PERFORMANCE CONTRACTS
Legence is a choice building science and engineering solutions provider. We pair sector expertise with creative ingenuity to lead and deliver design-build projects that meet efficiency goals and protect the wellbeing of occupants.
- Design-Build Construction
- Retro-Commissioning
- Lifecycle Program Management
- ENERGY SAVINGS PERFORMANCE CONTRACTS
We develop and implement strategies to help clients navigate a complex energy marketplace and maximize the benefit of every procurement opportunity.
- Energy Supply
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
With Legence as their financing partner, our clients have more ways to implement difference-making sustainability initiatives.
- Clean Energy Finance
- Energy Savings Performance Contracts
- Energy As A Service (EAAS)
- Power Purchase Agreement (PPA)
Explore our latest thinking.
"Major Property Investors Taking Money Off the Top" - Real Estate Adviser
Black Bear Energy Publishes Inaugural Real Estate Solar Leaderboards
Solar Decathlon: Cementing Foundations in Decarbonization Careers
Legence Acquires Three Western U.S. Firms To Further Expand Its Sustainability Solutions
What to Know About Local Carbon Policies for Commercial Real Estate
World’s first Energy Transition Accelerator™, Legence, creates one of the largest ESG consultancies in North America
ESG at a Tipping Point for Real Estate
Legence Acquires Black Bear Energy, Strengthening Capabilities for Rapid Decarbonization in Buildings
Accelerating Decarbonization: A Q&A With Black Bear's Drew Torbin
Efficiency Consumption: A new sustainability paradigm for a healthier built world.
Legence Introduces New Brand and Announces Two Acquisitions
Curing Hospitals' Addiction to the Fossil Fuels That Make People Sick
From Materiality to Risk Mitigation: ESG at a Tipping Point for Real Estate
Designing for Wellness and Energy Savings
The Coming U.S. Regulatory Oversight of, and Demand for, Climate Disclosure
Laying the Foundation: Carbon Neutrality in Real Estate Investment
Better Climate Challenge Press Release
AMLI 2020 CSR Report
Brandywine CSR Report 2020
9 Reasons Why Good Bond Referendums Fail
Boston Medical Center: Dedicated to Patient and Environmental Wellness
Powered by a family of class-leading providers, working for the greater good.
VIEW OUR COMPANIES-
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 Clients
We create meaningful outcomes by maximizing efficiency consumption for our clients and the world.
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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