Our Solutions

Stackable Solutions™ for better buildings

Our solutions make buildings better by reducing operating costs and increasing reliability.

Legence offers a range of solutions for commercial and industrial buildings, including engineering, consulting, installation and maintenance services. We specialize in designing, fabricating and installing HVAC, process piping and other MEP systems for new facilities and upgrading HVAC, lighting and building controls in existing facilities to make them more energy efficient and sustainable.

our solutions

Engineering & Consulting

Our Engineering & Consulting teams design HVAC and other MEP systems for buildings, develop strategies to help reduce energy usage and make buildings more sustainable and provide program and project management services for customers' installation and retrofit projects.
Commissioning and Retro-Commissioning
Commissioning and Retro-Commissioning
Disclosure & Compliance
Disclosure & Compliance
Technology
Technology
24/7 Emergency Service
24/7 Emergency Service
Acoustic
Acoustic
Architectural Sheet Metal
Architectural Sheet Metal
Asset Management
Asset Management
BAS + Industrial Controls Support
BAS + Industrial Controls Support
Building & Industrial Control Support
Building & Industrial Control Support
Building Automation Controls
Building Automation Controls
Building Automation Systems (BAS)
Building Automation Systems (BAS)
Building Information Modeling (BIM)
Building Information Modeling (BIM)
Building Optimization
Building Optimization
Capital Improvement + Long Range Planning
Capital Improvement + Long Range Planning
Chiller + Boiler Services
Chiller + Boiler Services
Climate Risk Assessment, Mitigation, + Disclosure
Climate Risk Assessment, Mitigation, + Disclosure
Commissioning + Building Optimization
Commissioning + Building Optimization
Commissioning + Recommissioning
Commissioning + Recommissioning
Community Engagement
Community Engagement
Compliance + Reporting
Compliance + Reporting
Comprehensive Funding Solutions
Comprehensive Funding Solutions
Comprehensive Maintenance Programs
Comprehensive Maintenance Programs
Construction Management
Construction Management
Data Management, Analytics and Reporting
Data Management, Analytics and Reporting
Decarbonization Consulting
Decarbonization Consulting
Design-Build Infrastructure Renovations
Design-Build Infrastructure Renovations
Design-Build Services
Design-Build Services
Distributed Generation Solutions
Distributed Generation Solutions
Electrical Engineering
Electrical Engineering
Electrical Installation
Electrical Installation
Electrical and Control Panel Design + Fabrication
Electrical and Control Panel Design + Fabrication
Emergency Response
Emergency Response
Energy + Deep Building Retrofits
Energy + Deep Building Retrofits
Energy Analysis + Carbon Solutions
Energy Analysis + Carbon Solutions
Energy Audits + Utility Analysis Services
Energy Audits + Utility Analysis Services
Energy Benchmarking
Energy Benchmarking
Energy Savings Performance Contracts
Energy Savings Performance Contracts
Energy-Efficient HVAC Systems
Energy-Efficient HVAC Systems
Energy-Efficient Solutions
Energy-Efficient Solutions
Ensuring Reliable Operation
Ensuring Reliable Operation
Facilities Assessment + Physical Needs Analysis
Facilities Assessment + Physical Needs Analysis
Fire Alarm Systems and Safety
Fire Alarm Systems and Safety
Fire Protection
Fire Protection
Fire Protection Construction
Fire Protection Construction
Fire Protection Engineering
Fire Protection Engineering
Fire Protection Services
Fire Protection Services
Full-Service MEP Solutions
Full-Service MEP Solutions
Governmental + NGO Climate Programs
Governmental + NGO Climate Programs
Green Building Certifications
Green Building Certifications
HVAC Equipment
HVAC Equipment
HVAC Installation
HVAC Installation
HVAC Predictive & Preventative Maintenance
HVAC Predictive & Preventative Maintenance
Health & Wellness
Health & Wellness
High Performance + Net Zero Design
High Performance + Net Zero Design
High Purity Chemical Processing Systems
High Purity Chemical Processing Systems
High-Quality Maintenance Strategy
High-Quality Maintenance Strategy
Historical Restorations, Sculptures, + Monuments
Historical Restorations, Sculptures, + Monuments
Impact on Carbon Emissions
Impact on Carbon Emissions
Life Cycle Support
Life Cycle Support
Lighting
Lighting
Lighting Design
Lighting Design
Long-Term Facilities Maintenance
Long-Term Facilities Maintenance
MEP Equipment Replacement + Retrofit
MEP Equipment Replacement + Retrofit
Marketing + Communications
Marketing + Communications
Mechanical, Electrical & Plumbing Engineering
Mechanical, Electrical & Plumbing Engineering
Mission-Critical Maintenance
Mission-Critical Maintenance
Net Zero Energy Design
Net Zero Energy Design
O+M Budgets
O+M Budgets
Optimizing Energy Efficiency
Optimizing Energy Efficiency
Owner's Representative for Renewables, Strategy, + Procurement
Owner's Representative for Renewables, Strategy, + Procurement
Plumbing Engineering
Plumbing Engineering
Plumbing Installation
Plumbing Installation
Plumbing Proactive & Preventative Maintenance
Plumbing Proactive & Preventative Maintenance
Plumbing Services
Plumbing Services
Proactive + Preventative Maintenance
Proactive + Preventative Maintenance
Process Piping Installation
Process Piping Installation
Process Skid System Design & Fabrication
Process Skid System Design & Fabrication
Referendum Planning
Referendum Planning
Retro-Commissioning
Retro-Commissioning
Sheet Metal + Plumbing Fabrication
Sheet Metal + Plumbing Fabrication
Space Utilization + Programming
Space Utilization + Programming
Speciality Electrical Fabrication
Speciality Electrical Fabrication
Speciality Piping Fabrication
Speciality Piping Fabrication
Speciality Sheet Metal Fabrication
Speciality Sheet Metal Fabrication
Stakeholder Engagement
Stakeholder Engagement
Strategic Communications
Strategic Communications
Strategic Facility Planning
Strategic Facility Planning
Streamlining Energy Distribution
Streamlining Energy Distribution
Supply Chain and Cost-Effective Maintenance
Supply Chain and Cost-Effective Maintenance
Sustainability Data & Technology
Sustainability Data & Technology
Sustainability Program Management
Sustainability Program Management
Tailored Systems Design
Tailored Systems Design
Technology + Security Design
Technology + Security Design
Testing, Adjusting + Balance
Testing, Adjusting + Balance
Utility Analysis Services
Utility Analysis Services
Validated Turn-Key Process Systems
Validated Turn-Key Process Systems
Waste Management and Reduction
Waste Management and Reduction
Water + Wastewater Treatment Systems
Water + Wastewater Treatment Systems
Zero Energy Engineering
Zero Energy Engineering
Our Brands
A.O. Reed & Co.
A.O. Reed has built a legacy of excellence in Southern California, delivering cost-effective, high-quality mechanical projects with an unwavering commitment to integrity, customer satisfaction, and timely completion.
Bel-Aire Mechanical
Bel-Aire Mechanical is a leading mechanical and plumbing contractor specializing in high-quality HVAC and plumbing solutions. Our state-of-the-art facilities support advanced manufacturing and fabrication, ensuring efficiency and scalability.
Gilbert
Serving the Midwestern US, Gilbert provides a comprehensive range of mechanical, electrical, plumbing, controls, and fire protection solutions for diverse clients.
Therma
A leader in HVAC, fabrication, and building automation, Therma is among California’s most capable full-service mechanical solution providers.
VarcoMac
As the Baltimore-Washington Metro Area's leading electrical services provider, VarcoMac delivers comprehensive and reliable solutions.
Yearout Mechanical
Yearout Mechanical is New Mexico's leading full-service mechanical solutions provider, delivering comprehensive expertise and service.
Legence
CMTA
CMTA is a best-in-class MEP engineering and energy performance contracting firm.
P2S
P2S is a premier west coast consulting engineering, commissioning, and construction management firm committed to innovative designs, sustainable solutions, and exceptional client service.
SC Engineers
SC Engineers is an industry leader in sustainable design, offering mechanical, electrical, and plumbing solutions for mission critical and high-performance facilities.
ICS
ICS specializes in providing innovative facility solutions that help clients plan, build, and operate their building well. ICS' customized services integrate the planning, funding, construction, and ongoing operations of mission-critical facilities as they help clients throughout all phases of a building project.
Provident Energy Consulting
Provident develops innovative energy strategies across the US, helping clients navigate and implement optimal and efficient energy solutions.
RE Tech Advisors
RE Tech Advisors designs and implements award-winning sustainability programs that fulfill clients’ fiduciary, investment, compliance, and climate objectives.
Black Bear Energy
Empowering energy independence and a sustainable future, Black Bear delivers customized distributed generation solutions.
our solutions

Installation & Maintenance

Our Installation & Maintenance teams fabricate and install HVAC systems, process piping and other MEP systems in new and existing commercial, industrial, and institutional buildings and provide ongoing maintenance services for those systems.
Installation & Fabrication

Installation & Fabrication

We provide HVAC, electrical, plumbing, process and control system installations, refurbishments and renovations in technically demanding new and existing buildings.
services
Installation & Fabrication

Maintenance & Service

We provide preventative maintenance, emergency repair and break-fix services over the life of a building’s mechanical systems.
services
Commissioning and Retro-Commissioning
Commissioning and Retro-Commissioning
Disclosure & Compliance
Disclosure & Compliance
Technology
Technology
24/7 Emergency Service
24/7 Emergency Service
Acoustic
Acoustic
Architectural Sheet Metal
Architectural Sheet Metal
Asset Management
Asset Management
BAS + Industrial Controls Support
BAS + Industrial Controls Support
Building & Industrial Control Support
Building & Industrial Control Support
Building Automation Controls
Building Automation Controls
Building Automation Systems (BAS)
Building Automation Systems (BAS)
Building Information Modeling (BIM)
Building Information Modeling (BIM)
Building Optimization
Building Optimization
Capital Improvement + Long Range Planning
Capital Improvement + Long Range Planning
Chiller + Boiler Services
Chiller + Boiler Services
Climate Risk Assessment, Mitigation, + Disclosure
Climate Risk Assessment, Mitigation, + Disclosure
Commissioning + Building Optimization
Commissioning + Building Optimization
Commissioning + Recommissioning
Commissioning + Recommissioning
Community Engagement
Community Engagement
Compliance + Reporting
Compliance + Reporting
Comprehensive Funding Solutions
Comprehensive Funding Solutions
Comprehensive Maintenance Programs
Comprehensive Maintenance Programs
Construction Management
Construction Management
Data Management, Analytics and Reporting
Data Management, Analytics and Reporting
Decarbonization Consulting
Decarbonization Consulting
Design-Build Infrastructure Renovations
Design-Build Infrastructure Renovations
Design-Build Services
Design-Build Services
Distributed Generation Solutions
Distributed Generation Solutions
Electrical Engineering
Electrical Engineering
Electrical Installation
Electrical Installation
Electrical and Control Panel Design + Fabrication
Electrical and Control Panel Design + Fabrication
Emergency Response
Emergency Response
Energy + Deep Building Retrofits
Energy + Deep Building Retrofits
Energy Analysis + Carbon Solutions
Energy Analysis + Carbon Solutions
Energy Audits + Utility Analysis Services
Energy Audits + Utility Analysis Services
Energy Benchmarking
Energy Benchmarking
Energy Savings Performance Contracts
Energy Savings Performance Contracts
Energy-Efficient HVAC Systems
Energy-Efficient HVAC Systems
Energy-Efficient Solutions
Energy-Efficient Solutions
Ensuring Reliable Operation
Ensuring Reliable Operation
Facilities Assessment + Physical Needs Analysis
Facilities Assessment + Physical Needs Analysis
Fire Alarm Systems and Safety
Fire Alarm Systems and Safety
Fire Protection
Fire Protection
Fire Protection Construction
Fire Protection Construction
Fire Protection Engineering
Fire Protection Engineering
Fire Protection Services
Fire Protection Services
Full-Service MEP Solutions
Full-Service MEP Solutions
Governmental + NGO Climate Programs
Governmental + NGO Climate Programs
Green Building Certifications
Green Building Certifications
HVAC Equipment
HVAC Equipment
HVAC Installation
HVAC Installation
HVAC Predictive & Preventative Maintenance
HVAC Predictive & Preventative Maintenance
Health & Wellness
Health & Wellness
High Performance + Net Zero Design
High Performance + Net Zero Design
High Purity Chemical Processing Systems
High Purity Chemical Processing Systems
High-Quality Maintenance Strategy
High-Quality Maintenance Strategy
Historical Restorations, Sculptures, + Monuments
Historical Restorations, Sculptures, + Monuments
Impact on Carbon Emissions
Impact on Carbon Emissions
Life Cycle Support
Life Cycle Support
Lighting
Lighting
Lighting Design
Lighting Design
Long-Term Facilities Maintenance
Long-Term Facilities Maintenance
MEP Equipment Replacement + Retrofit
MEP Equipment Replacement + Retrofit
Marketing + Communications
Marketing + Communications
Mechanical, Electrical & Plumbing Engineering
Mechanical, Electrical & Plumbing Engineering
Mission-Critical Maintenance
Mission-Critical Maintenance
Net Zero Energy Design
Net Zero Energy Design
O+M Budgets
O+M Budgets
Optimizing Energy Efficiency
Optimizing Energy Efficiency
Owner's Representative for Renewables, Strategy, + Procurement
Owner's Representative for Renewables, Strategy, + Procurement
Plumbing Engineering
Plumbing Engineering
Plumbing Installation
Plumbing Installation
Plumbing Proactive & Preventative Maintenance
Plumbing Proactive & Preventative Maintenance
Plumbing Services
Plumbing Services
Proactive + Preventative Maintenance
Proactive + Preventative Maintenance
Process Piping Installation
Process Piping Installation
Process Skid System Design & Fabrication
Process Skid System Design & Fabrication
Referendum Planning
Referendum Planning
Retro-Commissioning
Retro-Commissioning
Sheet Metal + Plumbing Fabrication
Sheet Metal + Plumbing Fabrication
Space Utilization + Programming
Space Utilization + Programming
Speciality Electrical Fabrication
Speciality Electrical Fabrication
Speciality Piping Fabrication
Speciality Piping Fabrication
Speciality Sheet Metal Fabrication
Speciality Sheet Metal Fabrication
Stakeholder Engagement
Stakeholder Engagement
Strategic Communications
Strategic Communications
Strategic Facility Planning
Strategic Facility Planning
Streamlining Energy Distribution
Streamlining Energy Distribution
Supply Chain and Cost-Effective Maintenance
Supply Chain and Cost-Effective Maintenance
Sustainability Data & Technology
Sustainability Data & Technology
Sustainability Program Management
Sustainability Program Management
Tailored Systems Design
Tailored Systems Design
Technology + Security Design
Technology + Security Design
Testing, Adjusting + Balance
Testing, Adjusting + Balance
Utility Analysis Services
Utility Analysis Services
Validated Turn-Key Process Systems
Validated Turn-Key Process Systems
Waste Management and Reduction
Waste Management and Reduction
Water + Wastewater Treatment Systems
Water + Wastewater Treatment Systems
Zero Energy Engineering
Zero Energy Engineering
Our Brands
A.O. Reed & Co.
A.O. Reed has built a legacy of excellence in Southern California, delivering cost-effective, high-quality mechanical projects with an unwavering commitment to integrity, customer satisfaction, and timely completion.
Bel-Aire Mechanical
Bel-Aire Mechanical is a leading mechanical and plumbing contractor specializing in high-quality HVAC and plumbing solutions. Our state-of-the-art facilities support advanced manufacturing and fabrication, ensuring efficiency and scalability.
Black Bear Energy
Empowering energy independence and a sustainable future, Black Bear delivers customized distributed generation solutions.
CMTA
CMTA is a best-in-class MEP engineering and energy performance contracting firm.
Gilbert
Serving the Midwestern US, Gilbert provides a comprehensive range of mechanical, electrical, plumbing, controls, and fire protection solutions for diverse clients.
ICS
ICS specializes in providing innovative facility solutions that help clients plan, build, and operate their building well. ICS' customized services integrate the planning, funding, construction, and ongoing operations of mission-critical facilities as they help clients throughout all phases of a building project.
P2S
P2S is a premier west coast consulting engineering, commissioning, and construction management firm committed to innovative designs, sustainable solutions, and exceptional client service.
Provident Energy Consulting
Provident develops innovative energy strategies across the US, helping clients navigate and implement optimal and efficient energy solutions.
RE Tech Advisors
RE Tech Advisors designs and implements award-winning sustainability programs that fulfill clients’ fiduciary, investment, compliance, and climate objectives.
SC Engineers
SC Engineers is an industry leader in sustainable design, offering mechanical, electrical, and plumbing solutions for mission critical and high-performance facilities.
Therma
A leader in HVAC, fabrication, and building automation, Therma is among California’s most capable full-service mechanical solution providers.
VarcoMac
As the Baltimore-Washington Metro Area's leading electrical services provider, VarcoMac delivers comprehensive and reliable solutions.
Yearout Mechanical
Yearout Mechanical is New Mexico's leading full-service mechanical solutions provider, delivering comprehensive expertise and service.
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