Comfort Systems USA is composed of more than 45 operating companies in over 170 locations across the United States. We are a leading building and service provider for mechanical, electrical and plumbing building systems. Our national footprint provides us the ability to meet your objectives to build and maintain safe, comfortable, and efficient facilities.
Comfort Systems USA, Inc delivers expert resources necessary to perform a range of services including mechanical, electrical, process piping, modular construction, and building automation controls.
The Nation's Largest Independent Provider of Control Systems

Construction

Modular Construction

Building Services

Building Automation Services
Why Choose Us
At Comfort Systems USA, customer experience is our top priority.
Accreditations & Partnerships



LEED Accredited Professionals
At Comfort Systems USA, our LEED Accredited Professionals provide expert guidance in sustainable building practices, ensuring energy efficiency and environmental responsibility in every project. Partner with us to create comfortable, eco-friendly spaces that contribute to a sustainable future.
U.S. Green Building Council
As a proud member of the U.S. Green Building Council, Comfort Systems USA is dedicated to advancing sustainable building practices that promote environmental stewardship. Our commitment to creating healthier, energy-efficient spaces for communities and future generations drives us to lead the industry with innovative solutions that support a greener future.
Energy Star Partner
As a proud Energy Star partner, Comfort Systems USA is committed to promoting energy efficiency and reducing environmental impact in all our projects. Our expertise helps clients achieve optimal performance and significant energy savings while creating comfortable, sustainable spaces.
Additional Factors

Our Operating Companies
At Comfort Systems USA, our diverse network of over 45 operating companies brings specialized expertise to meet the unique needs of our clients. Each company focuses on specific areas of mechanical, electrical, and plumbing (MEP) services, ensuring tailored solutions for both residential and commercial projects. From HVAC installation and maintenance to advanced building automation and process piping, our operating companies excel in delivering high-quality service and innovative approaches. This collaborative environment fosters resource sharing, enabling us to tackle complex projects with confidence and commitment to customer satisfaction. Together, they represent the strength and dedication of Comfort Systems USA in the building services industry.
Contact Information
WEST, MIDSWEST, & EAST REGION
Ewan Stewart
Regional Service Vice President
ewan.stewart@comfortsystemsusa.com
ATLANTIC & SOUTHEAST REGION
Kristen Scutella
Regional Service Vice President
kristen.scutella@comfortsystemsusa.com