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The Comfort Systems Difference

Whether amping up productivity with high-performance work environments or designing innovative systems that improve the very air we breathe, we’re dedicated to providing lasting solutions that positively impact our communities—and each other. We empower businesses to do business better. More efficiently. More economically. More safely. We build mutually beneficial partnerships so our customer, and our team, can thrive. Every. Single. Day. Welcome to the Comfort Systems Difference.


Quality people creating mechanical solutions to maintain our customer’s trust. We strive for innovation, integrity and reliability in everything we do.


To be the innovative leader providing solutions for the built environment.


In the office or in the field, we approach everything we do with these values at our core:

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Be Safe

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Be Honest

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Be Respectful

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Be Innovative

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Be Collaborative

Diversity Enriches Our Perspective

When a wide variety of cultures, backgrounds and opinions interconnect in a true teamwork environment, a broad spectrum of ideas and solutions emerge. Cultivating a rich, diverse and inclusive culture has, and continues to be, a company-wide commitment as Comfort Systems USA Southwest strives to reflect the communities and clients we serve—and to deliver exceptional results.

We Are Committed To:

  • Recruiting, developing and retaining a diverse talent base
  • Fair and equitable pay for all employees
  • Assembling diverse teams
  • Driving understanding, education and awareness
  • Ensuring everyone is empowered to succeed
  • Valuing each person’s skills, ideas and perspectives
  • Proactively seeking diverse industry partners and suppliers

Healthier, More Sustainable Buildings Start Here

We pride ourselves on being a leader in the green building movement and will assist you in determining the best choices to achieve your vision of energy efficiency and LEED certification for your project. By leveraging our design-build-replace-maintain approach, we integrate energy efficiency and U.S. Green Building Council (USGBC) standards into both new construction and retrofit/renovation projects. Benefits of this approach include:

  • Enhanced occupant well-being and comfort
  • Reduced operating costs
  • Reduced environmental impact
  • Increased building valuation and return on investment (ROI)
  • Marketing advantage
  • Improved commitment to environmental stewardship

Our R.E.A.L. Initiative

It’s time to get REAL and take Responsibility for the Environment, quality of our indoor Air, and improve people’s lives when designing, building and maintaining the spaces that keep our communities functioning.

The Comfort Systems USA Southwest R.E.A.L. initiative focuses on educating and leading our customers to mechanical designs that will lower your carbon footprint while providing a more sustainable design, technologies that will produce greater safety with advanced Indoor air quality products and advanced technology HVAC systems that will help you leverage available and emerging HVAC technologies to reduce energy and waste while providing a better, more efficient environment for your occupants. We offer the expertise to guide you in choosing the latest available solutions and methodologies related to these timely and relevant topics that affect the environment, your buildings and the people who occupy them.

Associations We Support

  • Associated Builders and Contractors Inc.
  • BOMA International
  • CASH
  • IFMA
  • SMPS Arizona
  • Valley Partnership
  • 24x7Change
  • ACCA


Ranking Arizona – #2 Best Mechanical Contractor (2021)
Ranking Arizona – #9 Best Mechanical Contractor (2020)

With our long history of quality and innovation comes an extensive list of awards. We are proud of our commitment to excellence and are happy to be recognized by our customers and leading industry organizations. We are an Energy Star® partner and a member of the United States Green Building Council, with LEED® accredited professionals in all of our operating companies.

Forbes – America’s Most Trustworthy Companies (2014, 2015, 2016)
Phoenix Business Journal – Phoenix Top Mechanical Contractor
Air Conditioning Contractors of America – Excellence in Commercial Contracting
Ranking Arizona – #1 Mechanical Contractor
Phoenix Business Journal – Best Places to Work
Associated General Contractors of America – Marvin M. Black Partnership Awards
Southwest Contractor Magazine – Best of Arizona / Arizona Top Project

Award-Winning Projects

Each of the below projects received a BEST PROJECT and/or TOP PROJECT award from Southwest Contractor Magazine:

  • Goodyear Ballpark & Recreation Complex (250-acre spring training ballpark seating for 10,000)
  • Two Waters SRP-MIC Tribal Government Complex (180,000-SF government genter with 220-seat Tribal Council chamber)
  • Banner Health Del E. Webb Medical Center Expansion (205,000-SF six story patient tower txpansion)
  • 44 Monroe (34 floor residential structure in downtown Phoenix)
  • Polly Rosenbaum State Archives & History Building (140,000-SF storage of archives and artifacts)
  • Glendale Community College – North Expansion (Services/community building and central plant)
  • Betty H. Fairfax High School-Phoenix USD (298,000-SF high tech facility for 2,500 students)
  • Rio Vista Recreation Center (51,376-SF design-build community center)
  • ASU Interdisciplinary Science & Technology Building (ISTB II) (44,377-SF research laboratory – LEED© Silver Certified)
  • Arizona Biomedical Collaborative (85,000-SF lab facility – LEED© Certified)
  • Avondale Civic Center (118,000-SF city hall and public safety facility)
  • U.S. Federal Penitentiary in Tucson, AZ (670,000-SF penitentiary and prison camp) *This project also won the national AWARD OF EXCELLENCE from the Design Build Institute of America.
  • Southwest Ambulance Corporate Center & Training Complex (127,000-SF operations and maintenance complex)
  • SmithGroup Offices at Arizona Center (25,000-SF for leading architectural firm)
  • Fox Tucson Theater (major historical renovation of 1,200 seat 1930’s theater)
  • Water Bottling Plant World Headquarters (600,000-SF of warehouse/manufacturing)
  • ASU Parking Garage (6-story, 1650 spaces masked by retail)

Let’s Create a Healthier, More Sustainable Future.

Comfort Systems USA Servicing Arizona Icon

(602) 437-4428 (Service)
(480) 940-8400 (Construction)

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(520) 628-8640 (Service)
(520) 629-0820 (Construction)

Comfort Systems USA Servicing New Mexico Icon

(505) 856-9250