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Our awards and certifications demonstrate the superior quality we have

With our long history of quality and innovation comes a long list of awards, certifications and associations with other industry-supporting companies and groups.  We are proud of our commitment to excellence and we 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.  Below are just some other acknowledgements:


Forbes Most Trusted Companies 2014, 2015, 2016
Houston Chronicle's Top 100 Leading Companies in 2014

Comfort Systems Companies Awards:

ACI Mechanical

  • Eagle award from ABC of Iowa for the ISU Frederiksen Court Project
  • ABC of Iowa Project of the Year award
  • Pyramid Award from ABC National for the Frederiksen Court project

Air Systems Engineering

  • ABC Excellence in Construction Award – 7 Cedars Bingo Hall Renovation

California Comfort Systems USA

  • DBIA 2014 National Design Build Award in the Aviation Category for the Green Build – San Diego International Airport Terminal 2 Expansion


  • Platinum Level Step Award Safety from ABC

Comfort Systems USA Strategic Accounts and Stategic Purchasing

  • ABC Award of Excellence in Safety in 2014 
  • Platinum Level Step Award Safety from ABC 2015
  • Back-to-Back 365 Day Safety Blitz Champions 2015-2016

Comfort Systems USA Southeast

  • Construction Excellence Safety Award - Alabama General Contractors Mobile District


  • Building Award Winner - Bank of America Chiller Change Out in the category of Industrial projects up to $5 million from TEXO, the North Texas Chapter of AGC
  • Gold STEP Award from Associated Builders and Contractors, “ABC”


  • Outstanding Growth 2014 from Distech Controls

Quality Air

  • ABC Excellence in Construction Award – HVAC - for the Grand Rapids Downtown Market
  • ABC Platinum STEP Award for safety

SI Goldman

  • ABC Eagle Award in the $5,000,000-$10,000,000 category for the ORH West CEP


  • LEED® Accredited
  • Six Sigma Methodology
  • Refrigerant Handling
  • Medical Certification
  • ASSE 6010 Certified Medical Gas Installers
  • Certified Cross Connection Control Testers
  • ASHE Healthcare Construction Certificate
  • ASME and NB Accredited
  • National Environmental Balancing Bureau
  • Code of Ethics


  • Energy Star® Partner
  • CHC
  • GSA Contract Holder
  • Siemans Solution Partner
  • Delta Controls
  • Honeywell
  • Member U.S. Green Building Council
  • ISPE
  • Wisconsin Green Building Alliance
  • Focus On Energy/Wisconsin
  • Member, American Society for Healthcare Engineering
  • Member, American Society of Heating, Refrigeration and Air-Conditioning
  • Member, Associated Builders and Contractors (ABC)