New Standard Published: ANSI/IICRC S590 Standard for Assessing HVAC Systems Following a Water, Fire, or Mold Damage Event


New Standard Published: ANSI/IICRC S590 Standard for Assessing HVAC Systems Following a Water, Fire, or Mold Damage Event

Las Vegas, NV - November 22, 2023 - The Institute of Inspection, Cleaning and Restoration Certification (IICRC) announces the publication of a new ANSI-approved ANSI/IICRC S590 Standard for Assessing HVAC Systems Following a Water, Fire, or Mold Damage Event (l5t edition, 2023).

The HVAC assessment process identifies impacted and non-impacted HVAC internal surfaces after a water, fire, or mold damage event. This Standard contains procedures to perform HVAC assessments and create a written report and Restoration Work Plan (RWP) of work for residential, commercial, institutional, and healthcare buildings. The document lists methods and procedures to determine visual deposition and odor retention.

This Standard determines the condition of HVAC systems subject to a water, fire, or mold damage event, and includes the following:

HVAC Assessment Principles
HVAC Assessors Qualifications
Determining Restorable Non-Restorable Components
Testing Methodologies
Sampling Protocols
Test Results and Recommendations
Safety and Health
Limitations, Complexities, Complications, and Conflicts
Documentation and Reporting
Specific Considerations Following a Water, Fire, or Mold Damage Events
HV AC Assessment Flowcharts

Tom Yacobellis, IICRC S590 Consensus Body Chairman, said: "I want to thank the IICRC S590 Consensus Body for their dedication and persistence in developing the HVAC Assessment Standard. This standard represents a significant milestone, integrating multiple IICRC standards and the NADCA ACR Standard. The Consensus Body's commitment to excellence will undoubtedly elevate the industry. The S590 Consensus Body also recognizes the invaluable guidance provided by the IICRC Standards leadership team and the management staff in shepherding our committee to meet strict ANSI requirements."

Brandon Burton, IICRC Standards Chairman, said: "This entirely new Standard provides the industry an accepted Standard of Care that reflects what is current and prudent in the field of HVAC System Assessment following Water, Fire or Mold Damage. I commend Mr. Yacobellis and the current IICRC S590 Consensus Body on the countless hours and effort they have volunteered to this new Standard, and to their ongoing commitment to our industry and its stakeholders."

To purchase a copy of the new ANSI/IICRC S590: 2023 and other standards, visit IICRC standards are also available via the IICRC Standards Subscription website at For more information on other certification programs and standards offered by IICRC, visit

The IICRC is a global standards developing organization (SDO), accredited through the American National Standards Institute (ANSI), as well as a credentialing body that certifies individuals in 20+ categories within the inspection, cleaning, and restoration industries. With more than 60,000 certified technicians and 6,000 Certified Firms in 22 countries, the IICRC, in partnership with regional and international trade associations, represents the entire industry. The IICRC does not own schools, employ instructors, produce training materials, or promote specific product brands, cleaning methods, or systems. For more information, visit


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