Shaping Tomorrow's Built Environment Today

Successfully Managing the Risk of Legionellosis Using ASHRAE Standard 188-2015 (Co-sponsored by NSF)

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Course Length: 3 hours

Legionellosis is a health and safety concern for facility owners and operators, and for those who design, manage, and oversee building water cooling systems. Legionellosis refers to two distinct clinical illnesses: Legionnaires’ Disease, which causes pneumonia; and “Pontiac fever,” which is more influenza-like.

ASHRAE Standard 188-2015 establishes the minimum legionellosis risk management requirements for the design, construction, installation, commissioning, operation, maintenance and service of centralized building water systems and components.

This course describes the environmental conditions that promote the growth of Legionella in water systems, and the locations where Legionella control measures can be applied in new and existing buildings. A comparison between general compliance and compliance for certain health care facilities will be provided. The course focuses on the compliance with Standard 188-2015 to provide a safer and healthier building environment.

Course Instructors

Michael Patton, Member ASHRAE

William E. Pearson, II, CWT, Member ASHRAE

Additional Information

All courses are available for Chapter and In-Company Programs. Courses may be periodically scheduled for the Winter and/or Annual Conference Education Programs, as well as the Online Courses Series.

Chapters or Companies: Contact Karen Murray, Manager of Professional Development ( or 678-539-1146), to schedule an ALI seminar or course at your organization or event.

Availability: Check the various offerings listed under Professional Development > Learning Portal to see if this course is being offered at an upcoming event.