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ASHRAE Offers Online Course on HVAC Systems’ Role in Infection Control

March 24, 2020
Key elements covered in the course include infection control, comfort, reliability, safety, maintenance, energy and flexibility.

ASHRAE will offer a course on the role of HVAC systems in infection control in hospitals. The April 7 course, "Designing and Operating High-Performing Healthcare HVAC Systems," is one of 11 offerings in ASHRAE's spring online instructor-led course series.

"Infection control is a primary purpose of HVAC systems in hospitals," said course instructor Dan Koenigshofer, PE, MS Public Health, HFDP, SASHE. "Although COVID-19 is not considered an airborne contagion, the design and operation strategies described in this course may be helpful during the current pandemic. It appears that COVID-19 can be transmitted through aerosols. The movement and concentration of aerosols can be influenced by the HVAC system. Thus, it's important for hospital engineers to understand the methods to remove and reduce airborne aerosols, using the HVAC system."

The three-hour course focuses on the design and operation of HVAC systems in health-care facilities. The course details the relationship of infection control and HVAC design, including application of ASHRAE's “HVAC Design Manual for Hospitals and Clinics, Second Edition,” and “ANSI/ASHRAE/ASHE Standard 170-2017 Ventilation of Health Care Facilities.” Key elements covered in the course include infection control, comfort, reliability, safety, maintenance, energy and flexibility. 

Course topics are as follows:

  • Discussion of costs of hospital-associated infections in the United States’
  • Controversial issues regarding HVAC and infection control such as air change rates and levels of filtration;
  • Engineering methods to maintain proper temperature and humidity;
  • How and why to pressurize to move air from clean to less clean areas;
  • The equation for the probability of getting an infection;
  • Reasons why the air velocity is limited (deposition and thermal plume); and
  • The design of airborne infectious isolation rooms, protective isolation rooms, operating rooms, emergency depts, sterile processing department and infection control risk assessments.

The course will highlight the design, operation and methods of filtration, UV lighting, and monitoring of pressure, temperature and humidity in HVAC systems for health-care facilities.

Participants can access this instructor-led course from anywhere with an Internet connection and earn continuing education units/professional development hours for each course completed.

The other 10 courses are:

  • April 21: Principles of Building Commissioning: ASHRAE Guideline 0 and Standard 202
  • April 23: Air-to-Air Energy Recovery Applications: Best Practices
  • April 30: Variable Refrigerant Flow System: Design and Applications
  • May 5: Latest in High-Performance Dedicated Outdoor Air Systems (DOAS)
  • May 7: Solar PV and Thermal Systems Analysis and Design
  • May 14: V in HVAC — What, Why, Where, How, and How Much
  • May 21: Humidity Control I: Design Tips and Traps
  • May 26: Save 40% by Complying with Standard 90.1-2019
  • June 2: Designing for Cold Climates
  • June 9: Successfully Managing the Risk of Legionellosis Using ASHRAE Standard 188

To register, visit