How to Calculate Air Changes 

Course Description:

This course provides both the theory and practical approaches to air changes in your building - the central recommendation by the US Centers for Disease Control and ASHRAE in re-opening and/or operating your building safely while the COVID-19 pandemic continues.  The goal is to provide the student with the information and tools required to help them operate their buildings as safely as possible. 

Course Duration & Fee:

2 Hours 
Course Fee: Free

Course Availability:

The following list of dates are include the availability of this course through 2020. Please select the appropriate course date from the list below when registering online. 

  • Wednesday, 2/10:7:30AM to 9:30AM
  • Wednesday, 2/24: 7:30AM to 9:30AM
  • Wednesday, 3/10: 7:30AM to 9:30AM
  • Thursday, 4/8: 1:00PM to 3:00PM
  • Thursday, 5/6:  1:00PM to 3:00PM
Note: This is an online course, please fill out the form to register. Your log in credentials will be emailed to you upon registering. If you're having trouble receiving the confirmation email, check you SPAM folder or email  


The course provides relevant theory, guidelines, code requirements and practical information on how to determine the air changes that are possible in your building, walks students through the air change determination process, and discusses strategies to improve safety while minimizing cost. 

Course Prerequisites:

  • Familiarity with design drawings and simple calculations 
  • Working knowledge of HVAC systems and Excel spreadsheets 

Course Objectives:

Upon completion of this course, the student will be able to:

  • The need for air changes and recommendations by CDC/ASHRAE 
  • Important definitions and theory related to COVID-19 and air flow 
  • Where to find relevant information, and how to calculate air changes 
  • Possible impacts of changes to your building systems 
  • Other CDC/ASHRAE advice relating to air changes in a pandemic scenario 

What You Will Receive:

Upon the completion of this course students will receive a Certificate of Completion.  We will provide course materials including the course slides, and a video introduction to analytics capabilities. This will be an online only course.