Small Commercial Air System Design

What is the cost?

Member Price:  $895.00 + tax   Non-Member Price$1,225.00 + tax

HRAI Training may be eligible for partial fee reimbursement under the Canada Job Grant Fund Program (HRAI Registration #R108084138).  Check with your provincial job grant body for more details.

For any assistance, please call 1-800-267-2231 ext 241.

Who would benefit from this course?

HVAC technicians, designers

What you will learn

This 3-day course builds on the knowledge and skills acquired in the small commercial Heat Gain & Heat Loss Calculations course. Participants will learn to properly design commercial air distribution systems for applications of up to 3 stories and 600 square metres per storey. The course provides instruction on such topics as fan laws, duct types and their configurations, air distribution methods, layout and design of low velocity duct systems, design methods, air delivery systems and fire damper installation. Also covered is the sizing of supply and return air ducts, including the proper selection of supply and return registers and grilles, C.F.M calculations, external static pressure and sheet metal fittings. Please note: A-Duct-A-Lator is recommended for this course. A digital "Small Commercial Air System Design" Course Manual is included with your registration fee. For a Hard Copy Manual go to Program Options below and click on “ADD”. There is a $35 charge for shipping/handling.


Major Takeaway

  • Graduates of this course will have the opportunity to learn how to properly design commercial air distribution systems.


PLEASE NOTE: A Duct-A-Lator is recommended for this course.

When and where is the course?

Course Type Date Time  

Virtual Classroom

May 7-9, 2024 8:30am - 4:30pm CDT Register Today

Dates not suitable for your schedule?


Cancellation Policy

  • Registration fees will be refunded in full if cancellation is received by HRAI at least 30 days prior to the training date.
  • Cancellations received 15–29 days prior to the training date are subject to a $150 cancellation fee.
  • Registrants who do not attend the training or who cancel less than 15 days prior to the training date are liable for the entire registration fee.
  • A substitute registrant may be enrolled at any time by contacting us at, or by phone at 1-800-267-2231 ext 230.


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