HRAI’s ventilation training program is going through a significant updating. The course has been segmented into discrete modules focused on distinct approaches – for example, the approaches required for Part 9 vs CSA F326. HRAI will also offer a new training module that includes some hands-on-training based around the installation and balancing of HRVs/ERVs. A new on-line, self-learning introductory training module on “Basic Principles of Residential Ventilation” will allow new students to learn the basic principles of ventilation at their own pace so that all in-class participants start from the same platform of basic understanding.

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HRAI Ventilation Course Update
Presented by
Tom Cates

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Last updated in
2006
Significant
changes to the
2005 NBC
NBC
Recertification
program 1-day
updater
Ventilation
Installation Level
1 [3-day]
OBC 9.32 Code
Guide
NBC 9.32 Code
Guide
BCBC 9.32 Code
Guide
Ventilation
Design Level 2
[3-day]
Vent 1 was a
prerequisite for
Vent 2
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HRAI Ventilation Course History

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Student Evaluations
•Focus should be on one code or
standard at a time
•Confusion, because both 9.32 and F326
were covered
•To much material in a short time
•More selection on specific training
•Move to an online format
Industry
•Energy performance housing
•More employee training
•More selection on specific training
•Municipal Building Department
recognition
•Hands-on component
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Why the Changes

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Residential
Ventilation using
Section 9.32 of the
Building Code [2-
day]
•OBC 9.32 Design
•NBC 9.32 Design
•BCBC 9.32 Design
Residential
Ventilation using
CSA F326 [3-day]
HRV/ERV
Installation &
Balancing
Fundamentals [1-
day]
Depressurization
Testing of
Residential
Systems [1-day]
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Re-organized into the following modules
Basic Principals of
Residential
Ventilation [On-Line]

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Residential Ventilation using Section 9.32
of the Building Code [2-day]
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New 9.32 Duct Sizing Worksheets
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New Exercises with Colour Graphics

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Schedule
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Residential Ventilation using CSA F326
[3-day]
Covers F326 design requirements
(acceptable in all provinces)
HRAI simple duct sizing meeting the
requirements of part 6 (HRAI Digest)
New updated F326 design worksheets
(fillable pdf)
New exercises that are specifically
created to require an F326 design
Full set of Design Procedures for easier
use after the training is complete

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Schedule
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Covers HRV/ERV
balancing and
installation
requirements
Recognized by
Municipalities
across the country
New HRV/ERV
balancing report &
label
Equipment
servicing checklists
Problem solving
diagnostics list
Hands-on based
training
Better student
assessment
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HRV/ERV Installation & Balancing
Fundamentals [1-day]

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Contributors

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Broader group of participants
WETT certification Radon Mitigation Fossil Fuel Technicians
Covers how to complete HRAI’s depressurization test report
Considers when a depressurization test is required
Covers three depressurization standards (CGSB 5171, CSA F300, CSA F326)
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Depressurization Testing of Residential
Systems [1-day]

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Ventilation Designation
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Residential
Ventilation
Design
Technician RVDT
Residential
Ventilation using
Section 9.32 of
the Building
Code
HRV/ERV
Installation &
Balancing
Fundamentals
Depressurization
Testing of
Residential
Systems
Residential
Ventilation using
CSA F326

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THANKS FOR YOUR TIME
Tom Cates RASDT RHDT
Instructor – HRAI
tomlcates@yahoo.ca