HRV/ERV Installation & Balancing Fundamentals
Participants will receive the skills and knowledge to balance the airflows of Heat and Energy Recovery Ventilators (HRV/ERVs). They will also have an overview of the installation and measurement requirements. An HRAI checklist for installation and servicing of HRVs and ventilation systems will be made available, for use when on the job.
After an instructor-led demonstration, participants will be divided into two groups to complete a hands-on assessment of balancing and a brief exam on installation requirements and the theory and application of airflow measurement. Participants are encouraged to bring their own measuring equipment and use it in a comfortable learning environment.
Learning Objectives
- Describe the basic requirements for locating equipment including grills
- Explain how to install the condensate line for an HRV/ERV
- Use commonly available equipment for measure air velocity and/or flow
- Demonstrate the basic methods for balancing an HRV/ERV
- Understand when it may be necessary to consult with the designer on issues discovered on site
- List various ways to improve the airflow in an existing duct system
- Describe the ways that airflow can be adjusted
- Interpret a ventilation design to determine the airflow required from the HRV/ERV
Major Takeaways
- Certification as an HRV/ERV Balancer, which is recognized by many jurisdictions
- The ability to use a variety of flow measuring devices to measure and balance air flow
- A good understanding of installation practices
Prerequisite
Details vary depending on the local code, so participants are required to attend HRAI’s Residential Ventilation using Section 9.32 of the Building Code OR Residential Ventilation using CSA F326 course before being able to attend the HRV/ERV Installation & Balancing Fundamentals course.
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