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Residential Mechanical Ventilation Design Summary

Published by City of Hamilton

This is the City of Hamilton’s document, as published on its website on 19 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Form
Published by: City of Hamilton
Also called: Residential Mechanical Ventilation Design Summary Form
Form reference: OBC 2012 Div. B 9.32
For: designer
Signed by: designer
Building types: All building types
Pages: 1

Overview

The Ontario Residential Ventilation Design Summary, copyright HRAI, distributed by the City of Hamilton for the design and performance of residential ventilation systems to OBC 2012 Div. B 9.32. It records the civic address, builder and designer with firm BCIN, designer BCIN and HRAI number; the heating system as forced air or non forced air; combustion appliances as direct vent, induced draft, natural draft or solid fuel; the house type and system design option; total ventilation capacity; principal and supplemental exhaust fan capacities; and the designer's consent.

What it covers

1. Location
2. Builder
3. Designer
4. a) Heating Systems
4. b) House Style
5. Combustion Appliances 9.32.3.1.(1)
6. Type of House 9.32.3.1.(2)
7. System Design Option
8. TVC Capacity OBC 9.32.3.3
9. Principal Exhaust Fan Capacity (PEF)
10. Principal Exhaust Fan
11. Supplemental Exhaust Fan Capacity (SEF)
12. Additional Equipment
13. Designer Consent

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