Changes to Canadian building codes and standards are likely to increase the use of residential ventilation systems by homeowners. This has raised concerns about operating and maintenance costs, particularly because much of the existing residential equipment is not designed for longevity, or energy efficiency. The technical potential for improving the longevity and efficiency of ventilation systems has been documented in other research reports by CMHC.
This document is the final report on a field assessment of proposed revisions to Article 9.32 of the Ontario Building Code. In the fall of 1992, Buchan, Lawton, Parent Ltd. was commissioned by the Ontario New Home Warranty Program, on behalf of a group of Project Partners comprised of government agencies and industry groups1, in order to undertake a field assessment of the residential construction industry's ability to install mechanical ventilation systems for houses to meet the requirements of the proposed Revisions.
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