PART 2 — RESERVEDUpdated for the 2024 Ontario Building Code
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2.4.2.2.Greenhouses
(1) Except as provided in Sentence (2), where a fuel-fired appliance is installed in a farm building containing a
Group G, Division 3 major occupancy, separate combustion air and flue systems shall be provided.
(2) Sentence (1) need not apply where the fuel-fired appliance
(a) is specifically designed as a generator of carbon dioxide for enrichment of the atmosphere in the farm building, and
(b) conforms to CSA B149.1, “Natural gas and propane installation code.”
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.