MarkhamBuilding InspectionsInspections

Carbon Monoxide Alarms

Published by City of Markham

This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Guide
Published by: City of Markham
Date: January 1, 2025
Also called: Carbon Monoxide Detectors
For: builder
Building types: All building types
Pages: 5
Instruments: CAN/CSA-6.19 · UL 2034 · NFPA 72

Overview

Builder Tip Issue No. 38 from the City of Markham Building Standards Department, linked as Carbon Monoxide Detectors among the City's housing tips under the 2024 Ontario Building Code; five pages, dated January 1, 2025. It quotes Articles 9.32.3.9. to 9.32.3.9C. on which buildings they apply to, alarm locations in suites, sleeping rooms, public corridors and service rooms, and installation: hard-wiring, battery backup, interconnection, audibility, visual signals and conformance to CAN/CSA-6.19 or UL 2034. The Objective summarizes placement near fuel-burning appliances and attached garages.

What it covers

9.32.3.9. Application of Carbon Monoxide Alarms
9.32.3.9A. Location of Carbon Monoxide Alarms
9.32.3.9B. Location of Carbon Monoxide Alarms in All Buildings
9.32.3.9C. Installation and Conformance to Standards
Objective

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