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Send photos of existing alarms and labels, with a simple floor-by-floor layout.
CO Detector Installation & Interconnect
Plan CO alarm installation or replacement around the home's layout, fuel-burning equipment and existing alarm system. The scope distinguishes battery, plug-in and hardwired devices, and confirms whether the selected alarms support interconnection.
Request a CO alarm installation estimateWhat is checked before work
- Home layout, sleeping areas, fuel-burning equipment and attached garage
- Existing alarm locations, power source, model and expiry information
- Manufacturer-approved compatibility of interconnected devices
- Wiring access and any additional work needed for the selected system
Common reasons homeowners contact us
- An expired, missing or defective CO alarm
- Reviewing coverage on each storey and near sleeping areas
- Replacing hardwired alarms without losing required functions
- Adding compatible interconnection during renovation
What we can help with
- Confirmation of alarm locations and selected device type
- Replacement or addition of the agreed alarms
- Compatible interconnection where specified and feasible
- Testing using the manufacturer's procedure and explaining routine checks
What is included
- Review of existing devices and proposed coverage
- Identification of hardwired work for the electrical contractor
- Installation and testing of the agreed devices
- Recording the installed models and replacement information available on them
What may require additional assessment
- New wiring or access openings for hardwired devices
- Incompatible alarms that require a wider system replacement
- Additional locations identified during the coverage review
- Requirements specific to rental, multi-unit or newly renovated premises
How the work normally proceeds
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The assessment confirms locations, power and compatibility before devices are selected.
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The estimate separates alarm installation from any wiring or finish repairs, then the installed devices are tested.
Related electrical work
Project
Taking Basement Electrical Work from Rough-In to Finish
A finished basement needs an electrical plan tied to room use, walls and ceiling access. Coordinate rough-in, required review and final devices before construction closes the space.
Homeowner Guides
Homeowner guide
What Information Helps Us Prepare a Renovation Estimate?
Photos, measurements, access, product choices, and clear project notes help make your estimate request useful.
Homeowner guide
Handyman, Contractor or Licensed Trade: Who Should I Call?
Match the person you hire to the actual repair, renovation and regulated trade work in your scope.
Common questions
Since January 1, 2026, applicable houses need CO alarms near each sleeping area and on every storey. This includes homes with fuel-burning appliances, fireplaces, attached garages or specified external fuel-fired heated-air supplies. Confirm your property's requirements before choosing locations.
Only if the devices and connection method are compatible under the manufacturer's instructions. Hardwired power alone does not establish compatibility, and mixing brands or models cannot be assumed to work.
Only if it is a combination model explicitly labelled for both functions. We check the actual devices when reviewing coverage; a smoke-only alarm does not provide CO detection.
Service area
Ottawa and nearby communities. Include your neighbourhood, parking and access details so we can confirm the visit arrangements.
Estimate
Planning a similar project?
Send photos and project details to clarify the scope and next step.
Request a CO alarm installation estimate