National model codes
The National Building Code addresses new construction, alterations and changes of use. The National Fire Code addresses ongoing fire safety in buildings and facilities.
Canada Smoke & Carbon Monoxide Alarm Code Guide | Kidde
Canada-Wide Kidde Code Guide by MarsLED
Canada Smoke & Carbon Monoxide Alarm Code Guide
Compare smoke-alarm and carbon-monoxide requirements across all 10 provinces and three territories. Use this national hub to reach the local guide for your jurisdiction, understand common alarm-planning principles and compare Kidde smoke, CO and visual-strobe alarm options available from MarsLED.
13 Provincial & Territorial Guides
Smoke & CO Requirements
Rental & New-Build Guidance
Kidde Product Comparison
Important legal and code disclaimer — information reviewed July 18, 2026
This page is provided by MarsLED solely for general educational, comparison and product-selection information. It summarizes publicly available federal, provincial, territorial, municipal, code and manufacturer information reviewed as of July 18, 2026. It is not legal advice, engineering advice, architectural advice, fire-protection design advice, electrical advice, a code interpretation, an inspection, an approval, or a representation that any product or installation complies with every requirement applicable to a particular property, occupancy, permit, tenancy or project.
Codes, statutes, regulations, bylaws, standards, permit conditions, inspection orders and official interpretations may change or differ by jurisdiction. Before purchasing, specifying, replacing or installing an alarm, the customer, owner, landlord, tenant, contractor and design professional must independently verify current requirements with the applicable building official, fire authority, electrical authority, municipality, permit issuer and any other authority having jurisdiction.
Smoke and CO alarm guides by province and territory
Select the jurisdiction where the property is located. Each provincial or territorial guide includes local legal and code context, smoke- and CO-alarm planning, rental guidance, project considerations, product comparisons, official sources and Canada-wide ordering information.
Ontario
Ontario Fire Code, Building Code, rental responsibilities, CO triggers and replacement planning.
Open Ontario guide →
Alberta
Alberta building and fire-code context for homes, rentals, renovations and new construction.
Open Alberta guide →
British Columbia
BC Building Code, Fire Code, local authority review and residential alarm planning.
Open British Columbia guide →
Manitoba
Manitoba smoke- and CO-alarm requirements, rental duties and project-specific guidance.
Open Manitoba guide →
Saskatchewan
Saskatchewan code framework, residential protection, rentals and building-permit planning.
Open Saskatchewan guide →
Québec / Quebec
French-first bilingual guidance for smoke and CO alarms, municipal rules and housing applications.
Ouvrir le guide du Québec →
Nova Scotia
Nova Scotia fire-safety, residential, rental and construction alarm guidance.
Open Nova Scotia guide →
New Brunswick
New Brunswick smoke- and CO-alarm planning for homes, rentals and permitted projects.
Open New Brunswick guide →
Prince Edward Island
PEI residential alarm requirements, maintenance, rentals and new-construction considerations.
Open PEI guide →
Newfoundland and Labrador
Provincial smoke- and CO-alarm requirements, fire safety and project planning.
Open Newfoundland and Labrador guide →
Yukon
Yukon legal requirements, existing-building permits, rentals and fuel-burning risks.
Open Yukon guide →
Northwest Territories
NWT code adoption, smoke-alarm placement, CO planning and rental-property guidance.
Open NWT guide →
Nunavut
Nunavut code framework, smoke-alarm maintenance, wood-stove permits and CO protection.
Open Nunavut guide →
How alarm rules work across Canada
Canada’s national model codes set technical requirements that provinces and territories can adopt, amend or replace on different schedules. Municipal bylaws, fire-code provisions, tenancy laws, permit conditions and inspection orders can add another layer of requirements.
National sources:
National Building Code of Canada 2025
National Building Code of Canada 2020
National Fire Code of Canada 2020
Provincial and territorial adoption
Each jurisdiction determines which edition applies, what amendments are made and when new requirements take effect.
Local enforcement
Municipalities, fire services, building officials, electrical authorities and permit issuers apply the requirements to specific properties and projects.
Use the local guide—not a national assumption.
A requirement applying in one province, territory, municipality or permit situation may not
apply identically in another.
Canada-wide jurisdiction comparison
This table is a navigation and planning summary, not a substitute for each provincial or territorial guide or an official code review.
| Jurisdiction | Local guide focus | Open guide |
|---|---|---|
| Ontario | Fire Code, Building Code, CO law, rentals and replacement planning | Ontario guide |
| Alberta | Provincial building/fire framework, residential and rental projects | Alberta guide |
| British Columbia | BC codes, local bylaws and residential alarm design | BC guide |
| Manitoba | Smoke/CO requirements, rentals and renovation planning | Manitoba guide |
| Saskatchewan | Code framework, residential safety and permits | Saskatchewan guide |
| Quebec | Bilingual provincial and municipal guidance | Quebec guide |
| Nova Scotia | Fire safety, rentals and residential construction | Nova Scotia guide |
| New Brunswick | Residential, rental and permit considerations | New Brunswick guide |
| Prince Edward Island | Residential alarms, maintenance and construction | PEI guide |
| Newfoundland and Labrador | Provincial code, fire safety and project planning | NL guide |
| Yukon | Legal requirements, existing-building permits and rentals | Yukon guide |
| Northwest Territories | 2020 code adoption, placement and CO planning | NWT guide |
| Nunavut | Code framework, maintenance, wood stoves and CO protection | Nunavut guide |
Common smoke-alarm planning principles
Although exact laws differ, most residential projects should begin by reviewing every storey, sleeping rooms and sleeping-area routes, the existing alarm network and the manufacturer’s installation and replacement instructions.
Coverage throughout the home
Confirm the required number and locations of smoke alarms on each storey, near sleeping areas and inside sleeping rooms where required.
Power and backup
New construction and permitted alterations may require hardwired power, backup power and specific circuit arrangements.
Interconnection
Where multiple alarms must be interconnected, activation of one compatible alarm causes the other alarms in the network to sound.
Test and replace alarms according to the manufacturer.
An alarm that is expired, damaged, unreliable or of unknown age should be evaluated for replacement.
Common carbon-monoxide alarm planning principles
Carbon monoxide has no smell, taste or colour and can only be detected by a CO alarm. Health Canada advises homes using combustion appliances or equipment to have a certified CO alarm with battery backup, with the most important location in hallways outside sleeping areas.
Federal sources:
Health Canada: preventing CO exposure
Health Canada Healthy Home Guide
Canadian certification marks
Combustion equipment
Furnaces, boilers, fireplaces, wood stoves, gas appliances, generators and other fuel-burning equipment can create CO.
Attached garages
Vehicle exhaust can migrate into occupied areas through doors, walls, floors and other openings connected to an attached garage.
Certified products
Choose smoke and CO alarms carrying a recognized Canadian certification mark directly on the alarm, not only in an online description or on packaging.
A smoke-only alarm does not detect carbon monoxide.
Use a listed combination smoke/CO alarm or a separate listed CO alarm where both functions
are required.
Rental properties, renovations and new construction
Ownership, tenancy and project scope can materially change the applicable alarm requirements. Review the regional guide before selecting products or planning installation.
| Project context | Start with | Verify locally |
|---|---|---|
| Existing owner-occupied home | Alarm age, condition, placement and current network | Fire-code, retrofit and local bylaw requirements |
| Rental property | Working required alarms and documented maintenance | Landlord and tenant duties under local law |
| Hardwired replacement | Existing model, voltage, connector and mounting plate | Approved adaptor and interconnect compatibility |
| Renovation or addition | Permit scope and existing alarm arrangement | Upgrade triggers, power, backup and interconnection |
| Secondary suite or change of use | Approved building and fire-safety design | Suite, common-space and whole-building requirements |
| New construction | Approved plans and adopted code edition | Complete smoke/CO layout, electrical work and commissioning |
Compare Kidde smoke, CO and strobe alarm options
These products support different applications. The correct choice depends on the required sensing functions, visual notification, power source, backup, interconnection, existing alarm network and local code.
Kidde P4010ACLEDSCOCA-2
Hardwired smoke and carbon-monoxide alarm with voice warnings, integrated 177-candela LED strobe and sealed 10-year backup battery for the alarm functions.
View P4010ACLEDSCOCA-2
Kidde P4010ACLEDSCA
Hardwired smoke alarm with voice warning, integrated 177-candela LED strobe and sealed 10-year backup battery. This model does not independently detect CO.
View P4010ACLEDSCA
Kidde P1275CA Replacement Guide
Replacement planning for the discontinued P1275CA hardwired smoke alarm. Confirm connector, mounting, voltage, adaptor and interconnect compatibility before ordering.
View P1275CA Replacement Guide| Feature | P4010ACLEDSCOCA-2 | P4010ACLEDSCA | P1275CA |
|---|---|---|---|
| Smoke detection | Yes | Yes | Yes |
| CO detection | Yes | No | No |
| Integrated LED strobe | Yes, 177 cd | Yes, 177 cd | No |
| Hardwired AC power | Yes, 120 V AC | Yes, 120 V AC | Yes, 120 V AC |
| Backup battery | Sealed 10-year backup for alarm functions | Sealed 10-year backup for smoke-alarm function | Replaceable battery backup |
| Primary application | Smoke + CO + visual warning | Smoke + visual warning | Legacy hardwired replacement research |
Replacing an older hardwired Kidde alarm
A replacement alarm must be selected for the complete system—not only by matching the shape of the old alarm. Record the model number, age, voltage, wiring harness, mounting plate, sensing functions and every alarm connected to the network.
Replacement resources:
Kidde Canada alarm replacement guide
Kidde 20SAR-CA specifications
MarsLED P1275CA replacement page
Identify every connected alarm
Record all smoke, CO and combination models in the interconnected system.
Check physical and electrical fit
Confirm voltage, connector, approved adaptor, mounting plate and available box space.
Verify interconnection
Confirm that all replacement devices are approved to communicate within the network.
Do not assume any current model is an automatic drop-in replacement.
Final compatibility should be confirmed through Kidde Canada, current product documentation
and a qualified installer.
Frequently asked questions
Are smoke-alarm laws identical across Canada?
No. Provinces and territories adopt and amend model codes differently, and municipal
bylaws, fire-code rules, tenancy laws and permit conditions may add local requirements.
Which provincial and territorial guides are included?
Ontario, Alberta, British Columbia, Manitoba, Saskatchewan, Quebec, Nova Scotia,
New Brunswick, Prince Edward Island, Newfoundland and Labrador, Yukon,
Northwest Territories and Nunavut.
Does every Canadian home require the same number of smoke alarms?
No. The required number and locations depend on the jurisdiction, building layout,
storeys, sleeping areas, occupancy, construction date and project scope.
Does a smoke alarm detect carbon monoxide?
A smoke-only alarm does not detect CO. Choose a listed combination alarm or a separate
certified CO alarm where carbon-monoxide detection is needed.
Where should a carbon-monoxide alarm be installed?
Health Canada identifies hallways outside sleeping areas as the most important location,
but the exact number and locations must follow local law and manufacturer instructions.
Can I replace a hardwired alarm with a battery-only alarm?
Not automatically. A hardwired or interconnected system should not be downgraded without
confirmation from the applicable authority and a qualified installer.
Does P4010ACLEDSCA detect CO?
No. P4010ACLEDSCA is a smoke alarm with visual notification.
P4010ACLEDSCOCA-2 adds independent CO detection.
Does the integrated Kidde strobe operate during a power outage?
The integrated strobe requires normal AC power. Backup power supports the alarm
functions identified by the manufacturer.
National references and helpful resources
This Canada guide provides access to all 13 MarsLED provincial and territorial guides, along with primary national and manufacturer resources. Always confirm the current provincial, territorial and local requirements applying to the property.
National Building Code of Canada 2025 ↗
Latest national model building-code edition published by the NRC.
National Building Code of Canada 2020 ↗
Technical requirements adopted in several Canadian jurisdictions.
National Fire Code of Canada 2020 ↗
National model fire-code requirements and adoption guidance.
Health Canada CO prevention ↗
CO risks, alarm locations, certification and emergency guidance.
Health Canada home fire safety ↗
Smoke-alarm purchasing and Canadian safety-standard information.
Canadian certification marks ↗
CSA, cUL, ULC and cETL marking guidance for alarm purchases.
Kidde P4010ACLEDSCOCA ↗
Official smoke/CO, voice, 177-candela strobe and backup specifications.
Kidde P4010ACLEDSCA ↗
Official smoke-only visual-strobe alarm specifications.
Kidde Canada replacement guide ↗
Official discontinued-alarm replacement planning.
Read full legal disclaimer and limitation of responsibility
Terms of use and limitation of responsibility
Page reviewed against the cited public sources as of July 18, 2026. MarsLED does not warrant or guarantee that this page is complete, error-free, current after that date, suitable for a particular property or project, or accepted by any authority having jurisdiction. Codes, regulations, standards, bylaws, permit conditions, inspection orders, official interpretations, certifications, product specifications, compatibility and availability may change without notice.
MarsLED is not acting as a lawyer, engineer, architect, fire-protection consultant, electrician, building official, fire official, inspector, permit issuer or authority having jurisdiction. The customer, owner, landlord, tenant, designer, contractor, installer and all other project participants remain solely responsible for confirming current legal and code requirements, selecting suitable products, obtaining permits and approvals, engaging qualified professionals, and ensuring correct installation, commissioning, testing, maintenance and replacement.
No statement, comparison, example, website link or product recommendation on this page is a warranty, certification, approval or guarantee that a product or installation will pass inspection or comply with every requirement applicable to a particular building, tenancy, occupancy or project.
To the maximum extent permitted by applicable law, MarsLED and its directors, officers, employees, contractors and agents disclaim responsibility for loss, damage, injury, cost, claim, delay, failed inspection, rejected permit, tenancy dispute, deficiency, incompatibility, installation expense or non-compliance arising from reliance on this page or from the selection, purchase, specification, installation, modification, replacement, testing, maintenance or use of any product referenced on it.
Nothing on this page limits any right, remedy, duty or liability that cannot lawfully be excluded or limited under applicable consumer-protection, residential-tenancies, product-liability or other legislation.
Need help selecting Kidde alarms for a Canadian project?
Share the province or territory, municipality, building type, project scope, existing alarm model, fuel-burning equipment, garage arrangement, required sensing functions and whether visual notification is specified. MarsLED can help identify product options, while final code and installation approval remains with the applicable authority and project professionals.