10 Best mains electric interlinked smoke alarms in Canada

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Last Updated - 2026/07/01

Best Choice

01
Kidde

Kidde CUACFEX Hardwired Smoke and Carbon Monoxide Alarm with AA Battery Backup, Interconnectable, Model 21033083
Main highlights

LED Indicators for Easy Status Monitoring: Multi-color LEDs provide visual cues for different alerts: green for normal operation, amber for operating error, and red for smoke, fire, or carbon monoxide events.
Interconnectable for Comprehensive Safety: Can be interconnected with up to 24 compatible Kidde devices, ensuring all alarms sound simultaneously during an emergency.
Hardwired with Battery Backup: Operates on 120V AC power with two AA batteries included for backup during power outages.
Dual Detection Technology: Combines a photoelectric smoke sensor and an electrochemical CO sensor to detect both smoldering fires and carbon monoxide leaks.
85-Decibel Alarm: Loud alarm alerts you to smoke, fire, or carbon monoxide, ensuring you and your family are promptly notified.
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9.9

Exceptional

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Value for Money

02
First Alert

First Alert SC9120BCA Hardwire Combination Carbon Monoxide and Smoke Alarm

9.5 Easy installation

9.1 Simple to use

8.7 worth the money
Main highlights

Loud 85db Siren
Combination smoke and CO alarm eliminates the need for 2 electrical boxes
Battery backup ensures alarms work even during power outages
Alarm is wired directly into your electrical system and includes a battery backup and mute button
5-year limited warranty
120-Volt hard-wired detector. Electrochemical, Ionization sensor type
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9.7

Exceptional

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03
First Alert

First Alert 9120BA Hardwired Smoke Alarm with 9V Backup Battery, Smoke Detector

9.7 Battery Duration

9.3 Easy installation

9.1 Simple to use
Main highlights

This alarm runs on 120-volt AC power and must be connected directly to your home’s electrical system.
Comes with a 9V battery that provides power in case of an electrical outage. It is not a battery-only alarm.
Can be linked with up to 12 other First Alert or BRK hardwired smoke alarms for whole-home safety.
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9.6

Exceptional

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04
First Alert

First Alert PR700A Slim Series Battery Powered Photoelectric Smoke Alarm

9.7 Simple to use

9.5 Easy installation

9.1 worth the money
Main highlights

Tamper resistant-locks alarm to mounting bracket to prevent removal of battery and/or alarm
Photoelectric smoke sensing technology
Perfect for apartment, dormitory or hotel applications
Low profile design - sleek, contemporary design blends into any decor
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9.5

Excellent

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05
First Alert

First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year Battery

9.7 Battery Duration

9.3 Easy installation

9.1 Simple to use
Main highlights

Smart Technology - helps reduce the number of nuisance alarms
Perfect Mount - allows for easy alignment of alarm
Locked Battery Drawer
Latching alarm indicator - remembers which unit initiated an alarm
10 Year Lithium Battery Backup
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9.4

Excellent

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06
First Alert

First Alert Smoke and CO Alarm, SC7010BA, White

16% Off

9.1 Easy installation

9.1 Simple to use

8.4 worth the money
Main highlights

Keep your family safe with this talking hardwired smoke and carbon monoxide alarm
Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarm
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety
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9.3

Excellent

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07
First Alert

First Alert 9120A Hardwire Smoke Alarm
Main highlights

Note: Writings on the product may vary
Ionization smoke Sensor reliably detects particles from fast-flaming fires. 120-Volt hardwired smoke alarm Wires directly into your home's electrical system
Gasket-less mount system for hassle-free installation
Can integrate with up to 12 other First Alert or brk hardwired smoke detectors
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9.2

Excellent

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08
EUREKA SHIELD

10-Year Battery Smoke Detector for Home | 85dB Fire Alarm, Military-Grade Photoelectric Sensor Reduces 70% False Alarms | Passed CE/ULC Tests | Easy Install (Adhesive/Screws) (1)
Main highlights

Attention: Wrong products from wrong store cannot help you warn of fires and will bring you huge property losses and disasters. Non-compliant self-delivery stores not only lack after-sales service and insurance, but also they will leak your personal information - you can check the store's information. For your safety, please choose stores that comply with Amazon's delivery requirements: Eureka Industries.
【85dB Alarm with Real-Time Status LED】85dB pulsating alarm penetrates to wake deep sleepers within 10ft (3m). In normal mode, Red LED indicator flashes every 60s. In test, alarm, and silence modes, it flashes continuously. In case of a false alarm, a one-click mute function can silence it for 10 minutes, combining safety and convenience—a must-have smoke detector for home.
【Quick Installation & Hassle-Free Care】Simple, rounded and sleek industrial design. Fits well in any home environment. Two installation options (self-adhesive backing or screws) enable 5-minute setup. Suitable for all ceiling materials. Just test it weekly and clean it quarterly, making maintenance easy.
【Military-Grade Photoelectric Sensor】EN14604-certified photoelectric smoke alarm detects smoldering fires 15 minutes faster than traditional ionization sensors. Triple air-sampling tech reduces cooking/steam false alarms by 70%. Covers up to 430 sq.ft (40m²), with adaptive logic for kitchens/bathrooms, provides you with first safety alert.
【Certified Safety for Global Homes】Passed EN14604 and CAN/ULC-S531 tests for fire alarms, suitable for home, apartment, hotel and shops. Built with heat-resistant ABS housing, it delivers lab-tested protection trusted worldwide.
【10-Year Battery & Smart Power Management】 Equipped with a replaceable CR123A lithium battery delivering 10-year battery life, saving over US$40. Features low-power alerts (with beeps and flashes for every 60s), and a microchip with <0.5 mW ultra-low consumption. Sleep mode ensures 24/7 protection without energy drain—ideal for smoke alarms for home safety.
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9.0

Excellent

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09
First Alert

First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6

9.9 Sheerness

9.7 Simple to use

9.5 Easy installation
Main highlights

Provides 2-in-1 protection from two deadly threats
Photoelectric smoke sensing technology
Low profile design
Easy intstallation
Battery operated
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8.9

Very Good

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10
First Alert

First Alert FG250BA Battery Smoke Alarm
Main highlights

Tamper resistant locking pin - locks alarm Cover to prevent removal of battery. Perfect for apartment, dormitory or hotel applications
Silence feature - silences nuisance alarms
Dual ionization - dual ionization sensing chamber. Generally more Effective at detecting small particles produced by Flaming fires. Sources may include paper or kitchen grease
9V battery included approved for RV use
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8.8

Very Good

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