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5 Best Smoke Detectors Fire Alarms of 2026

Last Updated - 2026/08/08

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert

CA$169.99

More Details
Main highlights
- Voice alerts with Heads-Up warning tells you the type and location of danger in your home
- Sends alerts to your phone if smoke and CO are detected through the First Alert app
- Interconnect so when one alarm sounds, all compatible alarms in the home sound
- Battery backup provides continuous protection during power outages
CA$169.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert

First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert

CA$169.99

More Details
Main highlights
- Voice alerts with Heads-Up warning tells you the type and location of danger in your home
- Sends alerts to your phone if smoke and CO are detected through the First Alert app
- Notifies when the batteries are low, eliminating late night chirps
- Interconnect so when one alarm sounds, all compatible alarms in the home sound
CA$169.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert

First Alert Smoke and CO Alarm, SC7010BA, White

First Alert

CA$64.97

More Details
Main highlights
- Keep your family safe with this 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
CA$64.97
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kidde

Kidde 21032309 Smoke & Carbon Monoxide Voice Alarm, Battery Powered

Kidde

CA$62.05

More Details
Main highlights
- Style: Modern
- Power source type: Battery Powered
- Alarm: Audible
CA$62.05
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kidde

Smoke + Carbon Monoxide Combo Alarm - 120 Volt with 10-Year Lithium Battery Backup

Kidde

CA$99.99

More Details
Main highlights
- Worry-Free 10-Year Backup Battery – No battery changes for 10 years. Avoids inconvenient battery replacements over the life of the device. End-of-life Notifications – No low battery chirps! This alarm beeps to remind you it’s time to replace it 10 years after it is powered.
- Voice Alerts – Crystal-clear voice alerts in English and French tell you exactly why your alarm is sounding so you can react quickly.
- Self-testing Alarms** – For added assurance, internal components ensure alarm is always operating as expected. Simple Installation – Easy install with included twist-and-click mounting bracket.
- Interconnected Alarms – When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.
- Double the Detection – Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
CA$99.99

5 Best Smoke Detectors Fire Alarms of 2026

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert Smoke and CO Alarm, SC7010BA, White

Kidde 21032309 Smoke & Carbon Monoxide Voice Alarm, Battery Powered

Smoke + Carbon Monoxide Combo Alarm - 120 Volt with 10-Year Lithium Battery Backup

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