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5 Best Garrison Smoke Detectors of 2026

Last Updated - 2026/05/22

1
Best Choice

✖
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 Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Kidde

CA$119.00

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Main highlights
- UL Certified, 10-year limited warranty
- Smoke alarm still works during a power failure – unit operates on a 120V power source with 9V battery backup (battery included)
- One button design allows you to test the smoke detector or temporarily silence a nuisance alarm with the Hush feature
- Interconnectable with other hardwired alarms, providing whole-home alarm activation – when one detects smoke, they all sound, alerting everyone in the house
- Easy installation – smoke detector includes a quick connect power harness
CA$119.00
2

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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.

Kidde

Kidde DETECT - 120V Photoelectric Smoke + Carbon Monoxide Alarm w/AA Backup Battery (30CUAR-VCA) - Batteries Included

Kidde

CA$89.99

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Main highlights
- Interconnected Alarms:▲ When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.
- Hardwired Alarm with 2 AA Replaceable Batteries: Provides power even during short-term power outages for extra peace of mind. Change replaceable batteries every 6 months, or when you hear the low battery chirp.
- Double the Detection: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
CA$89.99
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.

Kidde

Kidde 21032309 Smoke & Carbon Monoxide Voice Alarm, Battery Powered

Kidde

CA$55.00

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Main highlights
- Style: Modern
- Power source type: Battery Powered
- Alarm: Audible
CA$55.00
4

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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.

GLBSUNION

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

GLBSUNION

CA$39.99

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Main highlights
- ✅Test this alarm First, HOW TO TEST IT(3 steps): 1. Install the batteries in clean air, then press the test button for five seconds to test the unit electronics, beeps will sound if it's normal; 2. Leave it in clean air for one minute; 3. put it into a sealed bag, spray some smoke or CO gas into the bag and seal it. Waiting for about one minute, the Alarm will go off if it's normal. NOTE: DO NOT test it by directly burning something under this alarm, which is an invalid test.
- ✅Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure. Features an electrochemical sensing technology and a photoelectric sensor that detects the larger particles of a smoldering fire. Please thoroughly read PRODUCT DESCRIPTION and the user manual before using.
- ✅Indicator lights on the face of the unit display the presence of smoke and carbon monoxide, while an 85dB beeps siren provides a clear, loud warning upon detection. If the unit sounds all the time or it is of malfunction, please reinstall the battery to repeat the operation OR Please put it into clear air until it's normal. If CO ALARM BEEPS：Only when detected clear air can it silence the CO alarm(if the room still exists high level of CO, the alarm will keep alarming until the air was cleaned)
- ✅Dimensions: 4 * 4 * 1.5 inch. Simple to use, NOTE: When installation please follow the circular arrow direction that Marked on the product for rotating the Mounting base/Bracket: PRESS DOWN AND TWIST; 【Do not install it in or near kitchens/garages/furnace room/bathrooms】. A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours. if there is any problems, please feel free to contact us, we are always here to help you.
- ✅ 2 * AA Battery-operated unit installs quickly and easily without an electrician, Can connect to other compatible detectors, To ensure all alarms will sound when threat is detected(Battery not included)
CA$39.99
5
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.

First Alert

First Alert Smoke and CO Alarm, SC7010BA, White

First Alert

CA$55.99

CA$60.62
(8% Off)

More Details
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
CA$55.99
CA$60.62 (8% Off)

5 Best Garrison Smoke Detectors of 2026

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Kidde DETECT - 120V Photoelectric Smoke + Carbon Monoxide Alarm w/AA Backup Battery (30CUAR-VCA) - Batteries Included

Kidde 21032309 Smoke & Carbon Monoxide Voice Alarm, Battery Powered

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

First Alert Smoke and CO Alarm, SC7010BA, White

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