Best Smoke Alarms Updated February 2026
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Best Smoke Alarms
2026 Buyer's GuideUpdated February 2026
Advertiser disclosure About our rankings
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Best Smoke Alarm
Popular
1

10.0

First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
Save 15%
10K+ bought in past month
Best Smoke Alarm
Popular

10.0

1
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
10K+ bought in past month
Save 15%
Best Smoke Alarm
Popular

10.0

1
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
10K+ bought in past month
Save 15%
Premium Pick
2

9.9

6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Butt...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
Premium Pick

9.9

2
6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Butt...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
Premium Pick

9.9

2
6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Butt...
Available in:  3 sizes
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
3

9.8

First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Smoke detector quality
Ease of installation
Value for money

9.8

3
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Smoke detector quality
Ease of installation
Value for money

9.8

3
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
4

9.6

4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Sc...
Smoke detector quality
Ease of installation
Value for money
Size
Save 24%

9.6

4
4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Sc...
Smoke detector quality
Ease of installation
Value for money
Size
Save 24%

9.6

4
4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Sc...
Available in:  2 colors
Smoke detector quality
Ease of installation
Value for money
Size
Save 24%
5

9.5

2-Pack, Smoke Alarm and Carbon Monoxide Detector, Carbon Monoxide and Smoke Detectors with LCD Display, Battery Powered, Easy t...
Ease of installation
Functionality
Smoke detector quality
Security
Value for money
Sound quality

9.5

5
2-Pack, Smoke Alarm and Carbon Monoxide Detector, Carbon Monoxide and Smoke Detectors with LCD Display, Battery Powered, Easy t...
Ease of installation
Functionality
Smoke detector quality
Security
Value for money
Sound quality

9.5

5
2-Pack, Smoke Alarm and Carbon Monoxide Detector, Carbon Monoxide and Smoke Detectors with LCD Display, Battery Powered, Easy t...
Available in:  4 sizes ,  3 styles
Ease of installation
Functionality
Smoke detector quality
Security
Value for money
Sound quality
6

9.4

First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

9.4

6
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

9.4

6
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
7

8.5

5 Packs,Smoke Detector Carbon Monoxide Detector Combo,2-in-1 Detection,85 dB Alarm,LED Indication,LCD Digital Displays,Battery ...
Smoke detector quality
Value for money
Ease of installation

8.5

7
5 Packs,Smoke Detector Carbon Monoxide Detector Combo,2-in-1 Detection,85 dB Alarm,LED Indication,LCD Digital Displays,Battery ...
Smoke detector quality
Value for money
Ease of installation

8.5

7
5 Packs,Smoke Detector Carbon Monoxide Detector Combo,2-in-1 Detection,85 dB Alarm,LED Indication,LCD Digital Displays,Battery ...
Available in:  4 sizes
Smoke detector quality
Value for money
Ease of installation
8

8.4

2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level

8.4

8
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level

8.4

8
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Available in:  3 sizes
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
9

8.2

6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light ...
Smoke detector quality
Value for money
Ease of installation

8.2

9
6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light ...
Smoke detector quality
Value for money
Ease of installation

8.2

9
6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light ...
Available in:  4 sizes
Smoke detector quality
Value for money
Ease of installation
Best Value
10

8.0

2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors, with Battery, Smoke Detector,85dB in Alarm,for Home and Kitchen,LCD Screen,E...
Smoke detector quality
Ease of installation
Value for money
Size
Save 21%
Best Value

8.0

10
2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors, with Battery, Smoke Detector,85dB in Alarm,for Home and Kitchen,LCD Screen,E...
Smoke detector quality
Ease of installation
Value for money
Size
Save 21%
Best Value

8.0

10
2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors, with Battery, Smoke Detector,85dB in Alarm,for Home and Kitchen,LCD Screen,E...
Available in:  2 colors
Smoke detector quality
Ease of installation
Value for money
Size
Save 21%

Our Top Choice

Best Smoke Alarm
Popular
1

10.0

First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
Save 15%
10K+ bought in past month
Best Smoke Alarm
Popular

10.0

1
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
10K+ bought in past month
Save 15%
Best Smoke Alarm
Popular

10.0

1
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
10K+ bought in past month
Save 15%
Related Categories
Fire Alarm Smoke DetectorSmoke Detector (All)Residential Smoke DetectorFire Smoke DetectorSmoke Alarm and Carbon Monoxide DetectorSmoke and Carbon Monoxide Alarm
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Related Categories
Fire Alarm Smoke DetectorSmoke Detector (All)Residential Smoke DetectorFire Smoke DetectorSmoke Alarm and Carbon Monoxide DetectorSmoke and Carbon Monoxide Alarm
Related Categories
Fire Alarm Smoke DetectorSmoke Detector (All)Residential Smoke DetectorFire Smoke DetectorSmoke Alarm and Carbon Monoxide DetectorSmoke and Carbon Monoxide Alarm