Best Fire Alarm Smoke Detectors Updated February 2026
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Best Fire Alarm Smoke Detectors
2026 Buyer's GuideUpdated February 2026
Advertiser disclosure About our rankings
Sort by:
Best Overall
Best Value
1

10.0

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%
500+ bought in past month
Best Overall
Best Value

10.0

1
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
500+ bought in past month
Save 21%
Best Overall
Best Value

10.0

1
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
500+ bought in past month
Save 21%
2

9.8

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

9.8

2
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

9.8

2
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
Premium Pick
3

9.6

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

9.6

3
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

9.6

3
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
4

9.5

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

9.5

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

9.5

4
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
5

9.4

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

9.4

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

9.4

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
Popular
6

9.2

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%
Popular

9.2

6
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%
Popular

9.2

6
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
Save 15%
7

9.1

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

9.1

7
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

9.1

7
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
8

9.0

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Ease of installation
Quality
Safety
Read Full Review
Save 15%

9.0

8
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Ease of installation
Quality
Safety
Save 15%
Read Full Review

9.0

8
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Available in:  4 sizes ,  2 options
Read Full Review
Ease of installation
Quality
Safety
Save 15%
9

8.9

Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Ease of installation
Smoke detector quality
Value for money
Save 16%

8.9

9
Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Ease of installation
Smoke detector quality
Value for money
Save 16%

8.9

9
Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Available in:  2 styles ,  3 sizes ,  4 options
Ease of installation
Smoke detector quality
Value for money
Save 16%
10

8.0

First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,Wh...
Ease of installation
Quality
Value for money

8.0

10
First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,Wh...
Ease of installation
Quality
Value for money

8.0

10
First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,Wh...
Available in:  2 styles ,  2 sizes ,  2 options
Ease of installation
Quality
Value for money

Our Top Choice

Best Overall
Best Value
1

10.0

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%
500+ bought in past month
Best Overall
Best Value

10.0

1
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
500+ bought in past month
Save 21%
Best Overall
Best Value

10.0

1
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
500+ bought in past month
Save 21%
Related Categories
Fire Smoke DetectorSmoke AlarmResidential Smoke DetectorBattery Powered Smoke AlarmSmoke Alarm for RVSmoke Detector (All)
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Related Categories
Fire Smoke DetectorSmoke AlarmResidential Smoke DetectorBattery Powered Smoke AlarmSmoke Alarm for RVSmoke Detector (All)
Related Categories
Fire Smoke DetectorSmoke AlarmResidential Smoke DetectorBattery Powered Smoke AlarmSmoke Alarm for RVSmoke Detector (All)