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

9.8

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
Premium Pick

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
Premium Pick

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 ...
Available in:  4 sizes
Smoke detector quality
Value for money
Ease of installation
3

9.5

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%

9.5

3
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%

9.5

3
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%
4

9.4

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%

9.4

4
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%

9.4

4
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack
Available in:  2 styles ,  4 sizes ,  3 options
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%
5

9.3

10-Year Battery Smoke and Carbon Monoxide Detector 2-in-1 with Digital Display, 85dB Visual & Audible Alarm, Easy Setup for Liv...
Ease of installation
Safety
Smoke detection
Noise level
Functionality
Value for money
Save 5%

9.3

5
10-Year Battery Smoke and Carbon Monoxide Detector 2-in-1 with Digital Display, 85dB Visual & Audible Alarm, Easy Setup for Liv...
Ease of installation
Safety
Smoke detection
Noise level
Functionality
Value for money
Save 5%

9.3

5
10-Year Battery Smoke and Carbon Monoxide Detector 2-in-1 with Digital Display, 85dB Visual & Audible Alarm, Easy Setup for Liv...
Available in:  2 styles
Ease of installation
Safety
Smoke detection
Noise level
Functionality
Value for money
Save 5%
6

9.1

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

9.1

6
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Smoke detector quality
Ease of installation
Value for money

9.1

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

9.0

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 34%

9.0

7
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 34%

9.0

7
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
Available in:  4 sizes ,  2 styles ,  3 options
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 34%
8

8.9

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

8.9

8
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

8.9

8
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
9

8.7

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

8.7

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

8.7

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

8.5

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

8.5

10
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

8.5

10
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

Our Top Choice

Best Overall
Best Value
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 Overall
Best Value
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 Overall
Best Value
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 DetectorFire Smoke DetectorSmoke AlarmSmoke Detector (All)First Alert Smoke AlarmCarbon and Smoke Detector
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Related Categories
Fire Alarm Smoke DetectorFire Smoke DetectorSmoke AlarmSmoke Detector (All)First Alert Smoke AlarmCarbon and Smoke Detector
Related Categories
Fire Alarm Smoke DetectorFire Smoke DetectorSmoke AlarmSmoke Detector (All)First Alert Smoke AlarmCarbon and Smoke Detector