Best Smoke Detectors Updated February 2026
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Best Smoke Detectors
2026 Buyer's GuideUpdated February 2026
Advertiser disclosure About our rankings
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Best Smoke Detector
1

10.0

First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
4K+ bought in past month
Best Smoke Detector

10.0

1
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
4K+ bought in past month
Compare
2

9.8

4 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, K...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 19%
Compare

9.8

2
4 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, K...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 19%
Compare
Best Value
3

9.5

2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors, with Battery, Smoke Detector,85dB in Alarm,for Home and Kitchen,LCD Screen,E...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 21%
Compare
Best Value

9.5

3
2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors, with Battery, Smoke Detector,85dB in Alarm,for Home and Kitchen,LCD Screen,E...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 21%
Compare
Popular
4

9.3

First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 15%
Compare
Popular

9.3

4
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 15%
Compare
Premium Pick
5

9.1

6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light ...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
Premium Pick

9.1

5
6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light ...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
6

9.0

3 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Portable Smoke Detector Carbon Monoxide Detector Combo with Large...
Detects: Smoke & carbon monoxide
Alarm: 85 dB & LED flash
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 20%
Compare

9.0

6
3 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Portable Smoke Detector Carbon Monoxide Detector Combo with Large...
Detects: Smoke & carbon monoxide
Alarm: 85 dB & LED flash
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Save 20%
Compare
7

8.8

6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Butt...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare

8.8

7
6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Butt...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
8

8.6

First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare

8.6

8
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
9

8.5

4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Sc...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: Not indicated
Wi-Fi Enabled: Not indicated
Power Source: Battery
Save 24%
Compare

8.5

9
4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Sc...
Detects: Smoke & carbon monoxide
Alarm: 85 dB
Interconnects: Not indicated
Wi-Fi Enabled: Not indicated
Power Source: Battery
Save 24%
Compare
10

8.3

First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: Yes
Wi-Fi Enabled: No
Power Source: Hardwired with battery backup
Save 30%
Compare

8.3

10
First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: Yes
Wi-Fi Enabled: No
Power Source: Hardwired with battery backup
Save 30%
Compare

Our Top Choice

Best Smoke Detector
1

10.0

First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
Compare
4K+ bought in past month
Best Smoke Detector

10.0

1
First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
Detects: Smoke
Alarm: 85 dB
Interconnects: No
Wi-Fi Enabled: No
Power Source: Battery
4K+ bought in past month
Compare

Compare Features

Interconnects
Best Smoke Detector
1. First Alert SMI100 Smoke Alarms
FIRST ALERT Preview FIRST ALERT Preview
FIRST ALERT
at Amazon
2. Lecoolife Smoke and CO Detectors (4 Pack)
LECOOLIFE Preview LECOOLIFE Preview
LECOOLIFE
at Amazon
Best Value
3. OLUNCLE CO & Smoke Alarm
OLUNCLE Preview OLUNCLE Preview
OLUNCLE
at Amazon
Popular
4. First Alert Battery Smoke Alarm
FIRST ALERT Preview FIRST ALERT Preview
FIRST ALERT
at Amazon
Premium Pick
5. ARIKON Smoke & Carbon Monoxide Detector
ARIKON Preview ARIKON Preview
ARIKON
at Amazon
6. OLUNCLE Smoke and Carbon Monoxide Detector
OLUNCLE Preview OLUNCLE Preview
OLUNCLE
at Amazon
7. OLUNCLE Smoke & Carbon Monoxide Detectors
OLUNCLE Preview OLUNCLE Preview
OLUNCLE
at Amazon
8. First Alert SMI100 Smoke Alarm
FIRST ALERT Preview FIRST ALERT Preview
FIRST ALERT
at Amazon
9. Oluncle 4-Pack Smoke and Carbon Monoxide Detector
OLUNCLE Preview OLUNCLE Preview
OLUNCLE
at Amazon
10. First Alert Interconnected Smoke Alarms
FIRST ALERT Preview FIRST ALERT Preview
FIRST ALERT
at Amazon
Deal
— Save 19% Save 21% Save 15% — Save 20% — — Save 24% Save 30%
Deal — Save 19% Save 21% Save 15% — Save 20% — — Save 24% Save 30%
Detects
Smoke Smoke & carbon monoxide Smoke & carbon monoxide Smoke Smoke & carbon monoxide Smoke & carbon monoxide Smoke & carbon monoxide Smoke Smoke & carbon monoxide Smoke
Detects 		Smoke Smoke & carbon monoxide Smoke & carbon monoxide Smoke Smoke & carbon monoxide Smoke & carbon monoxide Smoke & carbon monoxide Smoke Smoke & carbon monoxide Smoke
Alarm
85 dB 85 dB 85 dB 85 dB 85 dB 85 dB & LED flash 85 dB 85 dB 85 dB 85 dB
Alarm 		85 dB 85 dB 85 dB 85 dB 85 dB 85 dB & LED flash 85 dB 85 dB 85 dB 85 dB
Interconnects
No No No No No No No No Not indicated Yes
Interconnects 		No No No No No No No No Not indicated Yes
Wi-Fi Enabled
No No No No No No No No Not indicated No
Wi-Fi Enabled 		No No No No No No No No Not indicated No
Power Source
Battery Battery Battery Battery Battery Battery Battery Battery Battery Hardwired with battery backup
Power Source 		Battery Battery Battery Battery Battery Battery Battery Battery Battery Hardwired with battery backup

Related Categories
Smoke AlarmResidential Smoke DetectorCarbon and Smoke DetectorFire Smoke DetectorFire Alarm Smoke DetectorBattery Powered Smoke Alarm
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Related Categories
Smoke AlarmResidential Smoke DetectorCarbon and Smoke DetectorFire Smoke DetectorFire Alarm Smoke DetectorBattery Powered Smoke Alarm
Related Categories
Smoke AlarmResidential Smoke DetectorCarbon and Smoke DetectorFire Smoke DetectorFire Alarm Smoke DetectorBattery Powered Smoke Alarm