10 bestCo Smoke Detector Comboof June 2026
112M consumers helped this year.
1

First Alert SC9120BA Hardwire Smoke & Carbon Monoxide Alarm
First Alert

9.8
2

First Alert PRC700VA-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector with Voice Location
First Alert

9.6
29% off
3

Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034
GLBSUNION

9.3
4

First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6
First Alert

9.1
5

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, 1-Pack
First Alert

8.8
OtherUp to 6% off
35% off
6

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

8.5
5% off
7

First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm, 1-Pack
First Alert

8.2
8

First Alert Smoke and CO Alarm, SC7010BA, White
First Alert

7.9
9

Kidde 21032309 Smoke & Carbon Monoxide Voice Alarm, Battery Powered
Kidde

7.6
10

2 Packs 5-in-1 Carbon Monoxide & Smoke Natural Gas Detector | Plug-in Wall Unit with Battery Backup | Monitors CO, Smoke, Temp/Humidity for Home, RV, Apartment & Travel Safety (2)
ByAnciel

7.4
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