Shop Smoke and Carbon Monoxide Detectors Combo

Sponsored
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy
7
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy
7
$64.18
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
Amazon.com
191
Free shipping
$64.18
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
Amazon.com
191
$64.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators
Amazon.com
179
Free shipping
More than 1K people from Bing viewed this product in the last 90 days
$64.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators
Amazon.com
179
$21.38
Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To I4618)
Electric Bargain Store
8
More than 770 people from Bing viewed this product in the last 90 days
$21.38
Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To I4618)
Electric Bargain Store
8
$20.99
Kidde 21007582 Firex i5000 AC/DC Ionization Smoke Alarm
IndustrialSafety.com
10-day returns (most items)
$20.99
Kidde 21007582 Firex i5000 AC/DC Ionization Smoke Alarm
IndustrialSafety.com
10-day returns
$42.94
Kidde Carbon Monoxide Detector, Plug In Wall With 9-Volt Battery Backup, Digital LED Display
Amazon.com
7
Free shipping
More than 680 people from Bing viewed this product in the last 90 days
$42.94
Kidde Carbon Monoxide Detector, Plug In Wall With 9-Volt Battery Backup, Digital LED Display
Amazon.com
7
$44.99
Simplisafe - Smoke Detector - White
Best Buy
21
$44.99
Simplisafe - Smoke Detector - White
Best Buy
21
$72.58
Kidde KN-COPE-I (21007624) (KN-COPE-IC) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Photoelectric Sensor (Upgraded
Electric Bargain Store
1
$72.58
Kidde KN-COPE-I (21007624) (KN-COPE-IC) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Photoelectric Sensor (Upgraded
Electric Bargain Store
1
$72.58
Kidde KN-COSM-IB (21006377N) (KN-COSM-IBA) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Ionization Sensor (Upgraded
Electric Bargain Store
1
$72.58
Kidde KN-COSM-IB (21006377N) (KN-COSM-IBA) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Ionization Sensor (Upgraded
Electric Bargain Store
1
$32.99
Kidde 9000136 Sealed Lithium Battery Power Smoke Alarm i9010
IndustrialSafety.com
10-day returns (most items)
$32.99
Kidde 9000136 Sealed Lithium Battery Power Smoke Alarm i9010
IndustrialSafety.com
10-day returns
$29.62
Kidde Smoke Detector Firex Hard-Wired W/Battery Back-Up Ionization 21007581
DkHardware.com
7
$29.62
Kidde Smoke Detector Firex Hard-Wired W/Battery Back-Up Ionization 21007581
DkHardware.com
7
$99.00
Travel CO Detector Portable
Forensics Detectors
$99.00
Travel CO Detector Portable
Forensics Detectors
$80.95
$89.99
MTI Industries Safe-T-Alert 35 Series Flush Mount Dual LP & Carbon Monoxide Alarm, White | Camping World
Camping World
1
10% off
$80.95
$89.99
MTI Industries Safe-T-Alert 35 Series Flush Mount Dual LP & Carbon Monoxide Alarm, White | Camping World
Camping World
1
$156.44
Firex Smoke And Carbon Monoxide Detector, Hardwired With AA-Battery Backup And Voice Alert, (3-Pack)
Home Depot
Free shipping
$156.44
Firex Smoke And Carbon Monoxide Detector, Hardwired With AA-Battery Backup And Voice Alert, (3-Pack)
Home Depot
Free shipping
$57.79
Kidde 10073 - Carbon Monoxide Alarm With Sealed Lithium Battery (21010073 C3010)
LightBulbs.com
43
$57.79
Kidde 10073 - Carbon Monoxide Alarm With Sealed Lithium Battery (21010073 C3010)
LightBulbs.com
43
$29.64
Kidde Hardwire Smoke Detector With 9V Battery Backup And Front Load Battery Door White 21007582
DkHardware.com
$29.64
Kidde Hardwire Smoke Detector With 9V Battery Backup And Front Load Battery Door White 21007582
DkHardware.com
$74.99
$89.99
MTI Industries 35 Series Dual LP & Carbon Monoxide Alarm, Black | Camping World
Camping World
1
16% off
$74.99
$89.99
MTI Industries 35 Series Dual LP & Carbon Monoxide Alarm, Black | Camping World
Camping World
1
$69.23
$84.99
RV Safe Carbon Monoxide And Propane Gas 2-Wire Alarm, Black | Camping World
Camping World
6
18% off
$69.23
$84.99
RV Safe Carbon Monoxide And Propane Gas 2-Wire Alarm, Black | Camping World
Camping World
6
$97.00
Kidde AC/DC Hardwire Ionization Smoke Alarm W/ Front- Loading Battery Door
DNT Enterprises
378
$97.00
Kidde AC/DC Hardwire Ionization Smoke Alarm W/ Front- Loading Battery Door
DNT Enterprises
378
$40.99
$49.99
First Alert - Smoke And Carbon Monoxide Alarm - Works With Ring - White
Best Buy
579
18% off
$40.99
$49.99
First Alert - Smoke And Carbon Monoxide Alarm - Works With Ring - White
Best Buy
579
$43.64
BRK 1046890, Smoke And Carbon Monoxide Alarm, Detects Fast Flaming Fires And/Or CO Hazard, Ionization And Electrochemical Sensors, Battery Operated,
1000Bulbs.com
30-day returns (most items)
$43.64
BRK 1046890, Smoke And Carbon Monoxide Alarm, Detects Fast Flaming Fires And/Or CO Hazard, Ionization And Electrochemical Sensors, Battery Operated,
1000Bulbs.com
30-day returns
$39.66
3 Pack Combination Smoke Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm For Home, Kitchen
Temu US
11
$39.66
3 Pack Combination Smoke Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm For Home, Kitchen
Temu US
11
$229.98
$395.00
MSA Altair Carbon Monoxide Single Gas Detector (CO)
Industrial Safety Products
41% off
$229.98
$395.00
MSA Altair Carbon Monoxide Single Gas Detector (CO)
Industrial Safety Products
$150.26
Kidde Smoke/Carbon Monoxide Combination Alarm AA Battery Powered Voice Alerts 21032777
DkHardware.com
129
$150.26
Kidde Smoke/Carbon Monoxide Combination Alarm AA Battery Powered Voice Alerts 21032777
DkHardware.com
129
$99.00
Fast Low Level CO Monitor (White)
Forensics Detectors
$99.00
Fast Low Level CO Monitor (White)
Forensics Detectors
$95.90
10-Year Worry Free Sealed Battery Smoke And Carbon Monoxide Combination Detector With Voice Alarm (2-Pack)
Home Depot
737
Free shipping
$95.90
10-Year Worry Free Sealed Battery Smoke And Carbon Monoxide Combination Detector With Voice Alarm (2-Pack)
Home Depot
737
$50.95
Kidde Kn-Cope-D Battery Operated Combination Carbon Monoxide & Photoelectric Smoke Alarm
Lite Store USA
$50.95
Kidde Kn-Cope-D Battery Operated Combination Carbon Monoxide & Photoelectric Smoke Alarm
Lite Store USA
$192.92
Kidde Fire Safety Smoke And Carbon Monoxide Alarm 85 Db Decibel Rating, Aa Battery Not Included, Indicating Light 21007450 - 61972857
Penn Tool Co
Battery · Cost-Effective · Easy to install · Kidde · Smoke Detector
$192.92
Kidde Fire Safety Smoke And Carbon Monoxide Alarm 85 Db Decibel Rating, Aa Battery Not Included, Indicating Light 21007450 - 61972857
Penn Tool Co
Battery · Cost-Effective · Easy to install · Kidde · Smoke Detector
$129.00
Low Level CO Monitor | Wifi Remote Detection
Forensics Detectors
$129.00
Low Level CO Monitor | Wifi Remote Detection
Forensics Detectors
$34.95
Carbon Monoxide Detector CO Alarm Smoke Safety Combo
Vernier
$34.95
Carbon Monoxide Detector CO Alarm Smoke Safety Combo
Vernier
$49.95
Kidde 900-Cudr Battery Powered Smoke & Carbon Monoxide Detector
Lite Store USA
$49.95
Kidde 900-Cudr Battery Powered Smoke & Carbon Monoxide Detector
Lite Store USA
$122.26
$149.25
Nest Protect Smoke Alarm Smoke Detector And Carbon Monoxide Detector Battery Operated , White
AliExpress
Free shipping
18% off
$122.26
$149.25
Nest Protect Smoke Alarm Smoke Detector And Carbon Monoxide Detector Battery Operated , White
AliExpress
Free shipping
$61.51
Kidde KN-COPE-D DC Photoelectric Smoke/Carbon Monoxide Alarm Voice Warning (21027445)
Lighting Supply
22
60-day returns (most items)
$61.51
Kidde KN-COPE-D DC Photoelectric Smoke/Carbon Monoxide Alarm Voice Warning (21027445)
Lighting Supply
22
$99.94
(2 Pack) Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
Walmart
In store
Free shipping
Curbside
$99.94
(2 Pack) Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
Walmart
Free shipping
$53.95
Kidde Kn-Cosm-Xrt-Ba Intelligent Alarm Battery Operated Combination Smoke & Carbon Monoxide Alarm
Lite Store USA
$53.95
Kidde Kn-Cosm-Xrt-Ba Intelligent Alarm Battery Operated Combination Smoke & Carbon Monoxide Alarm
Lite Store USA
$26.99
VEVOR Carbon Monoxide Detectors 0-1000PPM Co Detector With Audible & Visual Alarm Portable Co Gas Meter Tester With Temperature Sensor Lcd Backlit
VEVOR
5% Off*
$26.99
VEVOR Carbon Monoxide Detectors 0-1000PPM Co Detector With Audible & Visual Alarm Portable Co Gas Meter Tester With Temperature Sensor Lcd Backlit
VEVOR
5% Off*
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    Shop Smoke and Carbon Monoxide Detectors Combo

    Sponsored
    $69.99
    Simplisafe - Smoke & Carbon Monoxide Detector - White
    Best Buy
    7
    $69.99
    Simplisafe - Smoke & Carbon Monoxide Detector - White
    Best Buy
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    $64.18
    Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
    Amazon.com
    191
    Free shipping
    $64.18
    Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
    Amazon.com
    191
    $64.97
    Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators
    Amazon.com
    179
    Free shipping
    More than 1K people from Bing viewed this product in the last 90 days
    $64.97
    Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators
    Amazon.com
    179
    $21.38
    Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To I4618)
    Electric Bargain Store
    8
    More than 770 people from Bing viewed this product in the last 90 days
    $21.38
    Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To I4618)
    Electric Bargain Store
    8
    $20.99
    Kidde 21007582 Firex i5000 AC/DC Ionization Smoke Alarm
    IndustrialSafety.com
    10-day returns (most items)
    $20.99
    Kidde 21007582 Firex i5000 AC/DC Ionization Smoke Alarm
    IndustrialSafety.com
    10-day returns
    $42.94
    Kidde Carbon Monoxide Detector, Plug In Wall With 9-Volt Battery Backup, Digital LED Display
    Amazon.com
    7
    Free shipping
    More than 680 people from Bing viewed this product in the last 90 days
    $42.94
    Kidde Carbon Monoxide Detector, Plug In Wall With 9-Volt Battery Backup, Digital LED Display
    Amazon.com
    7
    $44.99
    Simplisafe - Smoke Detector - White
    Best Buy
    21
    $44.99
    Simplisafe - Smoke Detector - White
    Best Buy
    21
    $72.58
    Kidde KN-COPE-I (21007624) (KN-COPE-IC) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Photoelectric Sensor (Upgraded
    Electric Bargain Store
    1
    $72.58
    Kidde KN-COPE-I (21007624) (KN-COPE-IC) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Photoelectric Sensor (Upgraded
    Electric Bargain Store
    1
    $72.58
    Kidde KN-COSM-IB (21006377N) (KN-COSM-IBA) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Ionization Sensor (Upgraded
    Electric Bargain Store
    1
    $72.58
    Kidde KN-COSM-IB (21006377N) (KN-COSM-IBA) AC Wire-In With Battery Back-Up Combination Carbon Monoxide & Smoke Alarm With Ionization Sensor (Upgraded
    Electric Bargain Store
    1
    $32.99
    Kidde 9000136 Sealed Lithium Battery Power Smoke Alarm i9010
    IndustrialSafety.com
    10-day returns (most items)
    $32.99
    Kidde 9000136 Sealed Lithium Battery Power Smoke Alarm i9010
    IndustrialSafety.com
    10-day returns
    $29.62
    Kidde Smoke Detector Firex Hard-Wired W/Battery Back-Up Ionization 21007581
    DkHardware.com
    7
    $29.62
    Kidde Smoke Detector Firex Hard-Wired W/Battery Back-Up Ionization 21007581
    DkHardware.com
    7
    $99.00
    Travel CO Detector Portable
    Forensics Detectors
    $99.00
    Travel CO Detector Portable
    Forensics Detectors
    $80.95
    $89.99
    MTI Industries Safe-T-Alert 35 Series Flush Mount Dual LP & Carbon Monoxide Alarm, White | Camping World
    Camping World
    1
    10% off
    $80.95
    $89.99
    MTI Industries Safe-T-Alert 35 Series Flush Mount Dual LP & Carbon Monoxide Alarm, White | Camping World
    Camping World
    1
    $156.44
    Firex Smoke And Carbon Monoxide Detector, Hardwired With AA-Battery Backup And Voice Alert, (3-Pack)
    Home Depot
    Free shipping
    $156.44
    Firex Smoke And Carbon Monoxide Detector, Hardwired With AA-Battery Backup And Voice Alert, (3-Pack)
    Home Depot
    Free shipping
    $57.79
    Kidde 10073 - Carbon Monoxide Alarm With Sealed Lithium Battery (21010073 C3010)
    LightBulbs.com
    43
    $57.79
    Kidde 10073 - Carbon Monoxide Alarm With Sealed Lithium Battery (21010073 C3010)
    LightBulbs.com
    43
    $29.64
    Kidde Hardwire Smoke Detector With 9V Battery Backup And Front Load Battery Door White 21007582
    DkHardware.com
    $29.64
    Kidde Hardwire Smoke Detector With 9V Battery Backup And Front Load Battery Door White 21007582
    DkHardware.com
    $74.99
    $89.99
    MTI Industries 35 Series Dual LP & Carbon Monoxide Alarm, Black | Camping World
    Camping World
    1
    16% off
    $74.99
    $89.99
    MTI Industries 35 Series Dual LP & Carbon Monoxide Alarm, Black | Camping World
    Camping World
    1
    $69.23
    $84.99
    RV Safe Carbon Monoxide And Propane Gas 2-Wire Alarm, Black | Camping World
    Camping World
    6
    18% off
    $69.23
    $84.99
    RV Safe Carbon Monoxide And Propane Gas 2-Wire Alarm, Black | Camping World
    Camping World
    6

    • The Winner is Clear | 10 Best Smoke Detectors (2025)

      Top 10 Smoke Detectors
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      10-year warranty · Combo smoke & CO alarm · Battery or hard-wired

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