10 Best CO Smoke Detector Combos
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
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First Alert ZCOMBO 2-in-1 Smoke Detector & Carbon Monoxide Alarm, Z-Wave Combo

First Alert ZCOMBO 2-in-1 Smoke Detector & Carbon Monoxide Alarm

Z-Wave Combo

by First Alert
What We like

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

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Product Features

  • Electrochemical carbon monoxide sensor offers advanced detection technology
  • Certified to work with smart home systems such as ring alarm security system, Samsung Smart things, and Nexia Home Intelligence when connected to a Z wave gateway hub (sold separately; Consult hub manufacturer to ensure compatibility with this first alert device); Not compatible with wink or Onelink
  • Unit uses wireless Z wave technology to send mobile alerts if the alarm goes off, so you are aware whether you're at home or away
  • Includes an 85 decibel horn, single test/silence button, side access to a tamper resistant battery door, and pins that lock the alarm to the mounting bracket
  • Help keep your family safe with this battery powered smoke and carbon monoxide detector alarm

Unit uses wireless z wave technology to send mobile alerts if the alarm goes off, so you are aware whether you're at home or away Includes an 85 decibel horn, single test/silence button, side access to a tamper resistant battery door, and pins that lock the alarm to the mounting bracket 2 aa batteries (included) Certified to work with smart home systems such as ring alarm security system, samsung smart things, and nexia home intelligence when connected to a z wave gateway hub (sold separately; consult hub manufacturer to ensure compatibility with this First Alert device); not compatible with wink or onelink Help keep your family safe with this battery powered smoke and carbon monoxide detector alarm Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam Electrochemical carbon monoxide sensor offers advanced detection technology

2
9.8
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Smoke and Carbon Monoxide Detector - Battery Operated Smoke CO Alarm Detector Combo

ALERT PRO Smoke and Carbon Monoxide Detector

Battery Operated Smoke CO Alarm Detector Combo

by ALERT PRO
What We like

When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.

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Product Features

  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive
  • 5 Year Waranty
  • This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage
  • Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit

5 year waranty Smoke detector and carbon monoxide detector alarm combo unit This smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage Dual high stability sensors- minimize carbon monoxide and smoke detector alarm false positive

3
9.1
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Smoke and Carbon Monoxide Detector Combo, with Sound Warning and Number Display Battery Powered

ARIKON Smoke and Carbon Monoxide Detector Combo

with Sound Warning and Number Display Battery Powered

by ARIKON
What We like

The Battery - powered Smoke CO Detector Can be installed Quickly and Easily. You Can Hear the low power alarm When the Power is Close to Run out, and wont Miss the Chance to Change the New Battery.

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Product Features

  • Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases.
  • ared Photoelectric Sensor Detects Smoke, Smoke Detector While Minimizing false alarms.
  • Suitable for all the Place Possible to Produce Carbon Monoxide , Such as your Home Kitchen, Bedroom, Bathroom, Hotel. Also Useful When you are Enjoying the Barbecue, Using Charcoal Warm yourself, or Putting it in your Parking Garage, etc.
  • Carbon Monoxide Detector alarm Using High accurate Electrochemical Sensor, alerts you to Carbon Monoxide Danger. insurance Safety of your life.

Combination smoke detector and carbon monoxide detector can detect the threat of these two gases. Ared photoelectric sensor detects smoke, smoke detector while minimizing false alarms. Suitable for all the place possible to produce carbon monoxide , such as your home kitchen, bedroom, bathroom, hotel. also useful when you are enjoying the barbecue, using charcoal warm yourself, or putting it in your parking garage, etc. Carbon monoxide detector alarm using high accurate electrochemical sensor, alerts you to carbon monoxide danger. insurance safety of your life.

4
9
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Smoke and Carbon Monoxide Detector - with LCD Display, Battery Operated Smoke CO Alarm Detector Combo Unit

ALERT PRO Smoke and Carbon Monoxide Detector

with LCD Display, Battery Operated Smoke CO Alarm Detector Combo Unit

by ALERT PRO
What We like

Unit Comes With with Batteries

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Product Features

  • Smoke Alarm and Carbon Monoxide Detector with LCD Display Combo Unit
  • Photoelectric Sensor Detects Smoke, While Minimizing false alarms.

Smoke alarm and carbon monoxide detector with lcd display combo unit Photoelectric sensor detects smoke, while minimizing false alarms.

5
8.9
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Smoke Detector and Carbon Monoxide Detector 10 Year Battery Operated (Not Hardwired), Photoelectric CO Smoke Detector Combo Alarm for Travel Home Bedroom Kitchen, UL 217 & UL 2034 Standards - 2 Pack

MOSUO Smoke Detector and Carbon Monoxide Detector 10 Year Battery Operated (Not Hardwired), Photoelectric CO Smoke Detector Combo Alarm for Travel Home Bedroom Kitchen, UL 217 & UL 2034 Standards

2 Pack

by ANKA SCI TECH CO.,Ltd
What We like

Combination Smoke & Carbon Monoxide Detector- Features an electrochemical CO sensing technology and photoelectric smoke alarm sensor that detects the larger particles of a smoldering fires. Instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms. It's provides the ultimate protection from two deadly threats and make your home decoration look more concise.

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Product Features

  • Test/Silence Button- Test/Silence button enables you to test the alarm weekly, and easily to silence the alarm when false alarms occur; Alarm Volume: Loud > 85dB(A). Loud 85-decibel alarm is designed to be heard easily.
  • Built-In 10-Year Battery- MOSUO carbon monoxide detector and smoke alarm provides 10 years of continuous power with a built-in lithium battery that less the trouble of changing batteries frequently, It's an Energy-saving and environmentally friendly design; End of life signal: 2 chirps with 1 yellow LED flash, 60 seconds pause. Please deactivate and replace the detector.
  • Easy Install & High Quality- CO and smoke detector combo can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, No hardwired need. Certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product.

Easy install & high quality- co and smoke detector combo can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, no hardwired need. certified to meet the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product. Built-in 10-year battery- mosuo carbon monoxide detector and smoke alarm provides 10 years of continuous power with a built-in lithium battery that less the trouble of changing batteries frequently, it's an energy-saving and environmentally friendly design; end of life signal: 2 chirps with 1 yellow led flash, 60 seconds pause. please deactivate and replace the detector. Test/silence button- test/silence button enables you to test the alarm weekly, and easily to silence the alarm when false alarms occur; alarm volume: loud > 85db(a). loud 85-decibel alarm is designed to be heard easily.

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8.8
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3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

vitowell 3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated

Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

by vitowell
What We like

Battery-operated unit installs quickly and easily without an electricianA single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours

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Product Features

  • Combo smoke detector/carbon monoxide alarm detects two threats
  • Photoelectric sensor detects smoke while minimizing false alarms
  • Electrochemical CO sensor alerts you to carbon monoxide danger

Combo smoke detector/carbon monoxide alarm detects two threats Electrochemical co sensor alerts you to carbon monoxide danger Photoelectric sensor detects smoke while minimizing false alarms

7
8.7
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X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm with Auto-Check, SC06

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired)

10-Year Battery-Operated Dual Sensor Fire & CO Alarm with Auto-Check, SC06

by X-Sense
What We like

Simple Installation & Operation: This battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease

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Product Features

  • Faster Response to Dangers with Loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms
  • Combination Smoke and Carbon Monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source
  • 10-Year Battery-Operated Smoke and CO Detector: A sealed lithium battery enables the unit tokeep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life

Faster response to dangers with loud 85 db alarm: upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms Combination smoke and carbon monoxide alarm: one alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source 10-year battery-operated smoke and co detector: a sealed lithium battery enables the unit tokeep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life

8
7.9
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3 Pack Combination Smoke and Carbon Monoxide Detector 10 Year Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

Elvicto 3 Pack Combination Smoke and Carbon Monoxide Detector 10 Year Battery Operated

Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen

by Elvicto
What We like

Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore, very

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Product Features

  • Combo Smoke and Co Detecor: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
  • 10 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when its time to replace the unit for safety
  • A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise
  • Test/Slience Button: Tests the unit for proper operation and resets the carbon monoxide alarm,Alarm

Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm,alarm 10 year battery operated: this combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and co levels, even if there's a power failure; an end-of-life signal will let you know when its time to replace the unit for safety A loud 85-decibel alarm sounds when carbon monoxide, and smoke levels begin to rise Combo smoke and co detecor: features electrochemical carbon monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms

9
7.9
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Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack GLBSUNION Beeps Warning Smoke and CO Alarms for Basements Travel Home Office Kitchen Bedroom Car, Battery Operated, Comply with UL 217/2034

GLBSUNION Combination Smoke and Carbon Monoxide Detector Alarm

2-Pack GLBSUNION Beeps Warning Smoke and CO Alarms for Basements Travel Home Office Kitchen Bedroom Car, Battery Operated, Comply with UL 217/2034

by GLBSUNION
What We like

Simple to Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep

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Product Features

  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included))

2-in-1 accurate, reliable & highly sensitive alarm: equipped with both photoelectric smoke sensor and electrochemical co sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or co concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85db siren provides a clear, loud warning upon detection Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of co and smoke levels, even if there's a power failure(operated by 2 x 1.5v aa batteries (not included))

10
7.9
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3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Digital Display, Protect Your Home from Fire and Gas Leaks, Battery Operated

Lecoolife 3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Digital Display

Protect Your Home from Fire and Gas Leaks, Battery Operated

by Lecoolife
What We like

ENERGY SAVING --- Operated by 9V Batteries, You can hear the alarm when the power is lowdon't worry about when to replace the battery

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Product Features

  • Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases
  • APPLICATION CO DETECTOR PLACE---This carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage
  • SOUND AND LIGHT ALARM --- When a dangerous level of carbon monoxide is detected the red light will flashes and a loud alarm pattern will sound--Loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from CO detector

Sound and light alarm --- when a dangerous level of carbon monoxide is detected the red light will flashes and a loud alarm pattern will sound--loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from co detector Combination smoke detector and carbon monoxide detector can detect the threat of these two gases Application co detector place---this carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage

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