Top 10 Smoke and Carbon Monoxide Detector Hardwired in 2022

Did you know that a single burning cigarette can cause a fire in the house? Well, this is possible especially if your house is large such that you cannot smell burning smoke from other rooms. To avoid such hazards, consider getting a smoke and carbon monoxide detector.

The detector works by alerting you immediately there is hazards smell of smoke or gas in the house The detectors vary in features and compatibility whereby some work with batteries while others are supposed to be hardwired for better functioning. The following reviews feature top ten best smoke and carbon monoxide detectors to buy in 2022.

10. First Alert PRC710 Combination Carbon Monoxide Smoke Detector.

The detector is equipped with high quality and a powerful battery that will last for ten years. It has double protection photoelectric feature which secures the device from the smoke and from the carbon monoxide.

Power SourceBattery Powered
Item Dimensions LxWxH4.92 x 4.92 x 0.96 inches
AlarmAudible, Visual
Sensor TypePhotoelectric, Electrochemical

The photoelectric also minimizes false alarms from the detector. Other useful features are the electrochemical sensor that alerts the user when there is carbon monoxide being emitted from different sources. The device is also made in a sleek and beautiful design which makes it sit well with other accessories in the house. It is easy to install and can be placed on any wall in the house.


  • Equipped with a powerful battery.
  • It is made in a sleek look.
  • Can be used on any wall in the house.


  • Does not come with a silent mode.

9. First Alert 2-In-1 Wave Smoke Detector.

The device is compatible with other devices via WIFI and thus you can connect it to a Smartphone for convenient notifications. The detector is made with both electrochemical and photoelectric smoke sensors which immediately alarm you if there are carbon monoxide or smoke being emitted.

First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm, 2nd Generation
  • This device is certified to work with Ring; Requires Ring Alarm to Work with Ring. Enjoy improved compatibility, easier setup and a seamless in-app experience
  • Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected.
  • Certified to work with smart home systems such as Ring Alarm, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub (sold separately; Not compatible with Wink or Onelink)
  • Help keep your family safe with this battery-powered smoke detector and carbon monoxide alarm; includes 2 AA batteries
  • The Z-Wave Plus with Smart Start feature allows a faster and more intuitive connection of device to hub and on-boarding via QR code scan located on device
Power SourceBattery Powered
Item Dimensions LxWxH3.66 x 6.75 x 8.5 inches
Sensor TypeElectrochemical, Photoelectric

It is equipped with a durable and powerful battery which empowers the detector to work for long. The detector has a single button for easy control and to test the units as well. The photoelectric also helps in notifying you if the device detects false smokes which are not harmful. The detector is backed by a seven-year warranty.


  • It is compatible with other smart devices.
  • It comes with a long-lasting battery.
  • Notifies false smoke.


  • It is not compatible with other reliable apps like Fire-x.

8. First Alert SC9120BFF BRK SC-9120B Detector.

The device is manufactured with a battery backup which ensures that it continues to work even when there is a power outage. This also ensures there is constant monitoring of the house, It has an LED indicator which light when there is smoke or carbon monoxide detected in the house.

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White
  • Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
  • Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy
StyleHardwired Alarm
Power SourceBattery Powered,Hardwired

For simple and easy operation by all, the device is equipped with one button which tests the units and silent it as well. It has side load battery compartment which makes it easy to load the batter while the device is still on the wall. This model of smoke detector is compatible with other detectors like BRK or the First Alert CO smoke.


  • It is equipped with an LED indicator.
  • It comes with a powerful backup battery.
  • Has a silent mode to minimize noises in the house.


  • Does not come with a sound alarm which some people find helpful.

7. Kidde KN COSM XTR BA Nighthawk Battery Operated Smoke Detector.

This is another reliable detector which features a voice notification. This feature alerts you via sound once the detector finds any harmful smoke in the building. It can be installed in a single unit if you want to minimize the installation time, and for easy monitoring of the device too.

Kidde Intelligent Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm with Voice Alert
  • Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Ionization & Electrochemical sensor technologies - smoke detector detects invisible fire particles, while the CO alarm detects poisonous carbon monoxide gas; 85 decibel alarm alerts of fire
  • Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
  • Test-Hush Feature - silences the unit for approximately 9 minutes
  • UL Certified, 10-year limited warranty
Power SourceBattery Powered

It is ideal for detecting both carbon monoxide and smoke alarms as well. The device has an LED indicator which flashes red when the battery is running out of charge. The battery is quite powerful since it continuously empowers the detector even when there is a power outage in the house.


  • It has a voice detector.
  • One unit can function perfectly in the house.
  • The mounting process is quite easy and fast
  • Has an LED indicator.


  • It is only suitable for testing ionization.

6. First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Detector.

The carbon monoxide and smoke detector are quite easy to operate by all since it features a single button for these services. It is compatible with wireless devices like smartphones which make it easy to operate it.

First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
  • Battery operated smoke and carbon monoxide alarm can be installed easily
  • Wireless interconnect uses radio frequency communication to connect the alarms, without any electrical wiring needed.
  • Connects multiple alarms together for wireless safety network (not z-wave compatible)
  • When your alarms are interconnected, they communicate with each other, forming an integrated system of protection for your home
  • When one alarm sounds, all alarms will sound
Power SourceBattery Powered

It has a sound alert which notifies you if there is harmful smoke in the house. The detector has both photoelectrical and carbon electrical detector, plus the battery is durable such that even when there is no power, it continuously runs the device. The voice record also notifies the user where exactly the smoke or gas is at.


  • It is quite easy to operate.
  • It can be used with other smart devices.
  • It comes with a voice notification.


  • It cannot be used in some areas such as the garage.

5. First Alert BRK SC7010BV Voice Smoke and Carbon Monoxide Detector.

This is another detector that makes your monitoring experience to be easy since it can be connected to other devices like a Smartphone. This means that you can also set it in a sound mode whereby the detector immediately produces sounds when it detects the smoke in the room.

FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide (CO) Detector
  • Keep your family safe with this talking hardwired smoke and carbon monoxide alarm; It's equipped with voice and location, so you are alerted of the danger and where it originates from across your house
  • Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home
  • 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
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • 10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety
StylePhotoelectric Technology with Voice
Power SourceBattery Powered

The voice record notifies both the source and the location where the smoke is coming from. The battery has a DC mark which shows that it is powerful, and ensures the device with without electric power. Other accessories that are packed with the detector include a double A battery and a dust cover for protecting the device from dust and other debris.


  • It is easy to monitor the device.
  • Comes with a voice recorder.
  • It comes with batteries for backup.


  • The unit does not have ionization detection.

4. Nest Protect Smoke and Carbon Monoxide Detector.

You can mount this detector from any wall on the house since the mounting process is easy and it is packed with all required tools. It is quite reliable and powerful since it immediately detects any smoke or carbon monoxide from fire or gas leakage.

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES
  • Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home
  • Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is
  • Get phone alerts so you know something's wrong even when you're away from home[1]
  • CO detector looks out for carbon monoxide and tells you where it's located
  • With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke
Power SourceBattery Powered

The nest device is set in a way that it easily communicates with other devices to make the monitoring process to be easy and efficient. It is easy to read the nest smoke and carbon monoxide detector since it immediately communicates to you in the form of sound once the smoke or fire is detected in the house. If you don’t want high sounds from the device, you can still set it in a silent mode.


  • The device takes seconds to mount on the wall.
  • It is easy to read and test.
  • It also has a sound detection.


  • Does not detect ionization.

3. Kidde KN-COSM-BA Battery Operated Smoke and Carbon Monoxide detector.

The detector is powered by BA battery and it has a sound alarm that beeps immediately it detects any harmful smoke and carbon monoxide in the house. The battery is made with a protective guard which prevents the device from getting mounted without first installing the battery.

Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Battery Operated | Model # KN-COSM-BA | 6 Pack
  • Voice Alarm – Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces “Fire!” when a smoke or fire hazard is detected and announces “Warning Carbon Monoxide” when a CO hazard is detected.
  • Combined Carbon Monoxide and Smoke Alarm – A single unit can be installed where previously, two were needed. Reduces installa-tion time and helps to keep home décor attractive
  • Test/Reset Button – Tests alarm circuitry and triggers the voice announcement.
  • Low Battery Warning – The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED.
  • Temperature Range:40˚F (4.4˚C) to 100˚F (37.8˚C)
Power SourceBattery Powered

The device has single button operating which is essential for measuring the units and monitoring the hazards detected. The device is packed in two pieces although one unit is enough to monitor the house. It is easy to fix the detector on the wall since it comes with a user manual for instructions, plus the device has been tested for quality and safety measures.


  • It is easy to operate the device with a single battery.
  • Mounting of the detector takes less than ten minutes.
  • It works very fast in detecting the smoke other harmful gases.


  • It does not self-test thus you have to do it manually.

2. First Alert CO615 Dual- Power Carbon Monoxide Plug-In-Alarm.

This is one of the most reliable detectors when it comes to security since it is equipped with dual batteries for efficient working. This ensures that the alarm continues to work even when there is a power outage.

It is packed with a power cord which makes the mounting process to be easy and you can mount it on any wall as well. The carbon detector has a silent mode setting which allows you to set it in a silent mode to avoid distracting people in the house. The peak level feature displays a high concentration of carbon which is measured in units. For quality assurance, the First Alert CO615 Dual power alarm is packed with a seven-year warranty.


  • Works even when there is no power outage.
  • Comes with power cord for easy mounting.
  • It is easy to operate.


  • Does not respond in case it is exposed to 30 ppm reading for more than two weeks.

1. First Alert PRC700 Smoke and Carbon Monoxide Alarm.

The carbon monoxide alarm is designed in a sleek design that makes it blend well with your home. It is quite powerful as it is powered by a battery unit. Other features included on the alarm detector are the photoelectric smoke sensor and an electrochemical carbon monoxide sensor.

The device has a twist mounting system that allows one to have a smooth time when mounting, and this makes it easy to unmount it from the wall in case you want to change the battery. It is equipped with one versatile button which allows you to either silence or tests the alarm units.


  • It is easy to mount.
  • Changing the battery can be done while the device is mounted.
  • Easy to operate.


  • It cannot be hardwired


One way to protect your home from fire outbreaks and any hazards that may be brought by gases and fire is through the use of a detector. The above reviewed are top ten most reliable detectors on the market today.

The smoke and the carbon monoxide detectors can be easily mounted on the wall and are easy to monitor as well. If you want a detector that you can operate from anywhere, consider getting the one compatible with a smart device since they portray the information regarding the kind of hazard detected on the phone.

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