Top 15 Best Ac Smoke Detectors 2022 (Reviews)

1. Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup

Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup

Kidde Smoke Detector, Hardwired Smoke Alarm with Battery BackupKidde Smoke Detector, Hardwired Smoke Alarm with Battery BackupKidde Smoke Detector, Hardwired Smoke Alarm with Battery BackupKidde Smoke Detector, Hardwired Smoke Alarm with Battery BackupKidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup
  • Test-Hush Button – it’s simple to test or hush false alarms by pressing the button right on the face of the device
  • Ionization sensing technology – hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
  • Easy to install & front-load battery door makes for quick battery replacements
  • UL Certified, 10-year limited warranty
  • Still works during power failures – smoke alarm with battery backup operates on a 120V power source with 9V battery included

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2. Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability

Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability

Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect CapabilityKidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect CapabilityKidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect CapabilityKidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect CapabilityKidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability
  • Hush button — quickly and easily silence false or “nuisance” alarms from things like routine cooking or shower steam
  • Whole-home interconnection — maximum of 24 Kidde devices of this type can be interconnected; when one alarm sounds, they all do
  • Hardwired smoke detector with battery backup — provides reliable detection, even during a power outage
  • Ionization sensing technology — detects invisible fire particles associated with flaming fires quickly and sounds an 85dB alarm
  • Large base makes mounting easy, while a front battery pull tab lets you activate the smoke alarm without removing it from the mounting bracket
  • UL Listed, 10-year limited warranty

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3. FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon MonoxideFIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon MonoxideFIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon MonoxideFIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon MonoxideFIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide
  • 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
  • Rigorously tested to meet UL standards
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • 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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4. Kidde Smoke & Carbon Monoxide Detector, Hardwired

Kidde Smoke & Carbon Monoxide Detector, Hardwired

  • Product 1: Test-Hush Feature – silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • Product 1: Protects during a power failure – combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
  • Product 1: Ionization sensing technology – hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
  • Product 1: Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, “Fire! Fire!”, “Warning! Carbon Monoxide!”, or “Low Battery!”
  • Product 2: Test/Hush Button – It’s simple to test or hush false alarms by pressing the button right on the face of the device
  • Product 2: Still works during power failures – smoke alarm with battery backup operates on a 120V power source with 9V battery included
  • Product 2: Ionization sensing technology – hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
  • Product 2: Front-load battery door – For quick battery replacements

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5. First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery BackupFirst Alert 9120B Smoke Detector, Hardwired Alarm with Battery BackupFirst Alert 9120B Smoke Detector, Hardwired Alarm with Battery BackupFirst Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup
  • Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
  • Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there’s a power failure
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 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
  • Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • Rigorously tested to meet UL standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage
  • 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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6. Kidde AC Hardwired Interconnect Smoke Alarm with Hush I12040

Kidde AC Hardwired Interconnect Smoke Alarm with Hush I12040
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7. X-Sense AC Hardwired Combination Smoke and Carbon Monoxide Detector

X-Sense AC Hardwired Combination Smoke and Carbon Monoxide Detector

X-Sense AC Hardwired Combination Smoke and Carbon Monoxide DetectorX-Sense AC Hardwired Combination Smoke and Carbon Monoxide DetectorX-Sense AC Hardwired Combination Smoke and Carbon Monoxide DetectorX-Sense AC Hardwired Combination Smoke and Carbon Monoxide DetectorX-Sense AC Hardwired Combination Smoke and Carbon Monoxide Detector
  • Detects Both Smoke and CO: The X-Sense detector features a photoelectric smoke sensor that detects smoke from slow-burning fires, as well as an electrochemical CO sensor that detects dangerous CO levels in the air
  • Reliable Safety Network for Complete Monitoring: Interconnect up to 18 X-Sense hardwired detectors to detect potential danger anywhere in your home, for complete monitoring and safety
  • 10-Year Product Life: This 120 V AC combination smoke and carbon monoxide detector features high-quality sensors and components which are built to last 10 years, protecting your home for a decade; it is hardwired into your home’s power with a 9 V battery backup
  • If One Alarm Goes Off, All of Them Will: When one alarm is triggered, all emit a loud 85 dB sound, to ensure that everyone in your house is alerted; the backup battery ensures that all units are always connected and continue to function normally, even in the event of a power failure
  • Single Button Control: Simply press the test/silence button on one of the units to test or silence the entire interlinked system, without the need to operate each unit individually; the large, user-friendly central button allows for easy control with a long stick, with no climbing ladder required

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8. Kidde AC Hardwired Interconnect Smoke Alarm with Safety Light I12080

Kidde AC Hardwired Interconnect Smoke Alarm with Safety Light I12080

Kidde AC Hardwired Interconnect Smoke Alarm with Safety Light I12080
  • Interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions
  • Ideal for hallways with emergency safety light to guide you to safety. Safety Light illuminates the path to safety
  • Easy installation – Front battery pull tab allows battery activation without removing alarm from mounting bracket. Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections. Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip
  • Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system
  • Fewer callbacks – 1 button design for easy operation and less confusion. Operates Hush and alarm test. Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp. Dust cover protects sensor from contaminates during construction reducing nuisance alarms

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9. X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup

X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup

X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery BackupX-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery BackupX-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery BackupX-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery BackupX-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup
  • 120 V AC Hardwired Smoke Detector with 9 V Battery Backup: This mains-powered smoke detector will continue to function in the event of a power outage due to its replaceable 9 V battery backup, for uninterrupted protection of your home
  • Accurate Detection with Photoelectric Smoke Sensor: The XP04-S hardwired photoelectric smoke detector is more responsive to smoldering fires and once detected, instantly alerts you in 2 seconds
  • Reliable Interconnected System: Connect up to 18 X-Sense hardwired detectors to create a comprehensive fire safety system and detect potential danger anywhere in your home
  • Large Test/Silence Button: Easily test or mute all the interconnected alarms by simply pressing a button using a long stick rather than a ladder, giving you a sense of comfort and safety in your home
  • Hardwired Interconnection for Full Coverage: When one alarm is triggered, all alarms will sound together at over 85 dB; you will hear an alarm anywhere in your home, even when you’re sound asleep

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10. Kidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector Alarm

Kidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector Alarm

Kidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector AlarmKidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector AlarmKidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector AlarmKidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector AlarmKidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector Alarm
  • Fire warning – The red LED will flash and be accompanied by three long alarm beeps followed by a verbal warning message “Fire Fire” The alarm will repeat pattern until unit is reset or smoke is eliminated.
  • Low battery warning – One chirp followed by warning “low battery”. The red LED light will flash. This pattern will continue every minute for the first hour. After the first hour the red LED light will flash once every minute accompanied by the chirp sound. The “low battery” warning will only sound once every fifteen minutes. Voice Hush Indication: “Hush activated” and “Hush cancelled” voice announcement
  • Provides protection from fire and carbon monoxide in one unit with Photoelectric sensor.
  • AC-Wire with battery backup, An included 9V battery protects during short-term power outages
  • Carbon monoxide warning – Four short alarm beeps followed by a verbal warning “Warning, Carbon monoxide” This continues until the unit is reset or the CO is eliminated.
  • Alarm memory – The green LED will blink once every 16 seconds to alert a user when the unit has alarmed for smoke or has detected a concentration of CO. If the alarm has detected a CO level of 100ppm or greater, when the test/reset button is pressed the unit will announce “CO previously detected”. If the alarm has detected abnormal levels of smoke since its last test, it will produce three rapid beeps.
  • Front-loading battery with unique battery door design
  • Tamper resistant
  • Voice warning with green and red LEDs
  • Photoelectric smoke sensor – May detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor.

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11. Kidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart Hush

Kidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart Hush

Kidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart HushKidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart HushKidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart HushKidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart HushKidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart Hush
  • Fewer callbacks – One button design for easy operation and less confusion. Operates Hush and alarm test. Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp. Dust cover protects sensor from contaminates during construction reducing nuisance alarms.
  • User-friendly features – Tamper resist locking feature deters alarm theft. Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system.
  • Interconnectable – Connect up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions.
  • Easy Installation – Front battery pull tab allows battery activation without removing alarm from mounting bracket. Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections. Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip.
  • Battery backup – 9v battery backup (included).
  • One touch test button tests unit’s electronic circuitry
  • Tamper resist locking pin helps deter alarm tampering and theft
  • Hush feature temporarily silences nuisance alarms
  • Battery backup 9V battery included
  • Kidde smoke alarms meet the UL requirements

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12. Google Nest Protect – Smoke Alarm – Smoke Detector and Carbon Monoxide Detector

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide DetectorGoogle Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide DetectorGoogle Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide DetectorGoogle Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide DetectorGoogle Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector
  • CO detector looks out for carbon monoxide and tells you where it’s located
  • A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way.
  • Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low.
  • With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done
  • Heads-Up. Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster.
  • 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
  • Tells you what and where. It speaks up to tell you if there’s smoke or CO and where the problem is, so you know what to do. Connectivity: Bluetooth 4.0 LE, Wi-Fi 4 (802.11n)
  • With App Silence you can silence the smoke alarm with your phone in the Nest app when there’s only a little smoke
  • Get phone alerts so you know something’s wrong even when you’re away from home[1]
  • App Silence. Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.
  • 10-year carbon monoxide sensor. Carbon monoxide is odorless, invisible and deadly. When there’s CO, Nest Protect tells you where it’s hiding.
  • Split-Spectrum Sensor. In an emergency, seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.
  • No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working
  • The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade

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13. Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup

Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup

Kidde Carbon Monoxide Detector, AC Plug-In with Battery BackupKidde Carbon Monoxide Detector, AC Plug-In with Battery BackupKidde Carbon Monoxide Detector, AC Plug-In with Battery BackupKidde Carbon Monoxide Detector, AC Plug-In with Battery BackupKidde Carbon Monoxide Detector, AC Plug-In with Battery Backup
  • Plug-in that still works during a power failure – 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage
  • Easy & quick installation – plugs into any standard AC wall outlet
  • CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home
  • Purchase multiple alarms for whole-home detection – place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas
  • UL Certified, 10-year limited warranty
  • Kidde is the #1 most installed fire safety brand in North America* – and a trusted leader in fire safety for more than 100 years

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14. Kidde Smoke & Carbon Monoxide Detector, Hardwired

Kidde Smoke & Carbon Monoxide Detector, Hardwired

Kidde Smoke & Carbon Monoxide Detector, HardwiredKidde Smoke & Carbon Monoxide Detector, HardwiredKidde Smoke & Carbon Monoxide Detector, HardwiredKidde Smoke & Carbon Monoxide Detector, HardwiredKidde Smoke & Carbon Monoxide Detector, Hardwired
  • Protects during a power failure – combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
  • Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, “Fire! Fire!”, “Warning! Carbon Monoxide!”, or “Low Battery!”
  • UL Certified, 10-year limited warranty
  • Meets safety standards set by Underwriters Laboratories (UL) and interconnects with other KN-COSM-IBA models
  • Test-Hush Feature – silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • 120V AC, All Kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA
  • Ionization sensing technology – hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

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15. First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide

First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide

First Alert BRK SC7010B Hardwired Smoke and Carbon MonoxideFirst Alert BRK SC7010B Hardwired Smoke and Carbon MonoxideFirst Alert BRK SC7010B Hardwired Smoke and Carbon MonoxideFirst Alert BRK SC7010B Hardwired Smoke and Carbon MonoxideFirst Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires
  • 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
  • In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues
  • 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
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • 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)
  • Rigorously tested to meet UL standards

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