20 Best Wirecutter Smoke Alarm in 2022 Reviews and Buying Guide

2,816 Reviews Scanned

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1 Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability No ratings yet
2 Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert No ratings yet
3 Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated ,... Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated... No ratings yet
4 Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,... Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,... No ratings yet
5 First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack
6 Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design No ratings yet
7 First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White No ratings yet
8 Kidde Smoke Detector with Long Life Lithium Battery, LED Lights & Replacement Alert Kidde Smoke Detector with Long Life Lithium Battery, LED Lights & Replacement Alert No ratings yet
9 Kidde Smoke Detector, Hardwired Smoke Alarm with Lithium Battery Backup, Interconnect, Test-Silence... Kidde Smoke Detector, Hardwired Smoke Alarm with Lithium Battery Backup, Interconnect,... No ratings yet
10 First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White No ratings yet
11 First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1... First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated,... No ratings yet
12 Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup, CO Alarm with Replacement Alert Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup, CO Alarm with Replacement Alert No ratings yet
13 Kidde Smoke Detector, Battery Powered with Test Button Kidde Smoke Detector, Battery Powered with Test Button No ratings yet
14 Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with... Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with... No ratings yet
15 First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white No ratings yet
16 Kidde Smoke Detector, Long-Life Lithium Battery Powered, Smoke Alarm with Voice Alert Kidde Smoke Detector, Long-Life Lithium Battery Powered, Smoke Alarm with Voice Alert No ratings yet
17 First Alert FG200B Family Gard Basics Smoke Alarm 6-Pack | Battery Operated Smoke Detector , White First Alert FG200B Family Gard Basics Smoke Alarm 6-Pack | Battery Operated Smoke Detector , White
18 Kidde Smoke Detector, Long-Life Lithium Battery Powered Smoke Alarm with Hush Button Kidde Smoke Detector, Long-Life Lithium Battery Powered Smoke Alarm with Hush Button No ratings yet
19 Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with... Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with... No ratings yet
20 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to... 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to... No ratings yet

Bestseller No. 1
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect Capability
  • Ionization sensing technology — detects invisible fire particles associated with flaming fires quickly and sounds an 85dB alarm
  • Hardwired smoke detector with battery backup — provides reliable detection, even during a power outage
  • Large base makes mounting easy, while a front battery pull tab lets you activate the smoke alarm without removing it from the mounting bracket
  • Whole-home interconnection — maximum of 24 Kidde devices of this type can be interconnected; when one alarm sounds, they all do
  • Hush button — quickly and easily silence false or “nuisance” alarms from things like routine cooking or shower steam
SaleBestseller No. 2
Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
  • Fire and CO detector in 1 unit with alert modes, LED lights, and voice alarm, that states, "Fire. Fire.", "Warning. Carbon Monoxide.", or "Low...
  • Ionization sensor technology - smoke detector detects invisible fire particles, 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 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty
SaleBestseller No. 3
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated ,...
  • 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
SaleBestseller No. 4
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door,...
  • Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
  • Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included
  • Easy to install & front-load battery door makes for quick battery replacements
  • Test-Hush Button - it’s simple to test or hush false alarms by pressing the button right on the face of the device
  • UL Certified, 10-year limited warranty
SaleBestseller No. 5
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack
  • Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure
  • Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected
  • Simple to use, with a single test/silence button, and side load battery compartment tamper resistant locking brackets and universal mounting brackets...
Bestseller No. 6
Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design
  • At only 4-inches in diameter, this is one of the smallest smoke detectors you can install in your home, RV, and mobile home
  • Operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages
  • Installation is easy, no wiring required. The alarm can be installed on the surface of any wall or ceiling
  • Uses ionization sensing technology to detect smoke from flaming fires and emits a loud 85 decibel alarm when fire particles are detected
  • UL Certified, 3-year limited warranty
SaleBestseller No. 7
First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White
  • Complies with all current 10-year legislation in U.S. states/cities where required
  • Alarm features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires
  • Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install
  • Alarm also features loud 85-decibel alarm, easy mounting bracket, a single test/silence button, and an end-of-life signal so you know when to replace...
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom. Same features as SA340CN and SA340B but adds...
SaleBestseller No. 8
Kidde Smoke Detector with Long Life Lithium Battery, LED Lights & Replacement Alert
  • High-quality & cost-effective smoke detector - advanced detection from a trusted leader in fire safety for over 100 years
  • No battery fuss - Sealed-in lithium battery never needs replacing over the ten-year life of the smoke alarm
  • Easy installation - smoke detector will automatically activate when attached to the mounting bracket
  • Test-silence button - allows for testing & silencing false alarms from routine cooking and shower steam
  • Ionization sensing technology - battery-operated smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
Bestseller No. 9
Kidde Smoke Detector, Hardwired Smoke Alarm with Lithium Battery Backup, Interconnect, Test-Silence...
  • Ionization sensing technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Protects during a power failure - smoke alarm operates on a 120V power source with 3V lithium battery backup
  • Whole home family protection - place 1 fire detector on each level of your home & in your bedroom - maximum of 24 Kidde smoke or CO detectors can be...
  • Test-Hush Feature - silences the unit for approximately 9 minutes. Alarm Memory Indicator
  • UL Certified, 10-year limited warranty
Bestseller No. 10
First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
  • Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds...
  • Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires
  • Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install
  • Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
SaleBestseller No. 11
First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1...
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels,...
  • Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering...
  • 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...
  • Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for up to 8 hours
  • Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling
SaleBestseller No. 12
Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup, CO Alarm with Replacement Alert
  • CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home
  • 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
  • Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help...
  • UL Certified, 10-year limited warranty
Bestseller No. 13
Kidde Smoke Detector, Battery Powered with Test Button
  • Reliable and cost-effective smoke detector from a trusted leader in fire safety for more than 100 years
  • Still works during a power failure - smoke alarm operates on one 9-volt battery (included) in the back of the unit
  • Easy to install - included mounting bracket makes it quick to setup
  • Ionization sensing technology - battery-powered smoke detector senses invisible fire particles and sounds an 85 decibel alarm
  • Test/Hush Feature - silences the unit for approximately 7 minutes
Bestseller No. 14
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with...
  • Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
  • Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
  • Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
  • Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty
SaleBestseller No. 15
First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white
  • Integrated smoke alarm & strobe Light saves time & Money. Requires only one junction box
  • Ac powered with 10-year sealed battery backup
  • Smart strobe - Separate flash patterns to distinguish between smoke and carbon monoxide
  • Powerful 177 candela Synchronized LED Strobe Light provides visual warning for hearing impaired residents
  • Strobe signal Synchronization - When multiple units are installed, strobes flash in unison
SaleBestseller No. 16
Kidde Smoke Detector, Long-Life Lithium Battery Powered, Smoke Alarm with Voice Alert
  • Voice alerts announce “Fire! Fire!” or “Low Battery!”
  • Long-life battery - lasts for approximately a decade, so you don’t have to change out batteries for the entire life of the device
  • Easy to install - smoke alarm automatically activates when attached to the mounting bracket
  • Photoelectric sensor technology - smoke detector quickly senses visible fire particles associated with smoldering fires
  • Loud 85-decibel alarm - sounds when fire or smoke is detected
SaleBestseller No. 17
First Alert FG200B Family Gard Basics Smoke Alarm 6-Pack | Battery Operated Smoke Detector , White
  • IONIZATION SMOKE SENSOR | This smoke alarm is quick to detect fast-moving fires and flammable particles that easily spread; crucial for apartments,...
  • RELIABLE 85-DECIBEL SIREN | Effectively warns occupants of threat through sound; provides protection even when electricity fails or during power...
  • LOW BATTERY INDICATOR & TEST BUTTON | Beeping signal warns when battery needs replacing; test button ensures alarm is functioning correctly
  • HINGED COVER DESIGN | Allows for fast, easy installation and battery replacement; doesn't require professional installation or servicing
  • TAMPER-RESISTANT LOCKING PIN | Locks alarm cover to prevent removal of battery
SaleBestseller No. 18
Kidde Smoke Detector, Long-Life Lithium Battery Powered Smoke Alarm with Hush Button
  • Photoelectric smoke detector - quickly senses visible fire particles associated with smoldering fires
  • Still works during power failures - smoke alarm operates on a long-life lithium battery, no battery changes are required over the lifetime of the...
  • Easy to install - activates automatically when the smoke detector is attached to the mounting bracket
  • Test & Hush button - quickly silence false alarms or perform regular tests
  • Loud 85-decibel alarm - sounds when fire or smoke is detected
SaleBestseller No. 19
Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with...
  • Smoke detector carbon monoxide detector combo – sounds loud 85 decibel alarm with voice alerts that announce "Fire. Fire." or "Warning. Carbon...
  • Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup
  • Easy installation – battery door is on the front for quick replacement
  • Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings
  • UL Certified, 10-year limited warranty
SaleBestseller No. 20
4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to...
  • 【100% 10 Years Warranty】 : If there are any problems with our products ,you can contact us ,we must reply you within 24hours as soon as...
  • 【Photoelectric Technology&Material】: Fire-Retardant ABS V0 Level. 9V Battery-Powered Photoelectric sensor Smoke Alarm. photoelectric technology...
  • 【Easy Installation】: Can be installed in several minutes. Coming with screws and bracket. Safety clip feature,not allow mounting of smoke alarm...
  • 【Sound & LED Warning】: When the fire alarm detects smoke or detect combustion particles in the air it will sound their alarms(Alarm volume: >...
  • 【Suitable for Multiple Places】: This smoke detector does not contain any radioactive material. It should be installed in every room (except the...
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